专业生产弯头、法兰、三通、异径、翻边、承插、异径、环保防腐、各种异。1:执行标准:GB/T12459-2005、GB/T13401-2005、GB/T10752-2005、SY/T0609-2006、HG/T20592-2009、ASME、EN、DIN、JIS、DL、GD、SH2: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 42-46-52-60-65-703:壁厚sch10, sch20, sch30, std, sch40, sch6 |