carbon steel GOST standard equal tee Alloy steel: ASTM/ASME A234 WP 1-WP 12-WP 11-WP 22-WP 5-WP 91-WP911 15Mo3 15CrMoV 35CrMoV. Stainless steel: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. Low-temperature:ASTM/ASME A402 WPL3-WPL6. Hight-Performance: ASTM/ASME A860 WPHY 42-46-52-60-65-70 2.Manufacturing Technique:Push system Forge Suppress syetem Cast. 3.Pressure class:Sch5s,Sch10s,Sch10,Sch20,Sch30,Sch40s,STD,Sch40,Sch60,Sch80s,XS;Sch80,SCH100,Sch120,Sch140,Sch160,XXS 4.Painting:yellow varnish,black paint,Rust oil and Zn plate. 5.Inspection:in-house and the third party.
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