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Hot Rolled Black Painted Boiler Pipe Non-Oiled Welding Carbon Steel Round Welded Steel Pipes
Product | Hollow Tube / Black Round Steel Welded Pipe |
Technique | Electrical Resistance Weld (ERW) |
Material | Q195 = S195 / A53 Grade A Q235 = S235 / A53 Grade B / A500 Grade A / STK400 / SS400 / ST42.2 Q345 = S355JR / A500 Grade B Grade C |
Standard | EN39, BS1139, BS1387, EN10255, ASTM A53, A500, A36, A795, ISO65, ANSI C80, DIN2440, JIS G3444, GB/T3091, GB/T13793 |
Size | OD:20-660mm;WT 1.5-10.0mm ;Length: 1-12m |
Product Process
The production process of carbon steel round welded pipe includes: selecting high-quality carbon steel coi, cutting andcrimping into a tube shape, forming a weld through high-frequency induction welding, forming and straightening to thespecified size, cutting and sizing, and finally surface treatment, testing and packaging, making round welded pipe productssuitable for construction, transportation and other purposes.
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