{"id":477,"date":"2025-11-17T04:00:44","date_gmt":"2025-11-17T04:00:44","guid":{"rendered":"http:\/\/www.songhaiflange.com\/?post_type=product&p=477"},"modified":"2025-11-17T04:00:44","modified_gmt":"2025-11-17T04:00:44","slug":"Weld-Neck-Flanges","status":"publish","type":"product","link":"https:\/\/www.songhaiflange.com\/zh\/product\/Weld-Neck-Flanges\/","title":{"rendered":"\u710a\u9888\u6cd5\u5170"},"content":{"rendered":"
\n

\u6211\u4eec\u7684\u710a\u9888\u6cd5\u5170\u4e13\u4e3a\u9ad8\u538b\u548c\u9ad8\u6e29\u5e94\u7528\u800c\u8bbe\u8ba1\u3002\u5236\u9020\u516c\u5dee\u7cbe\u786e\uff0c\u7b26\u5408 ANSI\u3001ASTM\u3001DIN \u548c JIS \u6807\u51c6\u3002<\/p>\n

\/\/\/Class 150\/\/\/<\/strong><\/h3>\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
\u6807\u79f0\u5c3a\u5bf8<\/th>\n<\/td>\n\u94a2\u7ba1\u5916\u5f84<\/th>\n\u8fde\u63a5\u5c3a\u5bf8<\/th>\n<\/td>\n<\/td>\n<\/td>\n<\/td>\n\u6cd5\u5170\u539a\u5ea6<\/th>\n\u6cd5\u5170\u5185\u5f84<\/th>\n\u6cd5\u5170\u9888\u5927\u7aef<\/th>\n\u6cd5\u5170\u9ad8\u5ea6<\/th>\n<\/tr>\n<\/thead>\n
DN<\/td>\nNPS<\/td>\nA<\/td>\n\u6cd5\u5170\u5916\u5f84 D<\/td>\n\u4e2d\u5fc3\u5706\u76f4\u5f84 K<\/td>\n\u87ba\u6813\u5b54\u76f4\u5f84 L<\/td>\n\u87ba\u6813\u5b54\u6570\u91cf n<\/td>\n\u87ba\u6813 Th<\/td>\nC<\/td>\nB<\/td>\nN<\/td>\nH<\/td>\n<\/tr>\n
15<\/td>\n1\/2<\/td>\n21.3<\/td>\n90<\/td>\n60.3<\/td>\n16<\/td>\n4<\/td>\nM14<\/td>\n9.6<\/td>\n15.5<\/td>\n30<\/td>\n46<\/td>\n<\/tr>\n
20<\/td>\n3\/4<\/td>\n26.9<\/td>\n100<\/td>\n69.9<\/td>\n16<\/td>\n4<\/td>\nM14<\/td>\n11.2<\/td>\n21<\/td>\n38<\/td>\n51<\/td>\n<\/tr>\n
25<\/td>\n1<\/td>\n33.7<\/td>\n110<\/td>\n79.4<\/td>\n16<\/td>\n4<\/td>\nM14<\/td>\n12.7<\/td>\n27<\/td>\n49<\/td>\n54<\/td>\n<\/tr>\n
32<\/td>\n1 1\/4<\/td>\n42.4<\/td>\n115<\/td>\n88.9<\/td>\n16<\/td>\n4<\/td>\nM14<\/td>\n14.3<\/td>\n35<\/td>\n59<\/td>\n56<\/td>\n<\/tr>\n
40<\/td>\n1 1\/2<\/td>\n48.3<\/td>\n125<\/td>\n98.4<\/td>\n16<\/td>\n4<\/td>\nM14<\/td>\n15.9<\/td>\n41<\/td>\n65<\/td>\n60<\/td>\n<\/tr>\n
50<\/td>\n2<\/td>\n60.3<\/td>\n150<\/td>\n120.7<\/td>\n18<\/td>\n4<\/td>\nM16<\/td>\n17.5<\/td>\n52<\/td>\n78<\/td>\n62<\/td>\n<\/tr>\n
65<\/td>\n2 1\/2<\/td>\n76.1<\/td>\n180<\/td>\n139.7<\/td>\n18<\/td>\n4<\/td>\nM16<\/td>\n20.7<\/td>\n66<\/td>\n90<\/td>\n68<\/td>\n<\/tr>\n
80<\/td>\n3<\/td>\n88.9<\/td>\n190<\/td>\n152.4<\/td>\n18<\/td>\n4<\/td>\nM16<\/td>\n22.3<\/td>\n77.5<\/td>\n108<\/td>\n68<\/td>\n<\/tr>\n
100<\/td>\n4<\/td>\n114.3<\/td>\n230<\/td>\n190.5<\/td>\n18<\/td>\n8<\/td>\nM16<\/td>\n22.3<\/td>\n101.5<\/td>\n135<\/td>\n75<\/td>\n<\/tr>\n
125<\/td>\n5<\/td>\n139.7<\/td>\n255<\/td>\n215.9<\/td>\n22<\/td>\n8<\/td>\nM20<\/td>\n22.3<\/td>\n127<\/td>\n164<\/td>\n87<\/td>\n<\/tr>\n
150<\/td>\n6<\/td>\n168.3<\/td>\n280<\/td>\n241.3<\/td>\n22<\/td>\n8<\/td>\nM20<\/td>\n23.9<\/td>\n154<\/td>\n192<\/td>\n87<\/td>\n<\/tr>\n
200<\/td>\n8<\/td>\n219.1<\/td>\n345<\/td>\n298.5<\/td>\n22<\/td>\n8<\/td>\nM20<\/td>\n27<\/td>\n203<\/td>\n246<\/td>\n100<\/td>\n<\/tr>\n
250<\/td>\n10<\/td>\n273<\/td>\n405<\/td>\n362<\/td>\n26<\/td>\n12<\/td>\nM24<\/td>\n28.6<\/td>\n255<\/td>\n305<\/td>\n100<\/td>\n<\/tr>\n
300<\/td>\n12<\/td>\n323.9<\/td>\n485<\/td>\n431.8<\/td>\n26<\/td>\n12<\/td>\nM24<\/td>\n30.2<\/td>\n303.5<\/td>\n365<\/td>\n113<\/td>\n<\/tr>\n
350<\/td>\n14<\/td>\n355.6<\/td>\n535<\/td>\n476.3<\/td>\n30<\/td>\n12<\/td>\nM27<\/td>\n33.4<\/td>\n&\/8211;<\/td>\n400<\/td>\n125<\/td>\n<\/tr>\n
400<\/td>\n16<\/td>\n406.4<\/td>\n595<\/td>\n539.8<\/td>\n30<\/td>\n16<\/td>\nM27<\/td>\n35<\/td>\n&\/8211;<\/td>\n457<\/td>\n125<\/td>\n<\/tr>\n
450<\/td>\n18<\/td>\n457<\/td>\n635<\/td>\n577.9<\/td>\n33<\/td>\n16<\/td>\nM30<\/td>\n38.1<\/td>\n&\/8211;<\/td>\n505<\/td>\n138<\/td>\n<\/tr>\n
500<\/td>\n20<\/td>\n508<\/td>\n700<\/td>\n635<\/td>\n33<\/td>\n20<\/td>\nM30<\/td>\n41.3<\/td>\n&\/8211;<\/td>\n559<\/td>\n143<\/td>\n<\/tr>\n
600<\/td>\n24<\/td>\n610<\/td>\n815<\/td>\n749.3<\/td>\n36<\/td>\n20<\/td>\nM33<\/td>\n46.1<\/td>\n&\/8211;<\/td>\n663<\/td>\n151<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\/\/\/Class 300\/\/\/<\/strong><\/h3>\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
\u6807\u79f0\u5c3a\u5bf8<\/th>\n<\/td>\n\u94a2\u7ba1\u5916\u5f84<\/th>\n\u8fde\u63a5\u5c3a\u5bf8<\/th>\n<\/td>\n<\/td>\n<\/td>\n<\/td>\n\u6cd5\u5170\u539a\u5ea6<\/th>\n\u6cd5\u5170\u5185\u5f84<\/th>\n\u6cd5\u5170\u9888\u5927\u7aef<\/th>\n\u6cd5\u5170\u9ad8\u5ea6<\/th>\n<\/tr>\n<\/thead>\n
DN<\/td>\nNPS<\/td>\nA<\/td>\n\u6cd5\u5170\u5916\u5f84 D<\/td>\n\u4e2d\u5fc3\u5706\u76f4\u5f84 K<\/td>\n\u87ba\u6813\u5b54\u76f4\u5f84 L<\/td>\n\u87ba\u6813\u5b54\u6570\u91cf n<\/td>\n\u87ba\u6813 Th<\/td>\nC<\/td>\nB<\/td>\nN<\/td>\nH<\/td>\n<\/tr>\n
15<\/td>\n1\/2<\/td>\n21.3<\/td>\n95<\/td>\n66.7<\/td>\n16<\/td>\n4<\/td>\nM14<\/td>\n12.7<\/td>\n15.5<\/td>\n38<\/td>\n51<\/td>\n<\/tr>\n
20<\/td>\n3\/4<\/td>\n26.9<\/td>\n115<\/td>\n82.6<\/td>\n18<\/td>\n4<\/td>\nM16<\/td>\n14.3<\/td>\n21<\/td>\n48<\/td>\n56<\/td>\n<\/tr>\n
25<\/td>\n1<\/td>\n33.7<\/td>\n125<\/td>\n88.9<\/td>\n18<\/td>\n4<\/td>\nM16<\/td>\n15.9<\/td>\n27<\/td>\n54<\/td>\n60<\/td>\n<\/tr>\n
32<\/td>\n1 1\/4<\/td>\n42.4<\/td>\n135<\/td>\n98.4<\/td>\n18<\/td>\n4<\/td>\nM16<\/td>\n17.5<\/td>\n35<\/td>\n64<\/td>\n64<\/td>\n<\/tr>\n
40<\/td>\n1 1\/2<\/td>\n48.3<\/td>\n155<\/td>\n114.3<\/td>\n22<\/td>\n4<\/td>\nM20<\/td>\n19.1<\/td>\n41<\/td>\n70<\/td>\n67<\/td>\n<\/tr>\n
50<\/td>\n2<\/td>\n60.3<\/td>\n165<\/td>\n127<\/td>\n18<\/td>\n8<\/td>\nM16<\/td>\n20.7<\/td>\n52<\/td>\n84<\/td>\n68<\/td>\n<\/tr>\n
65<\/td>\n2 1\/2<\/td>\n76.1<\/td>\n190<\/td>\n149.2<\/td>\n22<\/td>\n8<\/td>\nM20<\/td>\n23.9<\/td>\n66<\/td>\n100<\/td>\n75<\/td>\n<\/tr>\n
80<\/td>\n3<\/td>\n88.9<\/td>\n210<\/td>\n168.3<\/td>\n22<\/td>\n8<\/td>\nM20<\/td>\n27<\/td>\n77.5<\/td>\n117<\/td>\n78<\/td>\n<\/tr>\n
100<\/td>\n4<\/td>\n114.3<\/td>\n255<\/td>\n200<\/td>\n22<\/td>\n8<\/td>\nM20<\/td>\n30.2<\/td>\n101.5<\/td>\n146<\/td>\n84<\/td>\n<\/tr>\n
125<\/td>\n5<\/td>\n139.7<\/td>\n280<\/td>\n235<\/td>\n22<\/td>\n8<\/td>\nM20<\/td>\n33.4<\/td>\n127<\/td>\n178<\/td>\n97<\/td>\n<\/tr>\n
150<\/td>\n6<\/td>\n168.3<\/td>\n320<\/td>\n269.9<\/td>\n22<\/td>\n12<\/td>\nM20<\/td>\n35<\/td>\n154<\/td>\n206<\/td>\n97<\/td>\n<\/tr>\n
200<\/td>\n8<\/td>\n219.1<\/td>\n380<\/td>\n330.2<\/td>\n26<\/td>\n12<\/td>\nM24<\/td>\n39.7<\/td>\n203<\/td>\n260<\/td>\n110<\/td>\n<\/tr>\n
250<\/td>\n10<\/td>\n273<\/td>\n445<\/td>\n387.4<\/td>\n30<\/td>\n16<\/td>\nM27<\/td>\n46.1<\/td>\n255<\/td>\n321<\/td>\n116<\/td>\n<\/tr>\n
300<\/td>\n12<\/td>\n323.9<\/td>\n520<\/td>\n450.8<\/td>\n33<\/td>\n16<\/td>\nM30<\/td>\n49.3<\/td>\n303.5<\/td>\n375<\/td>\n129<\/td>\n<\/tr>\n
350<\/td>\n14<\/td>\n355.6<\/td>\n585<\/td>\n514.4<\/td>\n33<\/td>\n20<\/td>\nM30<\/td>\n52.4<\/td>\n&\/8211;<\/td>\n425<\/td>\n141<\/td>\n<\/tr>\n
400<\/td>\n16<\/td>\n406.4<\/td>\n650<\/td>\n571.5<\/td>\n36<\/td>\n20<\/td>\nM33<\/td>\n55.6<\/td>\n&\/8211;<\/td>\n483<\/td>\n144<\/td>\n<\/tr>\n
450<\/td>\n18<\/td>\n457<\/td>\n710<\/td>\n628.6<\/td>\n36<\/td>\n24<\/td>\nM33<\/td>\n58.8<\/td>\n&\/8211;<\/td>\n533<\/td>\n157<\/td>\n<\/tr>\n
500<\/td>\n20<\/td>\n508<\/td>\n775<\/td>\n685.8<\/td>\n36<\/td>\n24<\/td>\nM33<\/td>\n62<\/td>\n&\/8211;<\/td>\n587<\/td>\n160<\/td>\n<\/tr>\n
600<\/td>\n24<\/td>\n610<\/td>\n915<\/td>\n812.8<\/td>\n42<\/td>\n24<\/td>\nM39X3<\/td>\n68.3<\/td>\n&\/8211;<\/td>\n702<\/td>\n167<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\/\/\/Class 600\/\/\/<\/strong><\/h3>\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
\u6807\u79f0\u5c3a\u5bf8<\/th>\n<\/td>\n\u94a2\u7ba1\u5916\u5f84<\/th>\n\u8fde\u63a5\u5c3a\u5bf8<\/th>\n<\/td>\n<\/td>\n<\/td>\n<\/td>\n\u6cd5\u5170\u539a\u5ea6<\/th>\n\u6cd5\u5170\u5185\u5f84<\/th>\n\u6cd5\u5170\u9888\u5927\u7aef<\/th>\n\u6cd5\u5170\u9ad8\u5ea6<\/th>\n<\/tr>\n<\/thead>\n
DN<\/td>\nNPS<\/td>\nA<\/td>\n\u6cd5\u5170\u5916\u5f84 D<\/td>\n\u4e2d\u5fc3\u5706\u76f4\u5f84 K<\/td>\n\u87ba\u6813\u5b54\u76f4\u5f84 L<\/td>\n\u87ba\u6813\u5b54\u6570\u91cf n<\/td>\n\u87ba\u6813 Th<\/td>\nC<\/td>\nB<\/td>\nN<\/td>\nH<\/td>\n<\/tr>\n
15<\/td>\n1\/2<\/td>\n21.3<\/td>\n95<\/td>\n66.7<\/td>\n16<\/td>\n4<\/td>\nM14<\/td>\n14.3<\/td>\n&\/8211;<\/td>\n38<\/td>\n52<\/td>\n<\/tr>\n
20<\/td>\n3\/4<\/td>\n26.9<\/td>\n115<\/td>\n82.6<\/td>\n18<\/td>\n4<\/td>\nM16<\/td>\n15.9<\/td>\n&\/8211;<\/td>\n48<\/td>\n57<\/td>\n<\/tr>\n
25<\/td>\n1<\/td>\n33.7<\/td>\n125<\/td>\n88.9<\/td>\n18<\/td>\n4<\/td>\nM16<\/td>\n17.5<\/td>\n&\/8211;<\/td>\n54<\/td>\n62<\/td>\n<\/tr>\n
32<\/td>\n1 1\/4<\/td>\n42.4<\/td>\n135<\/td>\n98.4<\/td>\n18<\/td>\n4<\/td>\nM16<\/td>\n20.7<\/td>\n&\/8211;<\/td>\n64<\/td>\n67<\/td>\n<\/tr>\n
40<\/td>\n1 1\/2<\/td>\n48.3<\/td>\n155<\/td>\n114.3<\/td>\n22<\/td>\n4<\/td>\nM20<\/td>\n22.3<\/td>\n&\/8211;<\/td>\n70<\/td>\n70<\/td>\n<\/tr>\n
50<\/td>\n2<\/td>\n60.3<\/td>\n165<\/td>\n127<\/td>\n18<\/td>\n8<\/td>\nM16<\/td>\n25.4<\/td>\n&\/8211;<\/td>\n84<\/td>\n73<\/td>\n<\/tr>\n
65<\/td>\n2 1\/2<\/td>\n76.1<\/td>\n190<\/td>\n149.2<\/td>\n22<\/td>\n8<\/td>\nM20<\/td>\n28.6<\/td>\n&\/8211;<\/td>\n100<\/td>\n79<\/td>\n<\/tr>\n
80<\/td>\n3<\/td>\n88.9<\/td>\n210<\/td>\n168.3<\/td>\n22<\/td>\n8<\/td>\nM20<\/td>\n31.8<\/td>\n&\/8211;<\/td>\n117<\/td>\n83<\/td>\n<\/tr>\n
100<\/td>\n4<\/td>\n114.3<\/td>\n275<\/td>\n215.9<\/td>\n26<\/td>\n8<\/td>\nM24<\/td>\n38.1<\/td>\n&\/8211;<\/td>\n152<\/td>\n102<\/td>\n<\/tr>\n
125<\/td>\n5<\/td>\n139.7<\/td>\n330<\/td>\n266.7<\/td>\n30<\/td>\n8<\/td>\nM27<\/td>\n44.5<\/td>\n&\/8211;<\/td>\n189<\/td>\n114<\/td>\n<\/tr>\n
150<\/td>\n6<\/td>\n168.3<\/td>\n355<\/td>\n292.1<\/td>\n30<\/td>\n12<\/td>\nM27<\/td>\n47.7<\/td>\n&\/8211;<\/td>\n222<\/td>\n117<\/td>\n<\/tr>\n
200<\/td>\n8<\/td>\n219.1<\/td>\n420<\/td>\n349.2<\/td>\n33<\/td>\n12<\/td>\nM30<\/td>\n55.6<\/td>\n&\/8211;<\/td>\n273<\/td>\n133<\/td>\n<\/tr>\n
250<\/td>\n10<\/td>\n273<\/td>\n510<\/td>\n431.8<\/td>\n36<\/td>\n16<\/td>\nM33<\/td>\n63.5<\/td>\n&\/8211;<\/td>\n343<\/td>\n152<\/td>\n<\/tr>\n
300<\/td>\n12<\/td>\n323.9<\/td>\n560<\/td>\n489<\/td>\n36<\/td>\n20<\/td>\nM33<\/td>\n66.7<\/td>\n&\/8211;<\/td>\n400<\/td>\n156<\/td>\n<\/tr>\n
350<\/td>\n14<\/td>\n355.6<\/td>\n605<\/td>\n527<\/td>\n39<\/td>\n20<\/td>\nM36X3<\/td>\n69.9<\/td>\n&\/8211;<\/td>\n432<\/td>\n165<\/td>\n<\/tr>\n
400<\/td>\n16<\/td>\n406.4<\/td>\n685<\/td>\n603.2<\/td>\n42<\/td>\n20<\/td>\nM39X3<\/td>\n76.2<\/td>\n&\/8211;<\/td>\n495<\/td>\n178<\/td>\n<\/tr>\n
450<\/td>\n18<\/td>\n457<\/td>\n745<\/td>\n654<\/td>\n45<\/td>\n20<\/td>\nM42X3<\/td>\n82.6<\/td>\n&\/8211;<\/td>\n546<\/td>\n184<\/td>\n<\/tr>\n
500<\/td>\n20<\/td>\n508<\/td>\n815<\/td>\n723.9<\/td>\n45<\/td>\n24<\/td>\nM42X3<\/td>\n88.9<\/td>\n&\/8211;<\/td>\n610<\/td>\n190<\/td>\n<\/tr>\n
600<\/td>\n24<\/td>\n610<\/td>\n940<\/td>\n838.2<\/td>\n51<\/td>\n24<\/td>\nM48X3<\/td>\n101.6<\/td>\n&\/8211;<\/td>\n718<\/td>\n203<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\/\/\/Class 900\/\/\/<\/strong><\/h3>\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
\u6807\u79f0\u5c3a\u5bf8<\/th>\n<\/td>\n\u94a2\u7ba1\u5916\u5f84<\/th>\n\u8fde\u63a5\u5c3a\u5bf8<\/th>\n<\/td>\n<\/td>\n<\/td>\n<\/td>\n\u6cd5\u5170\u539a\u5ea6<\/th>\n\u6cd5\u5170\u5185\u5f84<\/th>\n\u6cd5\u5170\u9888\u5927\u7aef<\/th>\n\u6cd5\u5170\u9ad8\u5ea6<\/th>\n<\/tr>\n<\/thead>\n
DN<\/td>\nNPS<\/td>\nA<\/td>\n\u6cd5\u5170\u5916\u5f84 D<\/td>\n\u4e2d\u5fc3\u5706\u76f4\u5f84 K<\/td>\n\u87ba\u6813\u5b54\u76f4\u5f84 L<\/td>\n\u87ba\u6813\u5b54\u6570\u91cf n<\/td>\n\u87ba\u6813 Th<\/td>\nC<\/td>\nB<\/td>\nN<\/td>\nH<\/td>\n<\/tr>\n
15<\/td>\n1\/2<\/td>\n21.3<\/td>\n120<\/td>\n82.6<\/td>\n22<\/td>\n4<\/td>\nM20<\/td>\n22.3<\/td>\n&\/8211;<\/td>\n38<\/td>\n60<\/td>\n<\/tr>\n
20<\/td>\n3\/4<\/td>\n26.9<\/td>\n130<\/td>\n88.9<\/td>\n22<\/td>\n4<\/td>\nM20<\/td>\n25.4<\/td>\n&\/8211;<\/td>\n44<\/td>\n70<\/td>\n<\/tr>\n
25<\/td>\n1<\/td>\n33.7<\/td>\n150<\/td>\n101.6<\/td>\n26<\/td>\n4<\/td>\nM24<\/td>\n28.6<\/td>\n&\/8211;<\/td>\n52<\/td>\n73<\/td>\n<\/tr>\n
32<\/td>\n1 1\/4<\/td>\n42.4<\/td>\n160<\/td>\n111.1<\/td>\n26<\/td>\n4<\/td>\nM24<\/td>\n28.6<\/td>\n&\/8211;<\/td>\n64<\/td>\n73<\/td>\n<\/tr>\n
40<\/td>\n1 1\/2<\/td>\n48.3<\/td>\n180<\/td>\n123.8<\/td>\n30<\/td>\n4<\/td>\nM27<\/td>\n31.8<\/td>\n&\/8211;<\/td>\n70<\/td>\n83<\/td>\n<\/tr>\n
50<\/td>\n2<\/td>\n60.3<\/td>\n215<\/td>\n165.1<\/td>\n26<\/td>\n8<\/td>\nM24<\/td>\n38.1<\/td>\n&\/8211;<\/td>\n105<\/td>\n102<\/td>\n<\/tr>\n
65<\/td>\n2 1\/2<\/td>\n76.1<\/td>\n245<\/td>\n190.5<\/td>\n30<\/td>\n8<\/td>\nM27<\/td>\n41.3<\/td>\n&\/8211;<\/td>\n124<\/td>\n105<\/td>\n<\/tr>\n
80<\/td>\n3<\/td>\n88.9<\/td>\n240<\/td>\n190.5<\/td>\n26<\/td>\n8<\/td>\nM24<\/td>\n38.1<\/td>\n&\/8211;<\/td>\n127<\/td>\n102<\/td>\n<\/tr>\n
100<\/td>\n4<\/td>\n114.3<\/td>\n290<\/td>\n235<\/td>\n33<\/td>\n8<\/td>\nM30<\/td>\n44.5<\/td>\n&\/8211;<\/td>\n159<\/td>\n114<\/td>\n<\/tr>\n
125<\/td>\n5<\/td>\n139.7<\/td>\n350<\/td>\n279.4<\/td>\n36<\/td>\n8<\/td>\nM33<\/td>\n50.8<\/td>\n&\/8211;<\/td>\n190<\/td>\n127<\/td>\n<\/tr>\n
150<\/td>\n6<\/td>\n168.3<\/td>\n380<\/td>\n317.5<\/td>\n33<\/td>\n12<\/td>\nM30<\/td>\n55.6<\/td>\n&\/8211;<\/td>\n235<\/td>\n140<\/td>\n<\/tr>\n
200<\/td>\n8<\/td>\n219.1<\/td>\n470<\/td>\n393.7<\/td>\n39<\/td>\n12<\/td>\nM36X3<\/td>\n63.5<\/td>\n&\/8211;<\/td>\n298<\/td>\n162<\/td>\n<\/tr>\n
250<\/td>\n10<\/td>\n273<\/td>\n545<\/td>\n469.9<\/td>\n39<\/td>\n16<\/td>\nM36X3<\/td>\n69.9<\/td>\n&\/8211;<\/td>\n368<\/td>\n184<\/td>\n<\/tr>\n
300<\/td>\n12<\/td>\n323.9<\/td>\n610<\/td>\n533.4<\/td>\n39<\/td>\n20<\/td>\nM36X3<\/td>\n79.4<\/td>\n&\/8211;<\/td>\n419<\/td>\n200<\/td>\n<\/tr>\n
350<\/td>\n14<\/td>\n355.6<\/td>\n640<\/td>\n558.8<\/td>\n42<\/td>\n20<\/td>\nM39X3<\/td>\n85.8<\/td>\n&\/8211;<\/td>\n451<\/td>\n213<\/td>\n<\/tr>\n
400<\/td>\n16<\/td>\n406.4<\/td>\n705<\/td>\n616<\/td>\n45<\/td>\n20<\/td>\nM42X3<\/td>\n88.9<\/td>\n&\/8211;<\/td>\n508<\/td>\n216<\/td>\n<\/tr>\n
450<\/td>\n18<\/td>\n457<\/td>\n785<\/td>\n685.8<\/td>\n51<\/td>\n20<\/td>\nM48X3<\/td>\n101.6<\/td>\n&\/8211;<\/td>\n565<\/td>\n229<\/td>\n<\/tr>\n
500<\/td>\n20<\/td>\n508<\/td>\n855<\/td>\n749.3<\/td>\n55<\/td>\n20<\/td>\nM52X3<\/td>\n108<\/td>\n&\/8211;<\/td>\n622<\/td>\n248<\/td>\n<\/tr>\n
600<\/td>\n24<\/td>\n610<\/td>\n1040<\/td>\n901.7<\/td>\n68<\/td>\n20<\/td>\nM64X3<\/td>\n139.7<\/td>\n&\/8211;<\/td>\n749<\/td>\n292<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\/\/\/Class 1500\/\/\/<\/strong><\/h3>\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
\u6807\u79f0\u5c3a\u5bf8<\/th>\n<\/td>\n\u94a2\u7ba1\u5916\u5f84<\/th>\n\u8fde\u63a5\u5c3a\u5bf8<\/th>\n<\/td>\n<\/td>\n<\/td>\n<\/td>\n\u6cd5\u5170\u539a\u5ea6<\/th>\n\u6cd5\u5170\u5185\u5f84<\/th>\n\u6cd5\u5170\u9888\u5927\u7aef<\/th>\n\u6cd5\u5170\u9ad8\u5ea6<\/th>\n<\/tr>\n<\/thead>\n
DN<\/td>\nNPS<\/td>\nA<\/td>\n\u6cd5\u5170\u5916\u5f84 D<\/td>\n\u4e2d\u5fc3\u5706\u76f4\u5f84 K<\/td>\n\u87ba\u6813\u5b54\u76f4\u5f84 L<\/td>\n\u87ba\u6813\u5b54\u6570\u91cf n<\/td>\n\u87ba\u6813 Th<\/td>\nC<\/td>\nB<\/td>\nN<\/td>\nH<\/td>\n<\/tr>\n
15<\/td>\n1\/2<\/td>\n21.3<\/td>\n120<\/td>\n82.6<\/td>\n22<\/td>\n4<\/td>\nM20<\/td>\n22.3<\/td>\n&\/8211;<\/td>\n38<\/td>\n60<\/td>\n<\/tr>\n
20<\/td>\n3\/4<\/td>\n26.9<\/td>\n130<\/td>\n88.9<\/td>\n22<\/td>\n4<\/td>\nM20<\/td>\n25.4<\/td>\n&\/8211;<\/td>\n44<\/td>\n70<\/td>\n<\/tr>\n
25<\/td>\n1<\/td>\n33.7<\/td>\n150<\/td>\n101.6<\/td>\n26<\/td>\n4<\/td>\nM24<\/td>\n28.6<\/td>\n&\/8211;<\/td>\n52<\/td>\n73<\/td>\n<\/tr>\n
32<\/td>\n1 1\/4<\/td>\n42.4<\/td>\n160<\/td>\n111.1<\/td>\n26<\/td>\n4<\/td>\nM24<\/td>\n28.6<\/td>\n&\/8211;<\/td>\n64<\/td>\n73<\/td>\n<\/tr>\n
40<\/td>\n1 1\/2<\/td>\n48.3<\/td>\n180<\/td>\n123.8<\/td>\n30<\/td>\n4<\/td>\nM27<\/td>\n31.8<\/td>\n&\/8211;<\/td>\n70<\/td>\n83<\/td>\n<\/tr>\n
50<\/td>\n2<\/td>\n60.3<\/td>\n215<\/td>\n165.1<\/td>\n26<\/td>\n8<\/td>\nM24<\/td>\n38.1<\/td>\n&\/8211;<\/td>\n105<\/td>\n102<\/td>\n<\/tr>\n
65<\/td>\n2 1\/2<\/td>\n76.1<\/td>\n245<\/td>\n190.5<\/td>\n30<\/td>\n8<\/td>\nM27<\/td>\n41.3<\/td>\n&\/8211;<\/td>\n124<\/td>\n105<\/td>\n<\/tr>\n
80<\/td>\n3<\/td>\n88.9<\/td>\n265<\/td>\n203.2<\/td>\n33<\/td>\n8<\/td>\nM30<\/td>\n47.7<\/td>\n&\/8211;<\/td>\n133<\/td>\n117<\/td>\n<\/tr>\n
100<\/td>\n4<\/td>\n114.3<\/td>\n310<\/td>\n241.3<\/td>\n36<\/td>\n8<\/td>\nM33<\/td>\n54<\/td>\n&\/8211;<\/td>\n162<\/td>\n124<\/td>\n<\/tr>\n
125<\/td>\n5<\/td>\n139.7<\/td>\n375<\/td>\n292.1<\/td>\n42<\/td>\n8<\/td>\nM39X3<\/td>\n73.1<\/td>\n&\/8211;<\/td>\n197<\/td>\n156<\/td>\n<\/tr>\n
150<\/td>\n6<\/td>\n168.3<\/td>\n395<\/td>\n317.5<\/td>\n39<\/td>\n12<\/td>\nM36X3<\/td>\n82.6<\/td>\n&\/8211;<\/td>\n229<\/td>\n171<\/td>\n<\/tr>\n
200<\/td>\n8<\/td>\n219.1<\/td>\n485<\/td>\n393.7<\/td>\n45<\/td>\n12<\/td>\nM42X3<\/td>\n92.1<\/td>\n&\/8211;<\/td>\n292<\/td>\n213<\/td>\n<\/tr>\n
250<\/td>\n10<\/td>\n273<\/td>\n585<\/td>\n482.6<\/td>\n51<\/td>\n12<\/td>\nM48X3<\/td>\n108<\/td>\n&\/8211;<\/td>\n368<\/td>\n254<\/td>\n<\/tr>\n
300<\/td>\n12<\/td>\n323.9<\/td>\n675<\/td>\n571.5<\/td>\n55<\/td>\n16<\/td>\nM52X3<\/td>\n123.9<\/td>\n&\/8211;<\/td>\n451<\/td>\n283<\/td>\n<\/tr>\n
350<\/td>\n14<\/td>\n355.6<\/td>\n750<\/td>\n635<\/td>\n60<\/td>\n16<\/td>\nM56X3<\/td>\n133.4<\/td>\n&\/8211;<\/td>\n495<\/td>\n298<\/td>\n<\/tr>\n
400<\/td>\n16<\/td>\n406.4<\/td>\n825<\/td>\n704.8<\/td>\n68<\/td>\n16<\/td>\nM64X3<\/td>\n146.1<\/td>\n&\/8211;<\/td>\n552<\/td>\n311<\/td>\n<\/tr>\n
450<\/td>\n18<\/td>\n457<\/td>\n915<\/td>\n774.7<\/td>\n74<\/td>\n16<\/td>\nM70X3<\/td>\n162<\/td>\n&\/8211;<\/td>\n597<\/td>\n327<\/td>\n<\/tr>\n
500<\/td>\n20<\/td>\n508<\/td>\n985<\/td>\n831.8<\/td>\n80<\/td>\n16<\/td>\nM76X3<\/td>\n177.8<\/td>\n&\/8211;<\/td>\n641<\/td>\n356<\/td>\n<\/tr>\n
600<\/td>\n24<\/td>\n610<\/td>\n1170<\/td>\n990.6<\/td>\n94<\/td>\n16<\/td>\nM90X3<\/td>\n203.2<\/td>\n&\/8211;<\/td>\n762<\/td>\n406<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\/\/\/Class 2500\/\/\/<\/strong><\/h2>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
\u6807\u79f0\u5c3a\u5bf8<\/th>\n<\/td>\n\u94a2\u7ba1\u5916\u5f84<\/th>\n\u8fde\u63a5\u5c3a\u5bf8<\/th>\n<\/td>\n<\/td>\n<\/td>\n<\/td>\n\u6cd5\u5170\u539a\u5ea6<\/th>\n\u6cd5\u5170\u5185\u5f84<\/th>\n\u6cd5\u5170\u9888\u5927\u7aef<\/th>\n\u6cd5\u5170\u9ad8\u5ea6<\/th>\n<\/tr>\n<\/thead>\n
DN<\/td>\nNPS<\/td>\nA<\/td>\n\u6cd5\u5170\u5916\u5f84 D<\/td>\n\u4e2d\u5fc3\u5706\u76f4\u5f84 K<\/td>\n\u87ba\u6813\u5b54\u76f4\u5f84 L<\/td>\n\u87ba\u6813\u5b54\u6570\u91cf n<\/td>\n\u87ba\u6813 Th<\/td>\nC<\/td>\nB<\/td>\nN<\/td>\nH<\/td>\n<\/tr>\n
15<\/td>\n1\/2<\/td>\n21.3<\/td>\n135<\/td>\n88.9<\/td>\n22<\/td>\n4<\/td>\nM20<\/td>\n30.2<\/td>\n&\/8211;<\/td>\n43<\/td>\n73<\/td>\n<\/tr>\n
20<\/td>\n3\/4<\/td>\n26.9<\/td>\n140<\/td>\n95.2<\/td>\n22<\/td>\n4<\/td>\nM20<\/td>\n31.8<\/td>\n&\/8211;<\/td>\n51<\/td>\n79<\/td>\n<\/tr>\n
25<\/td>\n1<\/td>\n33.7<\/td>\n160<\/td>\n108<\/td>\n26<\/td>\n4<\/td>\nM24<\/td>\n35<\/td>\n&\/8211;<\/td>\n57<\/td>\n89<\/td>\n<\/tr>\n
32<\/td>\n1 1\/4<\/td>\n42.4<\/td>\n185<\/td>\n130.2<\/td>\n30<\/td>\n4<\/td>\nM27<\/td>\n38.1<\/td>\n&\/8211;<\/td>\n73<\/td>\n95<\/td>\n<\/tr>\n
40<\/td>\n1 1\/2<\/td>\n48.3<\/td>\n205<\/td>\n146<\/td>\n33<\/td>\n4<\/td>\nM30<\/td>\n44.5<\/td>\n&\/8211;<\/td>\n79<\/td>\n111<\/td>\n<\/tr>\n
50<\/td>\n2<\/td>\n60.3<\/td>\n235<\/td>\n171.4<\/td>\n30<\/td>\n8<\/td>\nM27<\/td>\n50.9<\/td>\n&\/8211;<\/td>\n95<\/td>\n127<\/td>\n<\/tr>\n
65<\/td>\n21\/2<\/td>\n76.1<\/td>\n265<\/td>\n196.8<\/td>\n33<\/td>\n8<\/td>\nM30<\/td>\n57.2<\/td>\n&\/8211;<\/td>\n114<\/td>\n143<\/td>\n<\/tr>\n
80<\/td>\n3<\/td>\n88.9<\/td>\n305<\/td>\n228.6<\/td>\n36<\/td>\n8<\/td>\nM33<\/td>\n66.7<\/td>\n&\/8211;<\/td>\n133<\/td>\n168<\/td>\n<\/tr>\n
100<\/td>\n4<\/td>\n114.3<\/td>\n355<\/td>\n273<\/td>\n42<\/td>\n8<\/td>\nM39X3<\/td>\n76.2<\/td>\n&\/8211;<\/td>\n165<\/td>\n190<\/td>\n<\/tr>\n
125<\/td>\n5<\/td>\n139.7<\/td>\n420<\/td>\n323.8<\/td>\n48<\/td>\n8<\/td>\nM45X3<\/td>\n92.1<\/td>\n&\/8211;<\/td>\n203<\/td>\n229<\/td>\n<\/tr>\n
150<\/td>\n6<\/td>\n168.3<\/td>\n485<\/td>\n368.3<\/td>\n55<\/td>\n8<\/td>\nM52X3<\/td>\n108<\/td>\n&\/8211;<\/td>\n235<\/td>\n273<\/td>\n<\/tr>\n
200<\/td>\n8<\/td>\n219.1<\/td>\n550<\/td>\n438.2<\/td>\n55<\/td>\n12<\/td>\nM52X3<\/td>\n127<\/td>\n&\/8211;<\/td>\n305<\/td>\n318<\/td>\n<\/tr>\n
250<\/td>\n10<\/td>\n273<\/td>\n675<\/td>\n539.8<\/td>\n68<\/td>\n12<\/td>\nM64X3<\/td>\n165.1<\/td>\n&\/8211;<\/td>\n375<\/td>\n419<\/td>\n<\/tr>\n
300<\/td>\n12<\/td>\n323.9<\/td>\n760<\/td>\n619.1<\/td>\n74<\/td>\n12<\/td>\nM70X3<\/td>\n184.2<\/td>\n&\/8211;<\/td>\n441<\/td>\n464<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/p><\/div>","protected":false},"excerpt":{"rendered":"
\n
\n
\u5bfc\u8a00<\/div>\n
\u6211\u4eec\u751f\u4ea7\u7684\u4e0d\u9508\u94a2\u710a\u9888\u6cd5\u5170\u5c3a\u5bf8\u4ece 1\/2 \u5230 24 NPS\uff0c\u538b\u529b\u7b49\u7ea7\u4ece 150 \u5230 2500\u3002\u8d28\u91cf\u4fdd\u8bc1\u4f4e\uff0c\u76f4\u63a5\u5230\u5382\u4ef7\uff0c\u53ef\u5b9a\u5236\u87ba\u6813\u5b54\u548c\u5c3a\u5bf8\u9009\u9879\u3002\u66f4\u591a\u8be6\u60c5\uff0c\u8bf7\u53c2\u9605\u4e0b\u9762\u7684\u5c3a\u5bf8\u8868\uff0c\u6216\u5411\u6211\u4eec\u7684\u5de5\u7a0b\u5e08\u5bfb\u6c42\u66f4\u591a\u5e2e\u52a9\u3002<\/div>\n<\/p><\/div>\n
\n
<\/div>\n
\u6807\u51c6\u914d\u7f6e\uff1a<\/b>
GB\/T9119-2010
\nHG\/T20592-2009
\nHG\/T20615-2009
\nDIN \u6807\u51c6
\nASME
\nBS
\nJIS<\/p>\n

\u6750\u8d28\uff1a<\/b>
304\uff1aF304 S30408 S30408II S30408III S30400
304L\uff1aS30403 S30403II 30403 30403II
316l\uff1a31603 31603ii 31603iii
\n2507\uff08F53\uff09
\n2205\uff08F51\uff09
\nTP310S\uff0806Cr5Ni20\uff09
\nTP321\uff0806Cr18Ni11\uff09
\ns22053iii=2205iii
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