20#無縫鋼管32×3.5-4-5-6-8
20#無縫鋼管36×3.5-5-6-8
20#無縫鋼管38×4-5-6-7-8-9-10
20#無縫鋼管39×3.5-5-8-10
20#無縫鋼管42×3.5-4-5-6-7-8-9-10
20#無縫鋼管45×3.5-4-5-6-7-8-9
20#無縫鋼管48×3.5-4-5-6-7-8-9-10
20#無縫鋼管51×3.5-4-5-6-7-8-9-10
20#無縫鋼管56×3.5-4-5-6-7-8-9-10
20#無縫鋼管57×3.5-5-6-7-8-9-10-12
20#無縫鋼管60×3.5-4.5-5-6-7-8-9-12-14
20#無縫鋼管63×3.5-4.5-5-6-7-8-9-10-12-14
20#無縫鋼管68×4-4.5-5-6-7-8-9-10-12-14-16
20#無縫鋼管70×4-4.5-5-6-7-8-9-10-12-15-16
20#無縫鋼管73×4-4.5-5-6-7-8-9-10-12-15
20#無縫鋼管76×4-4.5-5-6-7-8-9-10-12-14
20#無縫鋼管83×4.5-5-10-12-14-16-18-20
公司承諾:同樣的產(chǎn)品比質(zhì)量、同樣的質(zhì)量比價格、同樣的價格比服務(wù)、 同樣的服務(wù)比信譽”在本著為客戶提供更加滿意的產(chǎn)品和服務(wù),才是公司發(fā)展之本的宗旨,客戶至上信譽第一的原則,愿和廣大客戶一起開創(chuàng)雙贏局面,共創(chuàng)美好未來!
20#無縫鋼管化學(xué)成分:
碳 C :0.17%~0.2% 硅 Si:0.17%~0.37% 錳 Mn:0.35%~0.65% 硫 S :≤0.035% 磷 P :≤0.035% 鉻 Cr:≤0.25% 鎳 Ni:≤0.25% 銅 Cu:≤0.25%
20#無縫鋼管為低碳鋼管,執(zhí)行標準:GB/T8162-2008 GB/T8163-2008 GB3087-2008 GB9948-2013 GB6479-2013
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