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生產(chǎn)標(biāo)準(zhǔn)

GB/T 8162《結(jié)構(gòu)用無縫鋼管》

ASME SA519《結(jié)構(gòu)無縫用碳鋼管、合金鋼管》

GB/T3639 《冷拔或冷軋精密無縫鋼管》

YB/T4203《汽車半掛車軸用無縫鋼管》

規(guī)格尺寸

小口徑精密：外徑 Φ10-180mm，壁厚 1-15mm，長度 3-12.5m

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汽車用無縫鋼管，結(jié)構(gòu)用無縫鋼管