{"id":5744,"date":"2025-12-24T03:43:01","date_gmt":"2025-12-24T03:43:01","guid":{"rendered":"https:\/\/korea-transmission.com\/?p=5744"},"modified":"2025-12-24T03:43:01","modified_gmt":"2025-12-24T03:43:01","slug":"hardness-conversion-chart-vickers-brinell-rockwell","status":"publish","type":"post","link":"https:\/\/korea-transmission.com\/vi\/blog\/hardness-conversion-chart-vickers-brinell-rockwell\/","title":{"rendered":"B\u1ea3ng quy \u0111\u1ed5i \u0111\u1ed9 c\u1ee9ng: Vickers, Brinell, Rockwell"},"content":{"rendered":"

Vickers Brinell Rockwell<\/h1>\n
\n

B\u1ea3ng quy \u0111\u1ed5i \u0111\u1ed9 c\u1ee9ng l\u00e0 c\u00f4ng c\u1ee5 thi\u1ebft y\u1ebfu trong k\u1ef9 thu\u1eadt v\u1eadt li\u1ec7u, cho ph\u00e9p c\u00e1c chuy\u00ean gia so s\u00e1nh c\u00e1c ph\u00e9p \u0111o t\u1eeb c\u00e1c ph\u01b0\u01a1ng ph\u00e1p th\u1eed nghi\u1ec7m kh\u00e1c nhau nh\u01b0 Vickers (HV), Brinell (HB), Rockwell (HR) v\u00e0 Shore (HS). C\u00e1c quy \u0111\u1ed5i n\u00e0y d\u1ef1a tr\u00ean c\u00e1c ti\u00eau chu\u1ea9n nh\u01b0 DIN 50150, cung c\u1ea5p c\u00e1c gi\u00e1 tr\u1ecb g\u1ea7n \u0111\u00fang \u0111\u00e1ng tin c\u1eady cho c\u00e1c kim lo\u1ea1i th\u00f4ng th\u01b0\u1eddng. Ch\u00fang h\u1ed7 tr\u1ee3 ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng, l\u1ef1a ch\u1ecdn v\u1eadt li\u1ec7u v\u00e0 tu\u00e2n th\u1ee7 th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt, \u0111\u1ea3m b\u1ea3o t\u00ednh nh\u1ea5t qu\u00e1n trong c\u00e1c quy tr\u00ecnh th\u1eed nghi\u1ec7m. L\u01b0u \u00fd r\u1eb1ng c\u00e1c quy \u0111\u1ed5i ch\u1ec9 l\u00e0 gi\u00e1 tr\u1ecb g\u1ea7n \u0111\u00fang v\u00e0 c\u1ea7n \u0111\u01b0\u1ee3c x\u00e1c minh b\u1eb1ng c\u00e1c th\u1eed nghi\u1ec7m th\u1ef1c t\u1ebf \u0111\u1ed1i v\u1edbi c\u00e1c \u1ee9ng d\u1ee5ng quan tr\u1ecdng, v\u00ec c\u00e1c y\u1ebfu t\u1ed1 nh\u01b0 th\u00e0nh ph\u1ea7n v\u1eadt li\u1ec7u v\u00e0 x\u1eed l\u00fd nhi\u1ec7t c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn \u0111\u1ed9 ch\u00ednh x\u00e1c.<\/p>\n

Hi\u1ec3u r\u00f5 c\u00e1c b\u1ea3ng n\u00e0y gi\u00fap k\u1ef9 s\u01b0 chuy\u1ec3n \u0111\u1ed5i gi\u00e1 tr\u1ecb \u0111\u1ed9 c\u1ee9ng cho m\u1ee5c \u0111\u00edch thi\u1ebft k\u1ebf, s\u1ea3n xu\u1ea5t v\u00e0 ki\u1ec3m tra. V\u00ed d\u1ee5, thang \u0111o Rockwell nhanh ch\u00f3ng cho d\u00e2y chuy\u1ec1n s\u1ea3n xu\u1ea5t, trong khi thang \u0111o Vickers ch\u00ednh x\u00e1c h\u01a1n cho c\u00e1c khu v\u1ef1c nh\u1ecf. Lu\u00f4n lu\u00f4n xem x\u00e9t t\u1ea3i tr\u1ecdng th\u1eed nghi\u1ec7m v\u00e0 lo\u1ea1i \u0111\u1ea7u \u0111o khi s\u1eed d\u1ee5ng c\u00e1c chuy\u1ec3n \u0111\u1ed5i.<\/p>\n<\/div>\n

B\u1ea3ng quy \u0111\u1ed5i \u0111\u1ed9 c\u1ee9ng cho c\u00e1c kim lo\u1ea1i th\u00f4ng th\u01b0\u1eddng<\/h2>\n
\n

B\u1ea3ng n\u00e0y bao g\u1ed3m c\u00e1c chuy\u1ec3n \u0111\u1ed5i cho c\u00e1c kim lo\u1ea1i th\u00f4ng d\u1ee5ng nh\u01b0 th\u00e9p cacbon v\u00e0 th\u00e9p h\u1ee3p kim, bao g\u1ed3m Rockwell (HRA, HRB, HRC, HRD), Rockwell b\u1ec1 m\u1eb7t (15N, 30N, 45N), Vickers (HV), Brinell (HB) v\u00e0 Shore (HS). B\u1ea3ng n\u00e0y \u0111\u01b0\u1ee3c x\u00e2y d\u1ef1ng d\u1ef1a tr\u00ean ti\u00eau chu\u1ea9n DIN 50150 cho c\u00e1c lo\u1ea1i th\u00e9p th\u00f4ng th\u01b0\u1eddng. H\u00e3y s\u1eed d\u1ee5ng b\u1ea3ng n\u00e0y \u0111\u1ec3 \u0111\u1ed1i chi\u1ebfu c\u00e1c gi\u00e1 tr\u1ecb khi chuy\u1ec3n \u0111\u1ed5i gi\u1eefa c\u00e1c ph\u01b0\u01a1ng ph\u00e1p th\u1eed nghi\u1ec7m, \u0111\u1ea3m b\u1ea3o c\u00e1c \u0111\u1eb7c t\u00ednh v\u1eadt li\u1ec7u \u0111\u00e1p \u1ee9ng c\u00e1c th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt. \u0110\u1ed1i v\u1edbi c\u00e1c chi ti\u1ebft m\u1ecfng ho\u1eb7c c\u00e1c b\u1ed9 ph\u1eadn \u0111\u01b0\u1ee3c x\u1eed l\u00fd b\u1ec1 m\u1eb7t, n\u00ean s\u1eed d\u1ee5ng ph\u01b0\u01a1ng ph\u00e1p Rockwell b\u1ec1 m\u1eb7t \u0111\u1ec3 tr\u00e1nh bi\u1ebfn d\u1ea1ng.<\/p>\n

    \n
  • Ch\u1ecdn t\u1ef7 l\u1ec7 ph\u00f9 h\u1ee3p d\u1ef1a tr\u00ean \u0111\u1ed9 d\u00e0y v\u00e0 \u0111\u1ed9 c\u1ee9ng c\u1ee7a v\u1eadt li\u1ec7u.<\/li>\n
  • Ki\u1ec3m tra \u0111\u1ed9 ch\u00ednh x\u00e1c trong thi\u1ebft k\u1ebf k\u1ef9 thu\u1eadt b\u1eb1ng c\u00e1c ph\u01b0\u01a1ng ph\u00e1p th\u1eed nghi\u1ec7m ti\u00eau chu\u1ea9n.<\/li>\n
  • H\u01b0\u1edbng d\u1eabn: \u0110\u1ed1i v\u1edbi th\u00e9p c\u00f3 \u0111\u1ed9 c\u1ee9ng tr\u00ean 500 HV, c\u1ea7n xem x\u00e9t kh\u1ea3 n\u0103ng gi\u00f2n trong c\u00e1c \u1ee9ng d\u1ee5ng.<\/li>\n<\/ul>\n
    \n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
    \u0110\u1ed9 c\u1ee9ng Rockwell<\/th>\n\u0110\u1ed9 c\u1ee9ng Rockwell b\u1ec1 m\u1eb7t<\/th>\nVickers<\/th>\nBrinell<\/th>\nB\u1edd bi\u1ec3n<\/th>\n<\/tr>\n
    HRA<\/th>\nHRB<\/th>\nHRC<\/th>\nPh\u00e1t tri\u1ec3n ngu\u1ed3n nh\u00e2n l\u1ef1c<\/th>\n15N<\/th>\n30N<\/th>\n45 \u0111\u1ed9 B\u1eafc<\/th>\n\u0110i\u1ec7n \u00e1p cao<\/th>\nHB<\/th>\nHS<\/th>\n<\/tr>\n
    60kgf<\/th>\n100kgf<\/th>\n150kgf<\/th>\n100kgf<\/th>\n15kgf<\/th>\n30kgf<\/th>\n45kgf<\/th>\n50kgf<\/th>\n3000kgf<\/th>\nJIS<\/th>\n<\/tr>\n<\/thead>\n
    85.6<\/td>\n<\/td>\n68<\/td>\n76.9<\/td>\n93.2<\/td>\n84.4<\/td>\n75.4<\/td>\n940<\/td>\n<\/td>\n97.6<\/td>\n<\/tr>\n
    85.3<\/td>\n<\/td>\n67.5<\/td>\n76.5<\/td>\n93<\/td>\n84<\/td>\n74.3<\/td>\n920<\/td>\n<\/td>\n96.4<\/td>\n<\/tr>\n
    85<\/td>\n<\/td>\n67<\/td>\n76.1<\/td>\n92.9<\/td>\n83.6<\/td>\n74.2<\/td>\n900<\/td>\n<\/td>\n95.2<\/td>\n<\/tr>\n
    84.7<\/td>\n<\/td>\n66.5<\/td>\n75.7<\/td>\n92.7<\/td>\n83.1<\/td>\n73.6<\/td>\n880<\/td>\n<\/td>\n94<\/td>\n<\/tr>\n
    84.4<\/td>\n<\/td>\n65.9<\/td>\n75.3<\/td>\n92.5<\/td>\n82.7<\/td>\n73.1<\/td>\n860<\/td>\n<\/td>\n92.8<\/td>\n<\/tr>\n
    84.1<\/td>\n<\/td>\n65.3<\/td>\n74.8<\/td>\n92.3<\/td>\n82.2<\/td>\n72.2<\/td>\n840<\/td>\n<\/td>\n91.5<\/td>\n<\/tr>\n
    83.8<\/td>\n<\/td>\n64.7<\/td>\n74.3<\/td>\n92.1<\/td>\n81.7<\/td>\n71.8<\/td>\n820<\/td>\n<\/td>\n90.2<\/td>\n<\/tr>\n
    83.4<\/td>\n<\/td>\n64<\/td>\n73.8<\/td>\n92<\/td>\n81.1<\/td>\n70.7<\/td>\n800<\/td>\n<\/td>\n88.9<\/td>\n<\/tr>\n
    83<\/td>\n<\/td>\n63.3<\/td>\n73.3<\/td>\n91.5<\/td>\n80.4<\/td>\n70.2<\/td>\n780<\/td>\n<\/td>\n87.5<\/td>\n<\/tr>\n
    82.6<\/td>\n<\/td>\n62.5<\/td>\n72.6<\/td>\n91.2<\/td>\n79.7<\/td>\n69.4<\/td>\n760<\/td>\n<\/td>\n86.2<\/td>\n<\/tr>\n
    82.2<\/td>\n<\/td>\n61.8<\/td>\n72.1<\/td>\n91<\/td>\n79.1<\/td>\n68.6<\/td>\n740<\/td>\n<\/td>\n84.8<\/td>\n<\/tr>\n
    81.8<\/td>\n<\/td>\n61<\/td>\n71.5<\/td>\n90.7<\/td>\n78.4<\/td>\n67.7<\/td>\n720<\/td>\n<\/td>\n83.3<\/td>\n<\/tr>\n
    81.3<\/td>\n<\/td>\n60.1<\/td>\n70.8<\/td>\n90.3<\/td>\n77.6<\/td>\n66.7<\/td>\n700<\/td>\n<\/td>\n81.8<\/td>\n<\/tr>\n
    81.1<\/td>\n<\/td>\n59.7<\/td>\n70.5<\/td>\n90.1<\/td>\n77.2<\/td>\n66.2<\/td>\n690<\/td>\n<\/td>\n81.1<\/td>\n<\/tr>\n
    80.8<\/td>\n<\/td>\n59.2<\/td>\n70.1<\/td>\n89.7<\/td>\n76.8<\/td>\n65.7<\/td>\n680<\/td>\n<\/td>\n80.3<\/td>\n<\/tr>\n
    80.6<\/td>\n<\/td>\n58.8<\/td>\n69.8<\/td>\n89.5<\/td>\n76.4<\/td>\n65.3<\/td>\n670<\/td>\n<\/td>\n79.6<\/td>\n<\/tr>\n
    80.3<\/td>\n<\/td>\n58.3<\/td>\n69.4<\/td>\n89.2<\/td>\n75.9<\/td>\n64.7<\/td>\n660<\/td>\n<\/td>\n78.8<\/td>\n<\/tr>\n
    80<\/td>\n<\/td>\n57.8<\/td>\n69<\/td>\n89<\/td>\n75.5<\/td>\n64.1<\/td>\n650<\/td>\n<\/td>\n78<\/td>\n<\/tr>\n
    79.8<\/td>\n<\/td>\n57.3<\/td>\n68.7<\/td>\n88.8<\/td>\n75.1<\/td>\n63.5<\/td>\n640<\/td>\n<\/td>\n77.2<\/td>\n<\/tr>\n
    79.5<\/td>\n<\/td>\n56.8<\/td>\n68.3<\/td>\n88.5<\/td>\n74.6<\/td>\n63<\/td>\n630<\/td>\n<\/td>\n76.4<\/td>\n<\/tr>\n
    79.2<\/td>\n<\/td>\n56.3<\/td>\n67.9<\/td>\n88.2<\/td>\n74.2<\/td>\n62.4<\/td>\n620<\/td>\n<\/td>\n75.6<\/td>\n<\/tr>\n
    78.9<\/td>\n<\/td>\n55.7<\/td>\n67.5<\/td>\n88<\/td>\n73.6<\/td>\n61.7<\/td>\n610<\/td>\n<\/td>\n74.7<\/td>\n<\/tr>\n
    78.6<\/td>\n<\/td>\n55.2<\/td>\n67<\/td>\n87.8<\/td>\n73.2<\/td>\n61.2<\/td>\n600<\/td>\n<\/td>\n73.9<\/td>\n<\/tr>\n
    78.4<\/td>\n<\/td>\n54.7<\/td>\n66.7<\/td>\n87.5<\/td>\n72.7<\/td>\n60.5<\/td>\n590<\/td>\n<\/td>\n73.1<\/td>\n<\/tr>\n
    78<\/td>\n<\/td>\n54.1<\/td>\n66.2<\/td>\n87.2<\/td>\n72.1<\/td>\n59.9<\/td>\n580<\/td>\n<\/td>\n72.2<\/td>\n<\/tr>\n
    77.8<\/td>\n<\/td>\n53.6<\/td>\n65.8<\/td>\n87<\/td>\n71.7<\/td>\n59.3<\/td>\n570<\/td>\n<\/td>\n71.3<\/td>\n<\/tr>\n
    77.4<\/td>\n<\/td>\n53<\/td>\n65.4<\/td>\n86.8<\/td>\n71.2<\/td>\n58.6<\/td>\n560<\/td>\n<\/td>\n70.4<\/td>\n<\/tr>\n
    77<\/td>\n<\/td>\n52.3<\/td>\n64.8<\/td>\n86.5<\/td>\n70.5<\/td>\n57.8<\/td>\n550<\/td>\n<\/td>\n69.6<\/td>\n<\/tr>\n
    76.7<\/td>\n<\/td>\n51.7<\/td>\n64.4<\/td>\n86.3<\/td>\n70<\/td>\n57<\/td>\n540<\/td>\n<\/td>\n68.7<\/td>\n<\/tr>\n
    76.4<\/td>\n<\/td>\n51.1<\/td>\n63.9<\/td>\n86<\/td>\n69.5<\/td>\n56.2<\/td>\n530<\/td>\n<\/td>\n67.7<\/td>\n<\/tr>\n
    76.1<\/td>\n<\/td>\n50.5<\/td>\n63.5<\/td>\n85.7<\/td>\n69<\/td>\n55.6<\/td>\n520<\/td>\n<\/td>\n66.8<\/td>\n<\/tr>\n
    75.7<\/td>\n<\/td>\n49.8<\/td>\n63.1<\/td>\n85.4<\/td>\n68.3<\/td>\n54.7<\/td>\n510<\/td>\n<\/td>\n65.9<\/td>\n<\/tr>\n
    75.3<\/td>\n<\/td>\n49.1<\/td>\n62.7<\/td>\n85<\/td>\n67.7<\/td>\n54.1<\/td>\n500<\/td>\n<\/td>\n64.9<\/td>\n<\/tr>\n
    74.9<\/td>\n<\/td>\n48.4<\/td>\n62.3<\/td>\n84.7<\/td>\n67.1<\/td>\n53.5<\/td>\n490<\/td>\n<\/td>\n63.7<\/td>\n<\/tr>\n
    74.5<\/td>\n<\/td>\n47.7<\/td>\n61.9<\/td>\n84.3<\/td>\n66.4<\/td>\n52.9<\/td>\n480<\/td>\n<\/td>\n62.5<\/td>\n<\/tr>\n
    74.1<\/td>\n<\/td>\n46.9<\/td>\n61.5<\/td>\n83.9<\/td>\n65.7<\/td>\n52.3<\/td>\n470<\/td>\n<\/td>\n61.3<\/td>\n<\/tr>\n
    73.6<\/td>\n<\/td>\n46.1<\/td>\n60.9<\/td>\n83.6<\/td>\n65<\/td>\n51.6<\/td>\n460<\/td>\n<\/td>\n60<\/td>\n<\/tr>\n
    73.3<\/td>\n<\/td>\n45.3<\/td>\n60.5<\/td>\n83.2<\/td>\n64.3<\/td>\n51<\/td>\n450<\/td>\n<\/td>\n59<\/td>\n<\/tr>\n
    72.8<\/td>\n<\/td>\n44.5<\/td>\n59.9<\/td>\n82.8<\/td>\n63.5<\/td>\n50.3<\/td>\n440<\/td>\n<\/td>\n58<\/td>\n<\/tr>\n
    72.3<\/td>\n<\/td>\n43.6<\/td>\n59.3<\/td>\n82.5<\/td>\n62.7<\/td>\n49.7<\/td>\n430<\/td>\n<\/td>\n56.9<\/td>\n<\/tr>\n
    71.8<\/td>\n<\/td>\n42.7<\/td>\n58.7<\/td>\n82<\/td>\n61.9<\/td>\n49<\/td>\n420<\/td>\n<\/td>\n55.9<\/td>\n<\/tr>\n
    71.4<\/td>\n<\/td>\n41.8<\/td>\n58.1<\/td>\n81.8<\/td>\n61.1<\/td>\n48.2<\/td>\n410<\/td>\n<\/td>\n54.9<\/td>\n<\/tr>\n
    70.8<\/td>\n<\/td>\n40.8<\/td>\n57.5<\/td>\n81.3<\/td>\n60.2<\/td>\n47.4<\/td>\n400<\/td>\n<\/td>\n53.8<\/td>\n<\/tr>\n
    70.3<\/td>\n<\/td>\n39.8<\/td>\n57.1<\/td>\n81<\/td>\n59.6<\/td>\n46.8<\/td>\n390<\/td>\n<\/td>\n53<\/td>\n<\/tr>\n
    69.8<\/td>\n110<\/td>\n38.8<\/td>\n56.5<\/td>\n80.6<\/td>\n59<\/td>\n46.1<\/td>\n380<\/td>\n<\/td>\n52.1<\/td>\n<\/tr>\n

    <\/p>\n

    <\/td>\n40<\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/td>\n100<\/td>\n95<\/td>\n16.1<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n

    Chuy\u1ec3n \u0111\u1ed5i \u0111\u1ed9 c\u1ee9ng cho kim lo\u1ea1i m\u1ec1m<\/h2>\n
    \n

    \u0110\u1ed1i v\u1edbi c\u00e1c kim lo\u1ea1i m\u1ec1m nh\u01b0 \u0111\u1ed3ng v\u00e0 nh\u00f4m, b\u1ea3ng n\u00e0y cung c\u1ea5p c\u00e1c chuy\u1ec3n \u0111\u1ed5i gi\u1eefa thang \u0111o Rockwell (HRB, HRF), thang \u0111o Rockwell b\u1ec1 m\u1eb7t (15T, 30T, 45T) v\u00e0 thang \u0111o Vickers (HV). C\u00e1c v\u1eadt li\u1ec7u n\u00e0y y\u00eau c\u1ea7u t\u1ea3i tr\u1ecdng nh\u1eb9 h\u01a1n \u0111\u1ec3 tr\u00e1nh bi\u1ebfn d\u1ea1ng, do \u0111\u00f3 thang \u0111o Rockwell b\u1ec1 m\u1eb7t l\u00e0 l\u00fd t\u01b0\u1edfng. S\u1eed d\u1ee5ng thang \u0111o n\u00e0y cho c\u00e1c h\u1ee3p kim kim lo\u1ea1i m\u00e0u trong ng\u00e0nh \u0111i\u1ec7n t\u1eed ho\u1eb7c h\u00e0ng kh\u00f4ng v\u0169 tr\u1ee5, n\u01a1i \u0111\u1ed9 c\u1ee9ng ch\u00ednh x\u00e1c t\u01b0\u01a1ng quan v\u1edbi \u0111\u1ed9 d\u1ebbo v\u00e0 kh\u1ea3 n\u0103ng gia c\u00f4ng.<\/p>\n

      \n
    1. Ch\u1ecdn thang \u0111o ph\u00f9 h\u1ee3p v\u1edbi \u0111\u1ed9 m\u1ec1m c\u1ee7a v\u1eadt li\u1ec7u \u0111\u1ec3 tr\u00e1nh k\u1ebft qu\u1ea3 \u0111o kh\u00f4ng ch\u00ednh x\u00e1c.<\/li>\n
    2. \u0110\u1ed1i chi\u1ebfu v\u1edbi th\u01b0\u1edbc \u0111o Vickers \u0111\u1ed1i v\u1edbi c\u00e1c m\u1eabu nh\u1ecf ho\u1eb7c m\u1ecfng.<\/li>\n
    3. M\u1eb9o: \u0110\u1ed9 c\u1ee9ng th\u1ea5p h\u01a1n cho th\u1ea5y kh\u1ea3 n\u0103ng t\u1ea1o h\u00ecnh t\u1ed1t h\u01a1n nh\u01b0ng kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n th\u1ea5p h\u01a1n.<\/li>\n<\/ol>\n
      \n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
      \u0110\u1ed9 c\u1ee9ng Rockwell<\/th>\n\u0110\u1ed9 c\u1ee9ng Rockwell b\u1ec1 m\u1eb7t<\/th>\nVickers<\/th>\n<\/tr>\n
      HRB<\/th>\nHRF<\/th>\n15T<\/th>\n30T<\/th>\n45T<\/th>\n\u0110i\u1ec7n \u00e1p cao<\/th>\n<\/tr>\n
      100kgf<\/th>\n60kgf<\/th>\n15kgf<\/th>\n30kgf<\/th>\n45kgf<\/th>\n50kgf<\/th>\n<\/tr>\n<\/thead>\n
      93.5<\/td>\n110<\/td>\n90<\/td>\n77.5<\/td>\n66<\/td>\n196<\/td>\n<\/tr>\n
      <\/td>\n109.5<\/td>\n<\/td>\n<\/td>\n65.5<\/td>\n194<\/td>\n<\/tr>\n
      93<\/td>\n<\/td>\n<\/td>\n77<\/td>\n65<\/td>\n192<\/td>\n<\/tr>\n
      92.5<\/td>\n109<\/td>\n<\/td>\n76.5<\/td>\n64.5<\/td>\n190<\/td>\n<\/tr>\n
      92<\/td>\n<\/td>\n89.5<\/td>\n<\/td>\n64<\/td>\n188<\/td>\n<\/tr>\n
      91.5<\/td>\n108.5<\/td>\n<\/td>\n76<\/td>\n63.5<\/td>\n186<\/td>\n<\/tr>\n
      91<\/td>\n<\/td>\n<\/td>\n75.5<\/td>\n63<\/td>\n184<\/td>\n<\/tr>\n
      90.5<\/td>\n108<\/td>\n89<\/td>\n<\/td>\n62.5<\/td>\n182<\/td>\n<\/tr>\n
      90<\/td>\n107.5<\/td>\n<\/td>\n75<\/td>\n62<\/td>\n180<\/td>\n<\/tr>\n
      89<\/td>\n<\/td>\n<\/td>\n74.5<\/td>\n61.5<\/td>\n178<\/td>\n<\/tr>\n
      88.5<\/td>\n107<\/td>\n<\/td>\n<\/td>\n61<\/td>\n176<\/td>\n<\/tr>\n
      88<\/td>\n<\/td>\n88.5<\/td>\n74<\/td>\n60.5<\/td>\n174<\/td>\n<\/tr>\n
      87.5<\/td>\n106.5<\/td>\n<\/td>\n73.5<\/td>\n60<\/td>\n172<\/td>\n<\/tr>\n
      87<\/td>\n<\/td>\n<\/td>\n<\/td>\n59.5<\/td>\n170<\/td>\n<\/tr>\n
      86<\/td>\n106<\/td>\n88<\/td>\n73<\/td>\n59<\/td>\n168<\/td>\n<\/tr>\n
      85.5<\/td>\n<\/td>\n<\/td>\n72.5<\/td>\n58.5<\/td>\n166<\/td>\n<\/tr>\n
      85<\/td>\n105.5<\/td>\n<\/td>\n72<\/td>\n58<\/td>\n164<\/td>\n<\/tr>\n
      84<\/td>\n105<\/td>\n87.5<\/td>\n<\/td>\n57.5<\/td>\n162<\/td>\n<\/tr>\n
      83.5<\/td>\n<\/td>\n<\/td>\n71.5<\/td>\n56.7<\/td>\n160<\/td>\n<\/tr>\n
      83<\/td>\n104.5<\/td>\n<\/td>\n71<\/td>\n56<\/td>\n158<\/td>\n<\/tr>\n
      82<\/td>\n104<\/td>\n87<\/td>\n70.5<\/td>\n55.5<\/td>\n156<\/td>\n<\/tr>\n
      81.5<\/td>\n103.5<\/td>\n<\/td>\n70<\/td>\n54.5<\/td>\n154<\/td>\n<\/tr>\n
      80.5<\/td>\n<\/td>\n<\/td>\n<\/td>\n54<\/td>\n152<\/td>\n<\/tr>\n
      80<\/td>\n<\/td>\n86.5<\/td>\n69.5<\/td>\n53.5<\/td>\n150<\/td>\n<\/tr>\n
      79<\/td>\n102.5<\/td>\n<\/td>\n69<\/td>\n53<\/td>\n148<\/td>\n<\/tr>\n
      78<\/td>\n102<\/td>\n<\/td>\n68.5<\/td>\n52.5<\/td>\n146<\/td>\n<\/tr>\n
      77.5<\/td>\n101.5<\/td>\n86<\/td>\n68<\/td>\n51.5<\/td>\n144<\/td>\n<\/tr>\n
      77<\/td>\n101<\/td>\n<\/td>\n67.5<\/td>\n51<\/td>\n142<\/td>\n<\/tr>\n
      76<\/td>\n100.5<\/td>\n85.5<\/td>\n67<\/td>\n50<\/td>\n140<\/td>\n<\/tr>\n
      75<\/td>\n100<\/td>\n<\/td>\n66.5<\/td>\n49<\/td>\n138<\/td>\n<\/tr>\n
      74.5<\/td>\n99.5<\/td>\n85<\/td>\n66<\/td>\n48<\/td>\n136<\/td>\n<\/tr>\n
      73.5<\/td>\n99<\/td>\n<\/td>\n65.5<\/td>\n47.5<\/td>\n134<\/td>\n<\/tr>\n
      73<\/td>\n98.5<\/td>\n84.5<\/td>\n65<\/td>\n46.5<\/td>\n132<\/td>\n<\/tr>\n
      72<\/td>\n98<\/td>\n84<\/td>\n64.5<\/td>\n45.5<\/td>\n130<\/td>\n<\/tr>\n
      71<\/td>\n97.5<\/td>\n<\/td>\n63.5<\/td>\n45<\/td>\n128<\/td>\n<\/tr>\n
      70<\/td>\n97<\/td>\n83.5<\/td>\n63<\/td>\n44<\/td>\n126<\/td>\n<\/tr>\n
      69<\/td>\n96.5<\/td>\n<\/td>\n62.5<\/td>\n43<\/td>\n124<\/td>\n<\/tr>\n
      68<\/td>\n96<\/td>\n83<\/td>\n62<\/td>\n42<\/td>\n122<\/td>\n<\/tr>\n
      67<\/td>\n95.5<\/td>\n<\/td>\n61<\/td>\n41<\/td>\n120<\/td>\n<\/tr>\n
      66<\/td>\n95<\/td>\n82.5<\/td>\n60.5<\/td>\n40<\/td>\n118<\/td>\n<\/tr>\n
      65<\/td>\n94.5<\/td>\n82<\/td>\n60<\/td>\n39<\/td>\n116<\/td>\n<\/tr>\n
      64<\/td>\n94<\/td>\n81.5<\/td>\n59.5<\/td>\n38<\/td>\n114<\/td>\n<\/tr>\n
      63<\/td>\n93<\/td>\n81<\/td>\n58.5<\/td>\n37<\/td>\n112<\/td>\n<\/tr>\n
      62<\/td>\n92.6<\/td>\n80.5<\/td>\n58<\/td>\n35.5<\/td>\n110<\/td>\n<\/tr>\n
      61<\/td>\n92<\/td>\n<\/td>\n57<\/td>\n34.5<\/td>\n108<\/td>\n<\/tr>\n
      59.5<\/td>\n91.2<\/td>\n80<\/td>\n56<\/td>\n33<\/td>\n106<\/td>\n<\/tr>\n
      58<\/td>\n90.5<\/td>\n79.5<\/td>\n55<\/td>\n32<\/td>\n104<\/td>\n<\/tr>\n
      57<\/td>\n89.8<\/td>\n79<\/td>\n54.5<\/td>\n30.5<\/td>\n102<\/td>\n<\/tr>\n
      56<\/td>\n89<\/td>\n78.5<\/td>\n53.5<\/td>\n29.5<\/td>\n100<\/td>\n<\/tr>\n
      54<\/td>\n88<\/td>\n78<\/td>\n52.5<\/td>\n28<\/td>\n98<\/td>\n<\/tr>\n
      53<\/td>\n87.2<\/td>\n77.5<\/td>\n51.5<\/td>\n26.5<\/td>\n96<\/td>\n<\/tr>\n
      61.6<\/td>\n86.6<\/td>\n77<\/td>\n50.5<\/td>\n24.5<\/td>\n94<\/td>\n<\/tr>\n
      49.5<\/td>\n85.4<\/td>\n76.5<\/td>\n49<\/td>\n23<\/td>\n92<\/td>\n<\/tr>\n
      47.5<\/td>\n84.4<\/td>\n75.5<\/td>\n48<\/td>\n21<\/td>\n90<\/td>\n<\/tr>\n
      46<\/td>\n83.5<\/td>\n75<\/td>\n47<\/td>\n19<\/td>\n88<\/td>\n<\/tr>\n
      44<\/td>\n82.3<\/td>\n74.5<\/td>\n45.5<\/td>\n17<\/td>\n86<\/td>\n<\/tr>\n
      42<\/td>\n81.2<\/td>\n73.5<\/td>\n44<\/td>\n14.5<\/td>\n84<\/td>\n<\/tr>\n
      40<\/td>\n80<\/td>\n73<\/td>\n43<\/td>\n12.5<\/td>\n82<\/td>\n<\/tr>\n
      37.5<\/td>\n78.6<\/td>\n72<\/td>\n41<\/td>\n10<\/td>\n80<\/td>\n<\/tr>\n
      35<\/td>\n77.4<\/td>\n71.5<\/td>\n39.5<\/td>\n7.5<\/td>\n78<\/td>\n<\/tr>\n
      32.5<\/td>\n76<\/td>\n70.5<\/td>\n38<\/td>\n4.5<\/td>\n76<\/td>\n<\/tr>\n
      30<\/td>\n74.8<\/td>\n70<\/td>\n36<\/td>\n1<\/td>\n74<\/td>\n<\/tr>\n
      27.5<\/td>\n73.2<\/td>\n69<\/td>\n34<\/td>\n<\/td>\n72<\/td>\n<\/tr>\n
      24.5<\/td>\n71.6<\/td>\n68<\/td>\n32<\/td>\n<\/td>\n70<\/td>\n<\/tr>\n
      21.5<\/td>\n70<\/td>\n67<\/td>\n30<\/td>\n<\/td>\n68<\/td>\n<\/tr>\n
      18.5<\/td>\n68.5<\/td>\n66<\/td>\n28<\/td>\n<\/td>\n66<\/td>\n<\/tr>\n
      15.5<\/td>\n66.8<\/td>\n65<\/td>\n25.5<\/td>\n<\/td>\n64<\/td>\n<\/tr>\n
      12.5<\/td>\n65<\/td>\n63.5<\/td>\n23<\/td>\n<\/td>\n62<\/td>\n<\/tr>\n
      10<\/td>\n63<\/td>\n62.5<\/td>\n20.5<\/td>\n<\/td>\n60<\/td>\n<\/tr>\n
      <\/td>\n61<\/td>\n61<\/td>\n18<\/td>\n<\/td>\n58<\/td>\n<\/tr>\n
      <\/td>\n58.8<\/td>\n60<\/td>\n15<\/td>\n<\/td>\n56<\/td>\n<\/tr>\n
      <\/td>\n56.5<\/td>\n58.5<\/td>\n12<\/td>\n<\/td>\n54<\/td>\n<\/tr>\n
      <\/td>\n53.5<\/td>\n57<\/td>\n<\/td>\n<\/td>\n52<\/td>\n<\/tr>\n
      <\/td>\n50.5<\/td>\n55.5<\/td>\n<\/td>\n<\/td>\n50<\/td>\n<\/tr>\n
      <\/td>\n49<\/td>\n54.5<\/td>\n<\/td>\n<\/td>\n49<\/td>\n<\/tr>\n
      <\/td>\n47<\/td>\n53.5<\/td>\n<\/td>\n<\/td>\n48<\/td>\n<\/tr>\n
      <\/td>\n45<\/td>\n<\/td>\n<\/td>\n<\/td>\n47<\/td>\n<\/tr>\n
      <\/td>\n43<\/td>\n<\/td>\n<\/td>\n<\/td>\n46<\/td>\n<\/tr>\n
      <\/td>\n40<\/td>\n<\/td>\n<\/td>\n<\/td>\n45<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n

      C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p<\/h2>\n
      \n

      \u0110i\u1ec3m kh\u00e1c bi\u1ec7t gi\u1eefa thang \u0111o Rockwell v\u00e0 thang \u0111o Rockwell b\u1ec1 m\u1eb7t l\u00e0 g\u00ec?<\/h3>\n

      \u0110\u1ed9 c\u1ee9ng Rockwell b\u1ec1 m\u1eb7t s\u1eed d\u1ee5ng t\u1ea3i tr\u1ecdng nh\u1eb9 h\u01a1n (15, 30, 45 kgf) cho c\u00e1c v\u1eadt li\u1ec7u m\u1ecfng ho\u1eb7c \u0111\u01b0\u1ee3c x\u1eed l\u00fd b\u1ec1 m\u1eb7t \u0111\u1ec3 tr\u00e1nh bi\u1ebfn d\u1ea1ng, trong khi \u0111\u1ed9 c\u1ee9ng Rockwell ti\u00eau chu\u1ea9n s\u1eed d\u1ee5ng t\u1ea3i tr\u1ecdng n\u1eb7ng h\u01a1n (60, 100, 150 kgf) \u0111\u1ec3 \u0111o \u0111\u1ed9 c\u1ee9ng kh\u1ed1i. Ch\u1ecdn \u0111\u1ed9 c\u1ee9ng b\u1ec1 m\u1eb7t cho c\u00e1c b\u1ed9 ph\u1eadn th\u00e0nh m\u1ecfng nh\u01b0 \u1ed1ng \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o k\u1ebft qu\u1ea3 \u0111o ch\u00ednh x\u00e1c m\u00e0 kh\u00f4ng l\u00e0m h\u1ecfng m\u1eabu.<\/p>\n<\/div>\n

      \n

      \u0110\u1ed9 ch\u00ednh x\u00e1c c\u1ee7a c\u00e1c ph\u00e9p chuy\u1ec3n \u0111\u1ed5i \u0111\u1ed9 c\u1ee9ng l\u00e0 bao nhi\u00eau?<\/h3>\n

      C\u00e1c ph\u00e9p quy \u0111\u1ed5i ch\u1ec9 l\u00e0 \u01b0\u1edbc t\u00ednh d\u1ef1a tr\u00ean c\u00e1c ti\u00eau chu\u1ea9n nh\u01b0 DIN 50150 v\u00e0 c\u00f3 th\u1ec3 thay \u0111\u1ed5i t\u00f9y thu\u1ed9c v\u00e0o lo\u1ea1i v\u1eadt li\u1ec7u ho\u1eb7c \u0111i\u1ec1u ki\u1ec7n. Lu\u00f4n lu\u00f4n th\u1ef1c hi\u1ec7n c\u00e1c th\u1eed nghi\u1ec7m tr\u1ef1c ti\u1ebfp \u0111\u1ed1i v\u1edbi c\u00e1c \u1ee9ng d\u1ee5ng quan tr\u1ecdng, v\u00ec c\u00e1c y\u1ebfu t\u1ed1 nh\u01b0 c\u1ea5u tr\u00fac h\u1ea1t ho\u1eb7c c\u00e1c nguy\u00ean t\u1ed1 h\u1ee3p kim c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn s\u1ef1 t\u01b0\u01a1ng \u0111\u01b0\u01a1ng.<\/p>\n<\/div>\n

      \n

      T\u1ea1i sao l\u1ea1i s\u1eed d\u1ee5ng \u0111\u1ed9 c\u1ee9ng Vickers cho c\u00e1c khu v\u1ef1c nh\u1ecf?<\/h3>\n

      Vickers s\u1eed d\u1ee5ng \u0111\u1ea7u \u0111o kim c\u01b0\u01a1ng v\u1edbi t\u1ea3i tr\u1ecdng thay \u0111\u1ed5i, th\u00edch h\u1ee3p cho vi\u1ec7c \u0111o ch\u00ednh x\u00e1c tr\u00ean c\u00e1c b\u1ec1 m\u1eb7t nh\u1ecf ho\u1eb7c kh\u00f4ng \u0111\u1ed3ng nh\u1ea5t. N\u00f3 cung c\u1ea5p m\u1ed9t thang \u0111o duy nh\u1ea5t (HV) cho t\u1ea5t c\u1ea3 c\u00e1c m\u1ee9c \u0111\u1ed9 c\u1ee9ng, t\u1ea1o \u0111i\u1ec1u ki\u1ec7n thu\u1eadn l\u1ee3i cho vi\u1ec7c chuy\u1ec3n \u0111\u1ed5i sang c\u00e1c thang \u0111o kh\u00e1c nh\u01b0 Rockwell ho\u1eb7c Brinell.<\/p>\n<\/div>\n

      \n

      Khi n\u00e0o n\u00ean s\u1eed d\u1ee5ng b\u1ea3ng kim lo\u1ea1i m\u1ec1m?<\/h3>\n

      S\u1eed d\u1ee5ng b\u1ea3ng n\u00e0y cho c\u00e1c kim lo\u1ea1i m\u00e0u nh\u01b0 \u0111\u1ed3ng ho\u1eb7c nh\u00f4m, nh\u1eefng kim lo\u1ea1i m\u1ec1m h\u01a1n v\u00e0 c\u1ea7n \u0111i\u1ec1u ch\u1ec9nh thang \u0111o \u0111\u1ec3 tr\u00e1nh sai s\u00f3t khi \u0111o \u0111\u1ed9 c\u1ee9ng. B\u1ea3ng n\u00e0y h\u1eefu \u00edch trong c\u00e1c \u1ee9ng d\u1ee5ng nh\u01b0 linh ki\u1ec7n \u0111i\u1ec7n t\u1eed, n\u01a1i \u0111\u1ed9 d\u1ebbo l\u00e0 y\u1ebfu t\u1ed1 quan tr\u1ecdng.<\/p>\n<\/div>\n

      \n

      C\u00e1c b\u1ea3ng n\u00e0y c\u00f3 th\u1ec3 \u00e1p d\u1ee5ng cho t\u1ea5t c\u1ea3 c\u00e1c kim lo\u1ea1i kh\u00f4ng?<\/h3>\n

      Kh\u00f4ng, ch\u00fang \u0111\u01b0\u1ee3c t\u1ed1i \u01b0u h\u00f3a cho c\u00e1c lo\u1ea1i th\u00e9p th\u00f4ng th\u01b0\u1eddng v\u00e0 kim lo\u1ea1i m\u1ec1m. \u0110\u1ed1i v\u1edbi th\u00e9p kh\u00f4ng g\u1ec9 ho\u1eb7c h\u1ee3p kim \u0111\u1eb7c bi\u1ec7t, h\u00e3y tham kh\u1ea3o c\u00e1c ti\u00eau chu\u1ea9n c\u1ee5 th\u1ec3 ho\u1eb7c ti\u1ebfn h\u00e0nh c\u00e1c th\u1eed nghi\u1ec7m th\u1ef1c nghi\u1ec7m, v\u00ec c\u00e1c ph\u00e9p chuy\u1ec3n \u0111\u1ed5i c\u00f3 th\u1ec3 kh\u00f4ng ch\u00ednh x\u00e1c do c\u00e1c \u0111\u1eb7c t\u00ednh ri\u00eang bi\u1ec7t.<\/p>\n<\/div>\n

      \n

      N\u1ebfu m\u1ed9t gi\u00e1 tr\u1ecb kh\u00f4ng c\u00f3 trong b\u1ea3ng th\u00ec sao?<\/h3>\n

      N\u1ed9i suy m\u1ed9t c\u00e1ch th\u1eadn tr\u1ecdng ho\u1eb7c s\u1eed d\u1ee5ng c\u00e1c c\u00f4ng th\u1ee9c to\u00e1n h\u1ecdc t\u1eeb c\u00e1c ti\u00eau chu\u1ea9n nh\u01b0 ASTM E140. \u0110\u1ec3 \u0111\u1ea1t \u0111\u1ed9 ch\u00ednh x\u00e1c cao, h\u00e3y th\u1ef1c hi\u1ec7n tr\u1ef1c ti\u1ebfp th\u1eed nghi\u1ec7m c\u1ea7n thi\u1ebft, \u0111\u1eb7c bi\u1ec7t l\u00e0 trong c\u00e1c quy tr\u00ecnh \u0111\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng.<\/p>\n<\/div>\n

       <\/p>","protected":false},"excerpt":{"rendered":"

      Vickers Brinell Rockwell Hardness conversion tables are essential tools in materials engineering, allowing professionals to compare measurements from different testing methods such as Vickers (HV), Brinell (HB), Rockwell (HR), and Shore (HS). These conversions are based on standards like DIN 50150, providing reliable approximations for common metals. They aid in quality control, material selection, and […]<\/p>","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":"","footnotes":""},"categories":[220],"tags":[],"class_list":["post-5744","post","type-post","status-publish","format-standard","hentry","category-technical-documentation-and-references"],"_links":{"self":[{"href":"https:\/\/korea-transmission.com\/vi\/wp-json\/wp\/v2\/posts\/5744","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/korea-transmission.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/korea-transmission.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/korea-transmission.com\/vi\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/korea-transmission.com\/vi\/wp-json\/wp\/v2\/comments?post=5744"}],"version-history":[{"count":2,"href":"https:\/\/korea-transmission.com\/vi\/wp-json\/wp\/v2\/posts\/5744\/revisions"}],"predecessor-version":[{"id":5746,"href":"https:\/\/korea-transmission.com\/vi\/wp-json\/wp\/v2\/posts\/5744\/revisions\/5746"}],"wp:attachment":[{"href":"https:\/\/korea-transmission.com\/vi\/wp-json\/wp\/v2\/media?parent=5744"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/korea-transmission.com\/vi\/wp-json\/wp\/v2\/categories?post=5744"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/korea-transmission.com\/vi\/wp-json\/wp\/v2\/tags?post=5744"}],"curies":[{"name":"trang web","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}