First of all, EN10217-1 P265TR1 and P265TR2 Welding steel Pipe /steel Tube has good strength performance from the point of view of its material properties. It is able to withstand high pressure, a

DIN 1628 ST37.4 WELDED STEEL TUBES, STEEL PIPES have a clear chemical composition, which contains up to 0.17% C, up to 0.35% S, at least 0.35% Mn,

JIS G3457 STPY 400 steel tube/pipe has unique physical properties. It has good strength properties with a yield strength of 400MPa and is capable of withstanding large external pressures and loads.

ASTM A179 seamless steel pipe is a pipe with excellent properties. In terms of composition, it is mainly composed of elements such as carbon and manganese, with a low carbon content, which ensures its good toughness and workability.