Shanghai Zhongzeyi Metal Materials Co., Ltd.
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This specification covers carbon and alloy steel pipe, electric-fusion-welded with filler metal added
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This specification covers steel pipe: electric-fusion welded with metal added, fabricated from pressure-vessel quality plate of any of several analyses and strength levels and suitable for high-pressure service at moderate temperatures.
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ASTM A572/A572M-21 test method covers the properties of high-strength low-alloy columbium-vanadium structural steel
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This specification2 covers austenitic ductile iron, Type D-2M, Classes 1 and 2, for compressors, expanders, pumps, valves, and other pressure-containing parts intended primarily for low-temperature service.
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ASTM A519 covers several grades of carbon and alloy steel seamless mechanical tubing.
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ASTM A501 covers black and hot-dipped galvanized hot-formed welded and seamless carbon steel square, round, rectangular, or special shape structural tubing
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CONTACT US
Tel : +8618616920766
Email : lynn@cnzzysteel.com
WhatsApp : +8618616920766
Address: Floor 1, Building 2, No. 1876 Chenqiao Road, Fengxian District, Shanghai
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