Alloy Steel Pipes
ASTM A333
ASTM A335, P5/P9/P11/P22/P91
DIN17175, ST35.8/ST45.8
EN10216-2, P235GH/P265GH
DIN2391, ST52
ASTM A519, SAE4130/SAE4140
ASTM A213, T2/T5/T9/T11/T12/T22/T23/T24/T36/T9
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Shanghai ShengQiu Materials Co., Ltd
WhatsApp: 008613761124029
Email: sales@sqsteelpipe.com
Website: www.sqsteelpipe.com
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