China Steel pipe welding n GB Standards Search Result |
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1. Ready translated GB standards  and Chinese version GB Standards, you can purchase directly in the web page; After receive your payment, we will send the GB Standards PDF file to your Email within
1~3 days.
2. Other English version GB Standards are not ready translated, only after get your order, then we translate them, time usually need 3-5 days . |
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GB/T 31032-2023 Steel pipeline welding and acceptance - 英文版 |
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GB/T 12459-2017 Steel buttwelding pipe fittings—Types and parameter - 英文版 |
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GB/T 13401-2017 Steel buttwelding pipe fittings—Technical specification - 英文版 |
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GB/T 31936-2015 Rolls for welding steel pipe - 英文版 |
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GB/T 31032-2014 Welding and acceptance standard for steel pipings and pipelines - 英文版 |
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GB/T 9119-2010 Slip-on-welding plate steel pipe flanges - 英文版 |
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GB/T 9118-2010 Loose hubbed steel pipe flanges with welding neck collor - 英文版 |
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GB/T 9117-2010 Hubbed socket welding steel pipe flanges - 英文版 |
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GB/T 9116-2010 Hubbed slip-on-welding steel pipe flanges - 英文版 |
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GB/T 9115-2010 Steel pipe welding neck flanges - 英文版 |
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GB/T 15530.6-2008 Loose plate flange in steel with a copper pipe or a weld-neck collar in copper alloy for welding - 英文版 |
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GB/T 13401-2005 Steel plate butt-welding pipe fittings - 英文版 |
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GB/T 12459-2005 Steel butt-welding seamless pipe fittings - 英文版 |
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