Industry News

Chengdu Derbo Steel Co.,Ltd • Mar 07, 2016

ASTM A530

Standard Specification for General Requirements for Specialized Carbo...

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Chengdu Derbo Steel Co.,Ltd • Mar 07, 2016

ASTM A516 A516M-06

Standard Specification for Pressure Vessel Plates，Carbon Steel, for&n...

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Chengdu Derbo Steel Co.,Ltd • Mar 07, 2016

ASTM A376

Standard Specification for Seamless Austenitic Steel Pipe for Hi...

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Chengdu Derbo Steel Co.,Ltd • Mar 07, 2016

ASTM A179

Standard Specification for Seamless Cold-Drawn Low-Carbon Steel Heat-...

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Chengdu Derbo Steel Co.,Ltd • Mar 07, 2016

ASTM A106

Standard Specification for Seamless Carbon Steel Pipe for High-T...

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Chengdu Derbo Steel Co.,Ltd • Mar 07, 2016

ASTM A53

Standard Specification for Pipe, Steel，Black and Hot-Dipped，Zinc-Coated,&n...

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Chengdu Derbo Steel Co.,Ltd • Mar 07, 2016

ASME B16.48-1997

ASME B16.48-1997 钢制管线盲板 Steel Line Blanks 美国国家标准 An American National Standard 翻译：林艳群 校对：韩肇俊 为...

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Chengdu Derbo Steel Co.,Ltd • Mar 07, 2016

ASME B16.20-2007

ASME is the registered trademark of The American Society&nbs...

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Chengdu Derbo Steel Co.,Ltd • Mar 07, 2016

ASME B16.11- 2009

The next edition of this Standard is scheduled for publ...

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Chengdu Derbo Steel Co.,Ltd • Mar 07, 2016

ASME B16.9

The next edition of this Standard is scheduled for publ...

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Zhejiang Xinhai Valve Manufacturing Co., Ltd. • Mar 04, 2016

Repair after Core Falling off

For rising stem wedge gate valve, connection between stem and core loses efficacy which caused by co...

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Center Bag & Case Co., Ltd. • Mar 03, 2016

Basic Knowledge of Bag Fabrics

Basic knowledge of bag fabrics: 1. Polyester, also called the polyester Polyester is characterized b...

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