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1、.SCH系列钢管最新规格表（通径壁厚对照）（公制版）公称通径Norminal Pipe Size DN外径Outside Diameter 公 称 壁 厚 TNorminal Wall ThicknessA系列Series A B系列Series Bsch5ssch10ssch20sLGsch20sch30STDsch40sch60xssch80sch100sch120sch140sch1601521.3181.62.12.6-2.9-3.6-4.52026.9251.62.12.6-2.9-4-5.62533.7321.62.83.2-3.2-4.5-6.33242.4381.6283.2-
2、3.6-5-6.34048.3451.62.83.2-3.6-5-7.15060.3571.62.83.6-3.2-4-5.6-8.86576.176233.6-4.5-5-7.1-108088.989234-4.5-5.6-8-1190101.6-234-4.5-5.6-8-12.5100114.3108234-5-5.9-8.8-11-14.2125139.71332.93.45-5-6.3-10-12.5-16150168.31592.93.45-5.6-7.1-11.1-14.2-17.5200219.12192.946.3-6.37.1-810-12.51617.52022.2250
3、2732733.646.3-6.38-8.812.5-1617.522.22528300323.932544.56.3-6.38.8-1014.2-17.522.2252832350355.63774588810101116132025.8283236400406.442645888101012.517.51322.228303640450457.247845888111014.22013253036404550050852955.6881012.5101620132832404550550559-55.6-8-10-13306006106305.66.3-8-1017.5-1332650660-8-10-13注：1、sch5s、10s、40s、80s用于不锈钢管件2、GB 12459为无缝对焊管件标准，GB/T 13401为钢板制对焊管件标准。700711720-8-10-13750762-8-10-13800813820-8-10-13850864-8-10-13900914920-8-10-13950965-8-10-13100010161020-8-10-1310501067-8-10-13110011181120-8-10-1311501168-8-10-13120012201220-8-10-13.