Joho Steel Co., Ltd
JOHO STEEL CO.,LTD, founded in 1988, is a steel group which has integrated steel production, processing and trading into one. We specializes in manufacturing carbon seamless steel pipes, boiler tube
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Grade B Carbon Steel Welded Pipe ERW Steel Pipes Manufacturers In China
| ERW Steel Pipe | Sizes: Out Diameter:1/2"-24" |
| Wall Thickness: 1.65-20mm | |
| Length: 3-12m, or according to customer's requirement | |
| End: Plain End, Beveled End, Treaded | |
| Standard:ASTM 5L, ASTM A53, ASTM A178, ASTM A500/501, ASTM A691, ASTM A252, ASTM A672, EN 10217 | |
| Steel Grade:API 5L: PSL1/PSL2 Gr.A, Gr.B, X42, X46, X52, X56, X60, X65, X70ASTM A53: GR.A, GR.B | |
| EN: S275, S275JR, S355JRH, S355J2H | |
| GB: Q195, Q215, Q235, Q345, L175, L210, L245, L320, L360-L555 | |
| Surface: Lightly oiled, Hot dip galvanized, Electro galvanized, Black, Bare, Varnish coating/Anti rust oil, Protective Coatings (Coal Tar Epoxy, Fusion Bond Epoxy, 3-layers PE) | |
| Packing: Plastic plugs in both ends, Hexagonal bundles of max. 2,000kg with several steel strips, Two tags on each bundle, Wrapped in waterproof paper, PVC sleeve, and sackcloth with several steel strips, Plastic caps. | |
| Test: Chemical Component Analysis, Mechanical Properties (Ultimate tensile strength, Yield strength, Elongation), Technical Properties (Flattening Test, Bending Test, Hardness Test, Impact Test), Exterior Size Inspection, Hydrostatic Test, NDT TEST ( ET TEST, RT TEST, UT TEST) |
