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  • Zhejiang Hongsheng Special Steel Co., Ltd.
  • Zhejiang Hongsheng Special Steel Co., Ltd.
  • Zhejiang Hongsheng Special Steel Co., Ltd.

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The seamless stainless steel tube with the specification of 630mm×6.5mm manufactured with material 304 has successfully passed the type test for the national special equipment
Time:2012/10/15 

The stainless steel tube (seamless) with large diameter and thin wall with the specification of 630mm×6.5mm manufactured with 0Cr18Ni9 has successfully passed the type test for special equipments of National Center for Quality Supervision, Inspection and Identification of Petroleum Refining Equipments. The certificate number is TSX 71004320110063. The certificate has represented that our company has taken a leading role in the manufacturing of stainless steel tube with large diameter and thin wall in China. Moreover, our company is also the only enterprise that could manufacture stainless steel with such specification in Zhejiang area.

Attached Picture: Type Test Certificate for Stainless Steel (Seamless) with Specification of 630mm*6.35mm