HG/T21635-1987 HG/T21631-1990
尺寸
无缝
异径管: 1/2～24DN15～DN600
有缝异径管: 4～78 DN150～DN1900
壁厚
sch10, sch20, sch30, std, sch40, sch60, xs, sch80, sch100,
sch120, sch140, sch160, xxs, sch5s, sch20s, sch40s, sch80s
*大壁厚: 150mm
材质
碳钢: ASTM/ASME A234 WPB-WPC
合金: ASTM/ASME A234 WP 1-WP 12-WP 11-WP 22-WP 5-WP 91-WP 911
不锈钢: ASTM/ASME A403 WP 304-304L-304H-304LN-304N
ASTM/ASME A403 WP 316-316L-316H-316LN-316N-316Ti
ASTM/ASME A403 WP 321-321H ASTM/ASME A403 WP 347-347H
低温钢: ASTM/ASME A402 WPL 3-WPL 6
高性能钢: ASTM/ASME A860 WPHY 42-46-52-60-65-70
生产工艺:
采用弯曲、挤压、推制、模压、机械加工等冷加工或热加工方法成型.
应用行业:
电力、石油天然气、石化、化工、船舶、供热、造纸、冶金等
