GB

GB/T 3091

The steel pipe is electrically welded in accordance with GB/T 3091 standard, which can be bent, crimped and similarly shaped, and is also suitable for welding.
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GB/T 9711

GB/T 9711-2017 steel pipes are steel pipes for pipeline transportation systems in the oil and gas industry, including two product specification levels (PSL1 and PSL2), welded pipes are manufactured by CW, LFW, HFW, LW, SAWL, SAWH, COWL and COWH processes.
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GB/T 13793

The steel pipe is straight seam welded steel pipe according to GB/T 13793 standard, which can be bent, crimped and similarly shaped, and is also suitable for welding.
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GB/T 28413

GB/T 28413 steel pipe is a welded steel pipe for boilers and heat exchangers, which can be bent, crimped and similarly shaped, and is also suitable for welding operations.
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GB/T 30063

The implementation of GB/T 30063 standard steel pipe for the structure of straight seam submerged arc welded steel pipe, can be bent, rolled edges and similar processing and forming, also suitable for welding operations.
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GB/T 32970

GB/T 32970 steel pipe for high-temperature and high-pressure pipeline with a straight seam submerged arc welded steel pipe, can be bent, crimped and similar processing molding, but also suitable for welding operations.
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GB/T 37577

GB/T 37577 steel pipe is a large diameter welded pipe for cryogenic pipelines, which can be bent, crimped and similarly shaped, and is also suitable for welding operations.
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