Carbon structural steel Q235 is used to transport low pressure fluids

Q235 steel pipe is carbon structural steel (GB/700-2006) This kind of steel is generally smelted by converter or open furnace, its main raw material is molten iron and scrap, the sulfur and phosphorus content of steel is higher than that of high-quality carbon structural steel, the general sulfur ≤0.050%, phosphorus ≤0.045%.