24 Hour Emergency Steel Machining Response
GB3531 standard specifies the order content, grade, shape, weight and allowable deviation, technical requirements, verification methods, inspection rules, packaging, marking and quality certificates of low temperature pressure vessel steel plates.GB3531 standard main steel grade:GB3531 16MnDR,15MnNiDR,09MnNiDR.

Contact Us

Henan BEBON Iron&Steel co.,ltd.

Send Order Request