安慶高壓鍋爐管 碳鋼無縫管 1.一般用途無縫管ASTM A53/A106 GR.B,,規格:1/4″-28″13.7-711.2mm 2.管線管API SPEC 5L,鋼號:B、X42、X46、X52,規格:1/4″-28″13.7-711.2mm 3.ASTM A106/A53/API 5L GR.B,鋼號: B,規格:1/4″-28″13.7-711.2mm 4.熱交換器和冷凝器用無縫低碳管ASTM A179,規格:3/4″、1″ 5.-40℃-101℃低溫作業用無縫管ASTM A333,規格:1/4″-28″13.7-711.2mm 6.德標DIN2448/1629無縫管,鋼號:St37St44St52規格:1/4″-28″13.7-711.2mm 7.耐熱鋼無縫管(熱強管)DIN17175-1979,鋼號:碳素結構鋼St35.8-St45.8/ISt35.8-St45.8/III 合金結構鋼15Mo313CrMo4410CrMo910規格:1/4″-28″13.7-711.2mm 碳鋼焊接管 1.美標ERW高頻焊管ASTM A106、A53,規格:1/2″-24″21.3-609.6mm 2.英標ERW高頻焊管BS1387,規格:1/2″-12″21.3-323.8mm
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