最新中外无缝钢管材质对照表序号No 产品名称Product Designation 钢号Steel Grade 规格Dimenisions 产品标准Standard 用途Usage 1 结构用无缝钢管Seamiess Steel pipe forStructural purposes 10,20,35,45,Q345 (16Mn) 低合金钢等 low alloy steel etc. 108-325×4-30mm GB/T 8162 (neq JIS G 3444-) 适用于一般结构，机械结构用管 For general structure and mechanical structure 2 输送流体用无缝钢管 Seamless steel pipe for low and medium pressure 10,20,Q295,Q345 等 etc 108-325×4-30mm GB/T 8163 (neq JIS G 3444-) 适用于输送流体Forliquid service 3 低中压锅炉用无缝钢管 Seamless steel pipe for low and medium pressure 10,20,Q345 等etc 108-325×4-30mm GB 308 (neq ISO 9329-1) 适用于制造各种结构低压和中压锅炉及机车锅炉用的优质碳素和低合金高强度结构钢管。 For various structure low and medium pressure boiler 4 高压锅炉用无缝钢管 Seamless steel pipe for high pressure boiler 20G (ST45.8/Ⅲ),15CrMoG,12Cr1MoVG 108-325×4-30mm GB 5310 (neqASTMA335-A106,DIN17175,ISO 9329-2) 适用于制造高压及其以上压力的蒸汽锅炉，管道用的优质碳素钢、合金钢无缝钢管 For high pressure boiler 5 液压支柱用热轧无缝钢管 Seamless hot-roller steel 20,35,45 ，27SiMn 108-325×4-30mm GB/T 17396 (neq DIN 1629) 适用于制造液压支架和支柱的缸、柱用热轧无缝钢管For hydraulic pillar. pipe for hydraulic pillar service 6 石油裂化用无缝钢管 Seamless steel pipe for petroleum cracking 10,20 108-325×4-30mm GB 9948 (neqASTM A161,A200) 适用于石油精炼厂的炉管、热交换器管和管道Furnace tubes heat exchanger tubes and pipeline used in petroleum refinery 7 化肥设备用高压无缝钢管Hign-pressure seamless steel pipe for chemical fertilizer equipments 10,20.16Mn,15CrMoG等 etc 108-325×4-30mm GB 6479 （neq ISO 2604) 适用于工作温度为 -40 ℃-400℃，工作压力为10-32N/mm2的化工设备和管道 For chemical equipment and pipeline with working temperature of -40 ℃-+400℃ and working pressure o...
