无缝钢管材质、标准及用途对照表

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 pipe for hydraulic pillar service	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.
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 of 10-32N/mm2
8	气瓶用无缝钢管 Seamless steel pipe for gas cylinder	37Mn,34Mn2V,30CrMo,35CrMo	108-273×4-9mm	GB18248 (neq JIS G 3429)	用于制造气瓶用 For gas cylinder
9	管线管 Line Pipe	A,B,X42,X46,X52	114.3-325×4-30mm	API Spec 5L	适用于石油和天然气工业中输送气、水油的钢管 For pipe suitable for conveying gas,water,and oil in oil and natural gas industries
10	石油天然气工业输送钢管交货技术条件第1部分：A、B级钢管 Petroleum and natural gas industries tries line pipe-Technical condition Part 1:grade A、B	L210,L245,L290,L320,L360	114.3-325×4-30mm	GB/T9711.1,GB/T9711.2 (ISO3183-1.2;API Spec SL)
11	石油套管、油管和钻杆（光管）Casing,tubing and drill pipe(plain-end)	J55,N80	114.3-325mm	API Spec 5CT	用于石油开采 For petroleum recovering
12	高温用无缝碳钢管 Seamless carbon steel pipe for high-temperature service	A,B,C	114.3-325×4-30mm	ASME SA-106	用于制造高压锅炉等设备 For high-pressure boilers equipments etc.
13	高精度冷拔（轧）毛坯管料 High precision cold-drawn(rolled)blank	10，20，45，Q345（16Mn）低合金钢等low allowy steel etc	108-325×4-30mm	按用户协议要求 according to the requriements of customers' agreements	用于高精度（壁厚偏差≤±5%--±7%）的冷拔（轧）无缝钢管用料 Material for high precision cold-drawn seamless steel tubes(with wall thickness variation≤±5%--±7%)