20#方矩管弹簧钢交货状态的硬度 牌 号 交货状态 布氏硬度HBS 65、70 热轧 ≤285 85、65Mn、55Si2Mn 热轧 ≤302 60Si2Mn、60Si2MnA、50CrVA、55SiMnVB、 55Si2MnB、55CrMnA、60 CrMnA、 热轧 ≤32l 60Si2CrA、60Si2CrVA、60CrMnBA 、 60CrMnM0A、30W4Cr2VA 热轧+热处理 ≤32l 所有牌号 冷拉+热处理 ≤321
螺旋管执行标准表 螺旋管执行标准表 产品标准 标准号 Standard Serial Number 标准名称 Standard Desination 产品型式 Type os products API Spec 5L 管线钢管规范 Pipeline Steels Standard 螺旋焊管、 直缝埋弧焊管、 直缝高频焊管 Spiral-seam, Steel Pipes,Longitudinal-seam submerged-arc Steel pipes,High-Frequency Longitudial-seam Steel Pipes GB/T 9711.1-1997 石油天然气工业输送钢管交货技术条件 第1部分 A级钢管 The first Part of Oil-Gas industrial Transportatio Steel Pipes onsignment Technical Qualification Level A Steel Pipes 螺旋焊管、 直缝埋弧焊管、 直缝高频焊管 Spirsl-seam, Steel Pipes,Longitudinal-seam submerged-arcSteel pipes, High-Frequency Longitudinal-seam Steel Pipes SY/T 5037-2000 低压液体输送管道用螺旋埋弧焊钢管 Spiral-seam Submerged-arc Steel Pipes for Low-pressure Liqued Transportation Pipeline s Use 螺旋焊管 Spiral-seam Steel Pipes GB/T 14980-94 低压流体输送用大直径电焊钢管 Wide-diametric Electric Weledng Steel Pipes for Low-pressure Liquid Transportation Pipeline s Use 直缝高频焊管 High-Frequency Longitudindal-seam Steel Pipes GB/T 3092-93 低压流体输送用焊接钢管 Eletric Welded Steel Pipes for Low-pressure Liquid Transportation Pipeline s Use 直缝高频焊管 High-Frequency Longitudindal-seam Steel Pipes GB/T 13793-92 普通流体输送管道用直缝电阻焊钢管 Longitudinal-seam Electric Welding Steel Pipes 直缝高频焊管 High-Frequency Longitudindal-seam Steel Pipes GB/T 5384-91 普通流体输送管道用直缝电阻焊钢管 Longitudinal-seam Resistance Welding Steel Pipes for Common Liquid Transportation Pipelines 直缝高频焊管 High-Frequency Longitudindal-seam Steel Pipes 注:也可根据用户提出的技术要求组织生产 PS Some particular products can be manufactured according to the clients suggestion of technical requirements
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