{"id":5705,"date":"2025-12-24T01:41:35","date_gmt":"2025-12-24T01:41:35","guid":{"rendered":"https:\/\/korea-transmission.com\/?p=5705"},"modified":"2025-12-24T01:41:35","modified_gmt":"2025-12-24T01:41:35","slug":"gb-t-3098-8-bolts-for-200c-to-700c-use","status":"publish","type":"post","link":"https:\/\/korea-transmission.com\/fi\/blog\/gb-t-3098-8-bolts-for-200c-to-700c-use\/","title":{"rendered":"GB\/T 3098.8 Pultit, k\u00e4ytt\u00f6l\u00e4mp\u00f6tila -200 \u00b0C - +700 \u00b0C"},"content":{"rendered":"<div class=\"section\" style=\"background-color: #f9f9f9; padding: 20px; border-radius: 5px;\">\n<h2>Johdatus GB\/T 3098.8 -standardiin<\/h2>\n<p>T\u00e4m\u00e4 standardi m\u00e4\u00e4rittelee \u00e4\u00e4ril\u00e4mp\u00f6tiloissa -200 \u00b0C - +700 \u00b0C toimivien pulttiliitosten mekaaniset ominaisuudet, materiaalit, tarkastukset, tunnistamisen ja merkinn\u00e4n. Se varmistaa luotettavuuden sovelluksissa, kuten paineastioissa, kattiloissa ja korkean l\u00e4mp\u00f6tilan koneissa, t\u00e4ydent\u00e4en standardeja, kuten GB\/T 3098.1, GB\/T 3098.6 ja DIN EN 10269.<\/p>\n<\/div>\n<div class=\"section\">\n<h2>Soveltamisala<\/h2>\n<p>GB\/T 3098.8-2010 m\u00e4\u00e4rittelee vaatimukset austeniittisista ter\u00e4ksist\u00e4 valmistetuille kiinnikkeille matalissa l\u00e4mp\u00f6tiloissa aina -200 \u00b0C:een asti ja ter\u00e4ksist\u00e4\/nikkeliseoksista valmistetuille kiinnikkeille korkeissa l\u00e4mp\u00f6tiloissa jopa +700 \u00b0C:een asti. Se kattaa mekaaniset suorituskykyluokat, testausmenetelm\u00e4t ja materiaalien yhteensovittamisen rakenteellisen eheyden takaamiseksi l\u00e4mp\u00f6j\u00e4nnityksiss\u00e4. T\u00e4m\u00e4 on ratkaisevan t\u00e4rke\u00e4\u00e4 teollisuudenaloilla, jotka vaativat kest\u00e4vyytt\u00e4 virumista, relaksaatiota ja haurasmurtumista vastaan.<\/p>\n<ul>\n<li>Koskee pultteja, ruuveja, tappeja ja muttereita pulttiliitoksissa.<\/li>\n<li>Keskittyy t\u00e4yteen kuormankantokykyyn turvallisen k\u00e4yt\u00f6n takaamiseksi \u00e4\u00e4rimm\u00e4isiss\u00e4 olosuhteissa.<\/li>\n<li>Viitteet asiaankuuluvista standardeista kattavan vaatimustenmukaisuuden varmistamiseksi.<\/li>\n<\/ul>\n<\/div>\n<div class=\"section\">\n<h2>Materiaalit ja mekaaniset ominaisuudet<\/h2>\n<p>Materiaalit valitaan l\u00e4mp\u00f6tila-alueiden perusteella mekaanisen eheyden s\u00e4ilytt\u00e4miseksi. Matalissa l\u00e4mp\u00f6tiloissa austeniittiset ter\u00e4kset tarjoavat sitkeytt\u00e4; korkeissa l\u00e4mp\u00f6tiloissa ter\u00e4kset ja nikkeliseokset tarjoavat lujuutta ja virumislujuutta. Ominaisuuksien on t\u00e4ytett\u00e4v\u00e4 m\u00e4\u00e4ritellyt kovuus-, vetolujuus- ja kuormitusvaatimukset.<\/p>\n<h3 style=\"font-size: 18px; color: #555;\">Matalan l\u00e4mp\u00f6tilan materiaalit<\/h3>\n<p>Taulukossa 1 luetellaan austeniittisten ter\u00e4sten ryhm\u00e4t, joiden v\u00e4himm\u00e4isk\u00e4ytt\u00f6l\u00e4mp\u00f6tilat ovat -200 \u00b0C, ominaisuuksien ollessa standardien GB\/T 3098.6 ja GB\/T 3098.15 mukaisia. Kuparipitoisuus \u22641%. Korkeammilla l\u00e4mp\u00f6tiloilla ei ole vaikutusta; alhaisemmissa l\u00e4mp\u00f6tiloissa vaaditaan suorituskykytestej\u00e4 olosuhteiden mukaan.<\/p>\n<div class=\"table-container\" style=\"overflow-x: auto; width: 100%;\">\n<table style=\"width: 100%;\">\n<thead>\n<tr>\n<th style=\"width: 55.2192%;\" rowspan=\"2\">Jatkuvan k\u00e4ytt\u00f6l\u00e4mp\u00f6tilan v\u00e4himm\u00e4isarvo (noin)<\/th>\n<th style=\"width: 20.3549%;\" rowspan=\"2\">Ter\u00e4sryhm\u00e4<sup>a<\/sup><\/th>\n<th style=\"width: 23.3821%;\" colspan=\"2\">Suorituskykyluokka<\/th>\n<\/tr>\n<tr>\n<th style=\"width: 13.4656%;\">Pultti<\/th>\n<th style=\"width: 9.91649%;\">Mutteri<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"width: 55.2192%;\" rowspan=\"3\">-60\u00b0C<sup>b<\/sup><\/td>\n<td style=\"width: 20.3549%;\">A2L-taso<\/td>\n<td style=\"width: 13.4656%;\" rowspan=\"3\">50<\/td>\n<td style=\"width: 9.91649%;\" rowspan=\"2\">50<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 20.3549%;\">A2<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 20.3549%;\">A3<\/td>\n<td style=\"width: 9.91649%;\" rowspan=\"2\">70<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 55.2192%;\" rowspan=\"3\">-200\u00b0C<sup>c<\/sup><\/td>\n<td style=\"width: 20.3549%;\">A4L<\/td>\n<td style=\"width: 13.4656%;\" rowspan=\"3\">70<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 20.3549%;\">A4<\/td>\n<td style=\"width: 9.91649%;\" rowspan=\"2\">80<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 20.3549%;\">A5<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p><sup>a<\/sup> Kuparipitoisuus \u22641% (GB\/T 3098.6:n ja GB\/T 3098.15:n mukaan).<br \/>\n<sup>b<\/sup> Kantaiset pultit.<br \/>\n<sup>c<\/sup> Nastat.<\/p>\n<h3 style=\"font-size: 18px; color: #555;\">Korkean l\u00e4mp\u00f6tilan materiaalit<\/h3>\n<p>Taulukossa 2 on esitetty ter\u00e4kset ja nikkeliseokset jopa +700 \u00b0C:n l\u00e4mp\u00f6tilaan asti, ja niiden ominaisuudet ovat DIN EN 10269 -taulukon 4 mukaiset l\u00e4mp\u00f6k\u00e4sittely\u00e4 varten. My\u00f6t\u00f6lujuuden, virumislujuuden ja relaksaation viitetiedot ovat DIN EN 10269 -taulukoista 5, C.1 ja D.1. Liittyy AD 2000-W2-, W7-, W10- ja VdTUV-levyihin.<\/p>\n<div class=\"table-container\" style=\"overflow-x: auto; width: 100%;\">\n<table style=\"width: 100%;\">\n<thead>\n<tr>\n<th colspan=\"3\">K\u00e4ytt\u00f6l\u00e4mp\u00f6tila-alue DIN EN 10269 mukaan<\/th>\n<th colspan=\"4\">Materiaali<\/th>\n<th colspan=\"2\">Pultin ja\/tai mutterin kovuus\/HV<\/th>\n<\/tr>\n<tr>\n<th>min<\/th>\n<th>Lyhytaikainen<sup>a<\/sup> maks<\/th>\n<th>Pitk\u00e4aikainen<sup>b<\/sup> maks<\/th>\n<th>Lyhenne<\/th>\n<th>M\u00e4\u00e4r\u00e4<\/th>\n<th>Luokka<\/th>\n<th>Kunto<\/th>\n<th>min<\/th>\n<th>maks<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td rowspan=\"2\">-120\u00b0C<\/td>\n<td rowspan=\"2\">\/<\/td>\n<td rowspan=\"2\">\/<\/td>\n<td rowspan=\"2\">Tietokanta<\/td>\n<td rowspan=\"2\">1.568<\/td>\n<td rowspan=\"2\">X12Ni5<\/td>\n<td>+NT<\/td>\n<td>157<\/td>\n<td>203<\/td>\n<\/tr>\n<tr>\n<td>+QT<\/td>\n<td>173<\/td>\n<td>235<\/td>\n<\/tr>\n<tr>\n<td>\/<\/td>\n<td>400 \u00b0C<\/td>\n<td>500 \u00b0C<\/td>\n<td>Yd<\/td>\n<td>1.1181<\/td>\n<td>C35E<\/td>\n<td>+N<\/td>\n<td>150<\/td>\n<td>200<\/td>\n<\/tr>\n<tr>\n<td>\/<\/td>\n<td>400 \u00b0C<\/td>\n<td>500 \u00b0C<\/td>\n<td>YK<\/td>\n<td>1.1181<\/td>\n<td>C35E<\/td>\n<td>+QT<\/td>\n<td>165<\/td>\n<td>210<\/td>\n<\/tr>\n<tr>\n<td>\/<\/td>\n<td>400 \u00b0C<\/td>\n<td>\/<\/td>\n<td>YB<\/td>\n<td>1.5511<\/td>\n<td>35B2<sup>g<\/sup><\/td>\n<td>+QT<\/td>\n<td>165<\/td>\n<td>210<\/td>\n<\/tr>\n<tr>\n<td>-60\u00b0C<\/td>\n<td>500 \u00b0C<\/td>\n<td>550 \u00b0C<\/td>\n<td>KG<\/td>\n<td>1.7218<\/td>\n<td>25CrMo4<\/td>\n<td>+QT<\/td>\n<td>195<\/td>\n<td>240<\/td>\n<\/tr>\n<tr>\n<td>-100\u00b0C<\/td>\n<td>500 \u00b0C<\/td>\n<td>\/<\/td>\n<td>GC<\/td>\n<td>1.7225<\/td>\n<td>42CrMo4<\/td>\n<td>+QT<\/td>\n<td>275<\/td>\n<td>337<\/td>\n<\/tr>\n<tr>\n<td>\/<\/td>\n<td>500 \u00b0C<\/td>\n<td>550 \u00b0C<\/td>\n<td>GA<\/td>\n<td>1.7709<\/td>\n<td>21CrMoV5-7<\/td>\n<td>+QT<\/td>\n<td>225<\/td>\n<td>272<\/td>\n<\/tr>\n<tr>\n<td>\/<\/td>\n<td>600 \u00b0C<\/td>\n<td>550 \u00b0C<\/td>\n<td>Iso-Britannia<\/td>\n<td>1.7711<\/td>\n<td>40CrMoV46<\/td>\n<td>+QT<\/td>\n<td>272<\/td>\n<td>320<\/td>\n<\/tr>\n<tr>\n<td>\/<\/td>\n<td>550 \u00b0C<\/td>\n<td>600 \u00b0C<\/td>\n<td>Ve<\/td>\n<td>1.4923<\/td>\n<td>X22CrMoV12-1<\/td>\n<td>+QT 1<sup>e<\/sup><\/td>\n<td>256<\/td>\n<td>303<\/td>\n<\/tr>\n<tr>\n<td>\/<\/td>\n<td>550 \u00b0C<\/td>\n<td>600 \u00b0C<\/td>\n<td>VH<sup>f<\/sup><\/td>\n<td>1.4923<\/td>\n<td>X22CrMoV12-1<\/td>\n<td>+QT 2<sup>f<\/sup><\/td>\n<td>287<\/td>\n<td>367<\/td>\n<\/tr>\n<tr>\n<td>\/<\/td>\n<td>600 \u00b0C<\/td>\n<td>600 \u00b0C<\/td>\n<td>VW<\/td>\n<td>1.4913<\/td>\n<td>X19CrMoNbVN11-1<\/td>\n<td>+QT<\/td>\n<td>287<\/td>\n<td>367<\/td>\n<\/tr>\n<tr>\n<td>\/<\/td>\n<td>650 \u00b0C<\/td>\n<td>670\u00b0C<\/td>\n<td>S<\/td>\n<td>1.4986<\/td>\n<td>X7CrNiMoBNb16-16<\/td>\n<td>+WW+P<\/td>\n<td>210<\/td>\n<td>272<\/td>\n<\/tr>\n<tr>\n<td>-196\u00b0C<\/td>\n<td>650 \u00b0C<\/td>\n<td>650 \u00b0C<\/td>\n<td>SD-kortti<\/td>\n<td>1.498<\/td>\n<td>X6NiCrTiMoVB25-15-2<\/td>\n<td>+AT+P<\/td>\n<td>287<\/td>\n<td>367<\/td>\n<\/tr>\n<tr>\n<td>-196\u00b0C<\/td>\n<td>650 \u00b0C<\/td>\n<td>800 \u00b0C<\/td>\n<td>SB<\/td>\n<td>2.4952<\/td>\n<td>NiCr20TiAl<\/td>\n<td>+AT+P<\/td>\n<td>320<\/td>\n<td>417<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p><sup>a<\/sup> My\u00f6t\u00f6raja ja vetolujuus.<br \/>\n<sup>b<\/sup> Virumis- ja murtolujuuden l\u00e4mp\u00f6tilaraja.<br \/>\n<sup>c<\/sup> Olosuhteet standardin DIN EN 10269 taulukon 4 mukaisesti: +N (normalisoitu), +NT (normalisoitu ja p\u00e4\u00e4stetty), +QT (sammutettu ja p\u00e4\u00e4stetty), +WW (l\u00e4mminmuokattu), +AT (liuoshehkutettu), +P (erkautuslujitettu).<br \/>\n<sup>d<\/sup> Vain p\u00e4hkin\u00f6ille.<br \/>\n<sup>e<\/sup> V DIN EN 10269 mukaan, Rp0,2 \u2265600 N\/mm\u00b2 (+QT1).<br \/>\n<sup>f<\/sup> VH DIN EN 10269 mukaan, Rp0,2 \u2265600 N\/mm\u00b2 (+QT2).<br \/>\n<sup>g<\/sup> Katso VdTUV WB 490.<\/p>\n<\/div>\n<div class=\"section\">\n<h2>Kantavuus<\/h2>\n<p>Kuormitusarvot varmistavat, ett\u00e4 kiinnittimet kest\u00e4v\u00e4t k\u00e4ytt\u00f6rasitukset. K\u00e4yt\u00e4 suunnittelun todentamiseen.<\/p>\n<h3 style=\"font-size: 18px; color: #555;\">Karkeakierteisten pulttien v\u00e4himm\u00e4isvetokuormitukset<\/h3>\n<p>Taulukko 4a: A<sub>s,nom<\/sub> \u00d7 R<sub>m, min<\/sub> \/kN<\/p>\n<div class=\"table-container\" style=\"overflow-x: auto; width: 100%;\">\n<table style=\"width: 100%;\">\n<thead>\n<tr>\n<th rowspan=\"3\">Kierteen koko d<\/th>\n<th rowspan=\"3\">J\u00e4nnitysalue A<sub>s,nom<\/sub> \/mm\u00b2<\/th>\n<th colspan=\"2\">Austeniittinen ruostumaton ter\u00e4slaatu<\/th>\n<th colspan=\"11\">Ter\u00e4s- ja nikkeliseokset<\/th>\n<\/tr>\n<tr>\n<th rowspan=\"2\">50<\/th>\n<th rowspan=\"2\">70<\/th>\n<th rowspan=\"2\">Tietokanta<\/th>\n<th>YK<\/th>\n<th rowspan=\"2\">KG<\/th>\n<th rowspan=\"2\">GA<\/th>\n<th rowspan=\"2\">Iso-Britannia<\/th>\n<th rowspan=\"2\">GC<\/th>\n<th rowspan=\"2\">V<\/th>\n<th>VH<\/th>\n<th rowspan=\"2\">S<\/th>\n<th rowspan=\"2\">SD-kortti<\/th>\n<th rowspan=\"2\">SB<\/th>\n<\/tr>\n<tr>\n<th>YB<\/th>\n<th>VW<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>M3<\/td>\n<td>5.03<\/td>\n<td>2.52<\/td>\n<td>3.52<\/td>\n<td>2.67<\/td>\n<td>2.52<\/td>\n<td>3.02<\/td>\n<td>3.52<\/td>\n<td>4.28<\/td>\n<td>4.33<\/td>\n<td>4.02<\/td>\n<td>4.53<\/td>\n<td>3.27<\/td>\n<td>4.53<\/td>\n<td>5.03<\/td>\n<\/tr>\n<tr>\n<td>M3.5<\/td>\n<td>6.78<\/td>\n<td>3.39<\/td>\n<td>4.75<\/td>\n<td>3.59<\/td>\n<td>3.39<\/td>\n<td>4.07<\/td>\n<td>4.75<\/td>\n<td>5.76<\/td>\n<td>5.83<\/td>\n<td>5.42<\/td>\n<td>6.1<\/td>\n<td>4.41<\/td>\n<td>6.1<\/td>\n<td>6.78<\/td>\n<\/tr>\n<tr>\n<td>M4<\/td>\n<td>8.78<\/td>\n<td>4.39<\/td>\n<td>6.15<\/td>\n<td>4.65<\/td>\n<td>4.39<\/td>\n<td>5.27<\/td>\n<td>6.15<\/td>\n<td>7.46<\/td>\n<td>7.55<\/td>\n<td>7.02<\/td>\n<td>7.9<\/td>\n<td>5.71<\/td>\n<td>7.9<\/td>\n<td>8.78<\/td>\n<\/tr>\n<tr>\n<td>M5<\/td>\n<td>14.2<\/td>\n<td>7.1<\/td>\n<td>9.94<\/td>\n<td>7.53<\/td>\n<td>7.1<\/td>\n<td>8.52<\/td>\n<td>9.94<\/td>\n<td>12.1<\/td>\n<td>12.2<\/td>\n<td>11.4<\/td>\n<td>12.8<\/td>\n<td>9.23<\/td>\n<td>12.8<\/td>\n<td>14.2<\/td>\n<\/tr>\n<tr>\n<td>M6<\/td>\n<td>20.1<\/td>\n<td>10.1<\/td>\n<td>14.1<\/td>\n<td>10.7<\/td>\n<td>10.1<\/td>\n<td>12.1<\/td>\n<td>14.1<\/td>\n<td>17.1<\/td>\n<td>17.3<\/td>\n<td>16.1<\/td>\n<td>18.1<\/td>\n<td>13.1<\/td>\n<td>18.1<\/td>\n<td>20.1<\/td>\n<\/tr>\n<tr>\n<td>M7<\/td>\n<td>28.9<\/td>\n<td>14.5<\/td>\n<td>20.2<\/td>\n<td>15.3<\/td>\n<td>14.5<\/td>\n<td>17.3<\/td>\n<td>20.2<\/td>\n<td>24.6<\/td>\n<td>24.9<\/td>\n<td>23.1<\/td>\n<td>26<\/td>\n<td>18.8<\/td>\n<td>26<\/td>\n<td>28.9<\/td>\n<\/tr>\n<tr>\n<td>M8<\/td>\n<td>36.6<\/td>\n<td>18.3<\/td>\n<td>25.6<\/td>\n<td>19.4<\/td>\n<td>18.3<\/td>\n<td>22<\/td>\n<td>25.6<\/td>\n<td>31.1<\/td>\n<td>31.5<\/td>\n<td>29.3<\/td>\n<td>32.9<\/td>\n<td>23.8<\/td>\n<td>32.9<\/td>\n<td>36.6<\/td>\n<\/tr>\n<tr>\n<td>M10<\/td>\n<td>58<\/td>\n<td>29<\/td>\n<td>40.6<\/td>\n<td>30.7<\/td>\n<td>29<\/td>\n<td>34.8<\/td>\n<td>40.6<\/td>\n<td>49.3<\/td>\n<td>49.9<\/td>\n<td>46.4<\/td>\n<td>52.2<\/td>\n<td>37.7<\/td>\n<td>52.2<\/td>\n<td>58<\/td>\n<\/tr>\n<tr>\n<td>M12<\/td>\n<td>84.3<\/td>\n<td>42.2<\/td>\n<td>59<\/td>\n<td>44.7<\/td>\n<td>42.2<\/td>\n<td>50.6<\/td>\n<td>59<\/td>\n<td>71.7<\/td>\n<td>72.5<\/td>\n<td>67.4<\/td>\n<td>75.9<\/td>\n<td>54.8<\/td>\n<td>75.9<\/td>\n<td>84.3<\/td>\n<\/tr>\n<tr>\n<td>M14<\/td>\n<td>115<\/td>\n<td>57.5<\/td>\n<td>80.5<\/td>\n<td>61<\/td>\n<td>57.5<\/td>\n<td>69<\/td>\n<td>80.5<\/td>\n<td>97.8<\/td>\n<td>98.9<\/td>\n<td>92<\/td>\n<td>104<\/td>\n<td>74.8<\/td>\n<td>104<\/td>\n<td>115<\/td>\n<\/tr>\n<tr>\n<td>M16<\/td>\n<td>157<\/td>\n<td>78.5<\/td>\n<td>110<\/td>\n<td>83.2<\/td>\n<td>78.5<\/td>\n<td>94.2<\/td>\n<td>110<\/td>\n<td>133<\/td>\n<td>135<\/td>\n<td>126<\/td>\n<td>141<\/td>\n<td>102<\/td>\n<td>141<\/td>\n<td>157<\/td>\n<\/tr>\n<tr>\n<td>M18<\/td>\n<td>192<\/td>\n<td>96<\/td>\n<td>134<\/td>\n<td>102<\/td>\n<td>96<\/td>\n<td>115<\/td>\n<td>134<\/td>\n<td>163<\/td>\n<td>165<\/td>\n<td>154<\/td>\n<td>173<\/td>\n<td>125<\/td>\n<td>173<\/td>\n<td>192<\/td>\n<\/tr>\n<tr>\n<td>M20<\/td>\n<td>245<\/td>\n<td>123<\/td>\n<td>172<\/td>\n<td>130<\/td>\n<td>123<\/td>\n<td>147<\/td>\n<td>172<\/td>\n<td>208<\/td>\n<td>211<\/td>\n<td>196<\/td>\n<td>221<\/td>\n<td>159<\/td>\n<td>221<\/td>\n<td>245<\/td>\n<\/tr>\n<tr>\n<td>M22<\/td>\n<td>303<\/td>\n<td>152<\/td>\n<td>212<\/td>\n<td>161<\/td>\n<td>152<\/td>\n<td>182<\/td>\n<td>212<\/td>\n<td>258<\/td>\n<td>261<\/td>\n<td>242<\/td>\n<td>273<\/td>\n<td>197<\/td>\n<td>273<\/td>\n<td>303<\/td>\n<\/tr>\n<tr>\n<td>M24<\/td>\n<td>353<\/td>\n<td>177<\/td>\n<td>247<\/td>\n<td>187<\/td>\n<td>177<\/td>\n<td>212<\/td>\n<td>247<\/td>\n<td>300<\/td>\n<td>304<\/td>\n<td>282<\/td>\n<td>318<\/td>\n<td>229<\/td>\n<td>318<\/td>\n<td>353<\/td>\n<\/tr>\n<tr>\n<td>M27<\/td>\n<td>459<\/td>\n<td>230<\/td>\n<td>\/<\/td>\n<td>243<\/td>\n<td>230<\/td>\n<td>275<\/td>\n<td>321<\/td>\n<td>390<\/td>\n<td>395<\/td>\n<td>367<\/td>\n<td>413<\/td>\n<td>298<\/td>\n<td>413<\/td>\n<td>459<\/td>\n<\/tr>\n<tr>\n<td>M30<\/td>\n<td>561<\/td>\n<td>281<\/td>\n<td>\/<\/td>\n<td>297<\/td>\n<td>281<\/td>\n<td>337<\/td>\n<td>393<\/td>\n<td>477<\/td>\n<td>482<\/td>\n<td>449<\/td>\n<td>505<\/td>\n<td>365<\/td>\n<td>505<\/td>\n<td>561<\/td>\n<\/tr>\n<tr>\n<td>M33<\/td>\n<td>694<\/td>\n<td>347<\/td>\n<td>\/<\/td>\n<td>368<\/td>\n<td>347<\/td>\n<td>416<\/td>\n<td>486<\/td>\n<td>590<\/td>\n<td>597<\/td>\n<td>555<\/td>\n<td>625<\/td>\n<td>451<\/td>\n<td>625<\/td>\n<td>694<\/td>\n<\/tr>\n<tr>\n<td>M36<\/td>\n<td>817<\/td>\n<td>409<\/td>\n<td>\/<\/td>\n<td>433<\/td>\n<td>409<\/td>\n<td>490<\/td>\n<td>572<\/td>\n<td>694<\/td>\n<td>703<\/td>\n<td>654<\/td>\n<td>735<\/td>\n<td>531<\/td>\n<td>735<\/td>\n<td>817<\/td>\n<\/tr>\n<tr>\n<td>M39<\/td>\n<td>976<\/td>\n<td>488<\/td>\n<td>\/<\/td>\n<td>517<\/td>\n<td>488<\/td>\n<td>586<\/td>\n<td>683<\/td>\n<td>830<\/td>\n<td>839<\/td>\n<td>781<\/td>\n<td>878<\/td>\n<td>634<\/td>\n<td>878<\/td>\n<td>976<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<div class=\"section\">\n<h2>Pulttiliitosten kantavuus<\/h2>\n<p>T\u00e4yden kapasiteetin saavuttamiseksi: T\u00e4yden kapasiteetin pulttien ja muttereiden yhteensovittaminen sopivilla korkeuksilla (tyyppi 1 karkealle, tyyppi 2 hienolle), kierretoleransseilla ja lujuussuhteilla. Vetoluokissa murtuman on tapahduttava kierteett\u00f6miss\u00e4 osissa standardin GB\/T 3098.1 tai 3098.6 mukaisesti. Kavennustapit GB\/T 13807.2\/3 mukaisesti ja toleranssit GB\/T 3103.4 mukaisesti.<\/p>\n<ol>\n<li>Suorita vetokokeet v\u00e4himm\u00e4iskuormien varmistamiseksi.<\/li>\n<li>Varmista, ett\u00e4 mutterin korkeus t\u00e4ytt\u00e4\u00e4 kuorman jakautumista koskevat tyyppivaatimukset.<\/li>\n<li>Yhdist\u00e4 materiaalit v\u00e4ltt\u00e4\u00e4ksesi heikkoja lenkkej\u00e4 kokoonpanossa.<\/li>\n<\/ol>\n<\/div>\n<div class=\"section\" style=\"background-color: #f9f9f9; padding: 20px; border-radius: 5px;\">\n<h2>Usein kysytyt kysymykset<\/h2>\n<h3 style=\"font-size: 16px; margin-bottom: 5px;\">Mitk\u00e4 materiaalit sopivat -200 \u00b0C:n l\u00e4mp\u00f6tilaan?<\/h3>\n<p>Austeniittiset ter\u00e4kset, kuten A4L, A4, A5, joiden lujuusluokka on 70 tai 80, varmistavat taulukon 1 mukaisen sitkeyden ja sitkeyden.<\/p>\n<h3 style=\"font-size: 16px; margin-bottom: 5px;\">Miten valita sopivat pultit ja mutterit korkeisiin l\u00e4mp\u00f6tiloihin?<\/h3>\n<p>K\u00e4yt\u00e4 taulukkoa 3 rationaalisten parien valintaan varmistaen, ett\u00e4 pultin mutterin lujuus on &gt;70% ja ett\u00e4 kierteiden toleranssit ovat oikeat t\u00e4yden kapasiteetin saavuttamiseksi.<\/p>\n<h3 style=\"font-size: 16px; margin-bottom: 5px;\">Ent\u00e4 jos k\u00e4ytt\u00f6l\u00e4mp\u00f6tila ylitt\u00e4\u00e4 +700 \u00b0C?<\/h3>\n<p>Standardin raja on +700 \u00b0C; korkeammille l\u00e4mp\u00f6tiloille on suoritettava erityiset virumis- ja relaksaatiokokeet DIN EN 10269 -ohjeiden mukaisesti.<\/p>\n<h3 style=\"font-size: 16px; margin-bottom: 5px;\">Miksi austeniittisilla muttereilla on korkeampi vetolujuus?<\/h3>\n<p>Pienten erien valmistusvaihteluiden huomioon ottamiseksi ja luotettavuuden varmistamiseksi k\u00e4ytett\u00e4ess\u00e4 pehme\u00e4mpi\u00e4 pultteja (katso taulukon 3 huomautus b).<\/p>\n<h3 style=\"font-size: 16px; margin-bottom: 5px;\">Miten t\u00e4ysi kuormankantokyky testataan?<\/h3>\n<p>Suorita vetokokeet standardin GB\/T 3098.1 tai 3098.6 mukaisesti ja varmista murtuman sijainti ja v\u00e4himm\u00e4iskuormat taulukoista 4a\/5a.<\/p>\n<h3 style=\"font-size: 16px; margin-bottom: 5px;\">Onko kuparin pitoisuudelle rajoituksia?<\/h3>\n<p>Kyll\u00e4, \u22641% austeniittisille ter\u00e4ksille haurastumisen est\u00e4miseksi matalissa l\u00e4mp\u00f6tiloissa.<\/p>\n<\/div>\n<p>&nbsp;<\/p>","protected":false},"excerpt":{"rendered":"<p>Introduction to GB\/T 3098.8 Standard This standard outlines mechanical properties, materials, inspection, identification, and marking for bolted connection parts operating in extreme temperatures from -200\u00b0C to +700\u00b0C. It ensures reliability in applications such as pressure vessels, boilers, and high-temperature machinery, supplementing standards like GB\/T 3098.1, GB\/T 3098.6, and DIN EN 10269. Scope GB\/T 3098.8-2010 specifies [&hellip;]<\/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-5705","post","type-post","status-publish","format-standard","hentry","category-technical-documentation-and-references"],"_links":{"self":[{"href":"https:\/\/korea-transmission.com\/fi\/wp-json\/wp\/v2\/posts\/5705","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/korea-transmission.com\/fi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/korea-transmission.com\/fi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/korea-transmission.com\/fi\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/korea-transmission.com\/fi\/wp-json\/wp\/v2\/comments?post=5705"}],"version-history":[{"count":2,"href":"https:\/\/korea-transmission.com\/fi\/wp-json\/wp\/v2\/posts\/5705\/revisions"}],"predecessor-version":[{"id":5707,"href":"https:\/\/korea-transmission.com\/fi\/wp-json\/wp\/v2\/posts\/5705\/revisions\/5707"}],"wp:attachment":[{"href":"https:\/\/korea-transmission.com\/fi\/wp-json\/wp\/v2\/media?parent=5705"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/korea-transmission.com\/fi\/wp-json\/wp\/v2\/categories?post=5705"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/korea-transmission.com\/fi\/wp-json\/wp\/v2\/tags?post=5705"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}