National standard spiral steel pipe referred to as 9711.1 spiral steel pipe, 9711.2 spiral steel pipe, material classification: 16Mn material spiral steel pipe, Q345B spiral steel pipe, L245 spiral steel pipe, L360 spiral steel pipe, X40-X80 spiral steel pipe, main purpose, spiral steel pipe for sewage treatment, water purification Spiral steel pipes, spiral steel pipes for water plants, spiral steel pipes for power plant chemical enterprises, spiral steel pipes for nuclear power, spiral steel pipes for conveying flammable fluids, spiral steel pipes for conveying non-combustible fluids, national standard spiral steel pipes, Ministry of Petroleum standard SY/T5037 spiral steel pipes Steel Pipe. The product is made of hot-rolled steel strip, spirally formed at constant temperature, and welded by automatic submerged arc welding process. The product implements API SPEC 5L, EN10217, GB/T9711.1, GB/T9711.2 standards. It is mainly used for transporting flammable and non-combustible fluids and steel structures in oil and gas industries.

Specifications
Product Name	Spiral steel pipe
Place of Origin	Shandong，China
Materials	Q235A,Q235b,Q345,L245,L290,40#,60#,X42,X46,X70,X80
Size	minimum:275X5mm;maximum:2420x22mm
Section Shape	Round
Length	12M, 6M, 6.4M or Customer requirements
MOQ	1 Ton
Delivery Time	15-21 days

product name	Spot material	Executive standard	Spot Specifications	Applications
Alloy tube	12Cr1MoVG12CrMoG15CrMoG12Cr2MoCr5MoCr 9Mo10Cr9Mo1VNb15NiCuMoNb512Cr2MoWVTiB	GB5310-1995GB6479-2000GB9948-2006DIN17175-79ASTM SA335ASTM SA213JISG3467-88JISG3458-88	∮8-1240*1-200	It is suitable for seamless steel pipes for high temperature resistance, low temperature resistance and corrosion resistance in petroleum, chemical industry, electric power and boiler industries
stainless steel pipe	0Cr18Ni9<304>00Cr19Ni10<304L>00Cr25Ni20<310S>0Cr17Ni12Mo2<316 >00Cr17Ni14Mo2<316L>1Cr18Ni9Ti<321>0Cr18Ni10Ti0Cr18Ni11Nb<347>	GB/T14975-2002GB/T14976-2002GB13296-2007ASTM A213ASTM A269ASTM A312JIS G3459DIN 17458	∮6-630*0.5-60	Suitable for petroleum, aviation, smelting, food, water conservancy, electric power, chemical industry, chemical, chemical fiber, medical machinery and other industries
Cryogenic tube	16MnDG、10MnDG、09DG09Mn2VDG、06Ni3MoDGASTM A333Grade1ASTM A333Grade3ASTM A333Grade4ASTM A333Grade6ASTM A333Grade7ASTM A333Grade8ASTM A333Grade9ASTM A333Grade10ASTM A333Grade11	GB/T18984-2003ASTM A333	∮8-1240*1-200	Suitable for -45℃～-195℃ low-temperature pressure vessel pipes and seamless steel pipes for low-temperature heat exchanger pipes
High pressure boiler tube	20GASTM SA106B/CASTM SA210A/CST45.8-III	GB5310-1995ASTM SA106ASTM SA210DIN17175-79	∮8-1240*1-200	Suitable for manufacturing high-pressure boiler heating tubes, headers, steam pipes, etc.
High pressure fertilizer pipe	102016Mn	GB6479-2000	∮8-1240*1-200	High pressure fertilizer pipe
Petroleum cracking tube	1020	GB9948-2006	∮8-630*1-60	Furnace tubes, heat exchanger tubes and pipes for petroleum refineries
Low and medium pressure boiler tube	10#20#16Mn	GB3087-2008	∮8-1240*1-200	Suitable for manufacturing low-pressure and medium-pressure boilers and locomotive boilers of various structures
Fluid delivery tube	10#、20#ASTM A106A,B,C、A53A,B16Mn	GB/T8163-2008ASTM A106ASTM A53	∮8-1240*1-200	General seamless steel pipes suitable for conveying fluids
General structural pipe	10#、20#、45#、27SiMnASTM A53A,B16Mn	GB/T8162-2008GB/T17396-1998ASTM A53	∮8-1240*1-200	Suitable for general structures, engineering supports, machining, etc.
Oil Casing	J55、K55、N80、L80C90、C95、P110	API SPEC 5CTISO11960	∮60.23-508.00*4.24-16.13	Tubing is used in oil wells to extract oil or natural gas Casing is used as the well wall of oil and gas wells
Line pipe	A、B、X42、X46、X52、X56、X60、X65、X70、X80L245、L290、L360、L415、L450	API SPEC 5LGB/T9711.1GB/T9711.2	∮32-1240*3-100	Oxygen, water and oil delivery pipes used in oil and gas industry
straight seam steel pipe	20、Q195、Q215A,BQ235A,B、Q345A,B,C,D,E	GB/T13793-1992GB3091-2001	∮32-630*1-30	Suitable for general structural support, low-pressure fluid delivery, etc.
Spiral steel pipe	Q235A-B、Q345A-E	SY/T5037-2000	219-2820*4-20	Suitable for steel pipes for low-pressure fluid transmission