• Model NO.：4140 seamless steel pipe
• out Diameter：20-508mm
• Thickness：2-60mm
• Length：10-13m
• Transport Package：in Bundles
• Specification：89*10
• Trademark：Shandong Zayi
• Origin：China
• HS Code：7304599090
• Production Capacity：50000 Tons,Month

 Product ASTM A519 4135 4140 alloy mechanical seamless steel pipe for Machinery Industry Standard ASTM A519 Material 4140 4135  Surface Black paint, varnish, oil, galvanized Pipe Length 5.8 m to 12 m, can be customized according to the length requirements Pipe Ends Plain Ends, Beveled Ends End Protector 1. Plastic caps (small OD) 2. Iron protector (large OD) Application Fluid pipe, oil pipe, gas pipe, structure pipe, boiler tubes Test Chemical Component Analysis, Mechanical Properties, Technical Properties, Exterior Size Productivity  50000 tons per month Min Order 20 ton Remark  Special design available according to requirement4140 chemical composition:CSiMnPSCrMo0.38 - 0.45max   0.40.6 - 0.9max   0.025max   0.0350.9 - 1.20.15 - 0.34135 chemical composition:CSiMnPSCrMo0.3 - 0.37max   0.40.6 - 0.9max   0.025max   0.0350.9 - 1.20.15 - 0.3Manufacturing:


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