DIN 17155 HII Pressure vessel steel Equivalent grade

DIN 17155 HII steels grade are the Hot-rolled structural steel plate and sheet for making gas cylinders and gas vessels. It has excellent properties for deep drawing and welding and meets all the performance requirements for tHIIs application. And characterized by a minimum yield strength of 245 - 355 MPa and by good weld ability. The steel grades of tHIIs series are used for manufacturing gas cylinders by welding cold-formed parts together and normalizing the finished cylinder.

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