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標(biāo)準(zhǔn): ASTM A179/(ASME SA179) 熱交換器和冷凝器用不銹鋼無縫鋼管 Seamless Cold Drawn Steel Tube For Heat Exchanger And Conderser Application: 用于鍋爐熱交換器、冷凝器、類似的熱轉(zhuǎn)換器 For tubular heat exchangers,condensers,and similar heat transfer apparatus. Size(mm): 外徑O.D.:16~76.2 壁厚W.T.:1~22  長度L：max 14000 化學(xué)成分Chemical Composition(%):                      C,%                     0.06~0.18                            Mn,%                            0.27~0.63                            P,%              ≤0.035                            S,%              ≤0.035   機(jī)械化學(xué)性能 Mechanical Properties(Mpa):   抗拉強(qiáng)度（Mpa）Tensil strength               ≥325 屈服強(qiáng)度(Mpa) Yield point               ≥180 伸長率（%）Elongation               ≥35 矩形管理論重量表 矩形管規(guī)格表 腳手架管理論重量計(jì)算公式