碳钢管件: ASTM/ASME A234 WPB、WPC 20# Q235B Q345B
　　合金管件: ASTM/ASME A234 WP 1-WP 12-WP 11-WP 22-WP 5-WP 91-WP911、15Mo3 15CrMoV、 35CrMoV
　　不锈钢管件:ASTM/ASME A403 WP 302 -304L-316L -304L S321
　　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 WPL3-WPL 6
　　高性能钢: ASTM/ASME A860 WPHY 42-46-52-60-65-70