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- 产品描述
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- Commodity name: SQUARE AND RECTANGULAR PIPE
Square (Square hollow section-SHS) can be supplied with size 20X20mm ~ 800x800mm; WT: 2.0~50mm. Rectangular steel pipe (rectangular hollow section-RHS): 20x30mm~500x750mm: WT2.0~50mm
specification:
Square (Square hollow section-SHS) can be supplied with size 20X20mm ~ 800x800mm; WT: 2.0~50mm.
Rectangular steel pipe (rectangular hollow section-RHS): 20x30mm~500x750mm: WT2.0~50mm
Standard Standard description Steel grades Size range GB/T 6728 Cold forming sectional steel for general structure (ERW, LSAW, SSAW) Q235, Q355, Q390, Q420, Q460, Q500, Q550, Q620, Q690, Square: 20x20~1000x1000mm
Rectangular: 30x20~1000x800mm
GB/T34201 Seamless hot-rolled square and rectangular steel tubes for structure GB/T699: 10#, 20#, 35#, 45#
GB/T700: Q195, Q215, Q253
LACS: Q345, Q390, Q420, Q460
Square: 40x40~500x500mm, WT3.0~60MM;
Rectangular: 50x30~600x400mm, WT3.0~60mm
GB/T3094 Cold drawn shaped steel tubes
(Seamless or welded round pipe to be cold drawn to the required shape)
GB/T699: 10#, 20#, 35#, 45#
GB/T700: Q195, Q215, Q253
GB/T1591: Q345, Q390,
Square: 12x12mm~280X280mm, WT0.8~16mm
Rectangular: 10x5mm~400x200mm; WT: 0.8~16mm
ASTM A500 Cold-formed welded and seamless carbon steel structural tubing in round and shapes GR.B, GR.C, GR.D A periphery up to 2235mm (88’’)
WT: up to 25.4mm(1’’)
EN10219-1/2 Cold formed welded structural hollow sections of non-alloy and fine grain steels (CFRHS) S235JRH, S275J0H, S275J2H, S355J0H, S355J2H, S355K2H Square: up to 500x500mm
Rectangular: up to 500x300mm
JIS G3466 Carbon steel square and rectangular tubes for general structure.
(ERW, SAW, SMLS)
STKR400, STKR490
(Former grade: STKR41, STKR50)
Square: 20x20mm~350x350mm, WT: 1.2~12.5mm.
Rectangular: 30x20~400x200mm, WT: 1.2~12mm
GOST 8639 Square steel pipes Steel 10, 20, 35, 45
08kp, 10ps, St2sp, St2kp, St2ps, St4sp, St4ps, St4kp
Size: 10x10mm~180x180mm, WT1.0~14mm GOST 8645 Rectangular steel pipe Steel 10, 20, 35, 45
08kp, 10ps, St2sp, St2kp, St2ps, St4sp, St4ps, St4kp
Size: 20x10mm ~150x100mm, WT1.0~10mm
Introduce
Hebei Senhai Pipeline Co., Ltd. is one professional manufacturer of ERW, SAW, SMLS steel pipes, as per standards of ASTM, ASME, API5L, EN, BS, DIN, GOST, GB, etc. Senhai Pipeline is located in Cangzhou City, which is the famous “Hometown of Pipes and Fittings” in China, about 120km away from Tianjin Seaport and Airport, and 180km from Beijing. Senhai is so professional in producing large dia. thick wall thickness steel pipes by LSAW.
Customized Process
Goods will be strictly tested before delivery, please check carefully after receiving the goods, if there is any problem, please contact us in time.
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FAQ
What kind of company is Hebei Senhai Pipeline Co., Ltd.?
Founded in 2013 and based in Cangzhou, Hebei – China’s well-known “Hometown of Pipes and Fittings”, we are a professional manufacturer and supplier of steel pipes and pipeline accessories. Conveniently located near Tianjin Port and major transportation routes, we specialize in ERW, SAW, and seamless steel pipes, along with pipe fittings and flanges, complying with API 5L, API 5CT, ASTM, EN, GB and other international standards.
What are your main products?
Our core products include seamless steel pipes, straight seam welded pipes, large-diameter thick-wall pipes, butt-welding fittings, forged flanges, and anti-corrosion pipeline products. They are widely used in oil & gas transmission, petrochemical engineering, water supply, drainage, and construction projects.
Do you accept customized orders and what’s your MOQ?
Yes, we provide customized production for size, material grade, wall thickness, length, and anti-corrosion coating. We support small-batch trial orders and flexible MOQ to meet project-specific demands.
What quality certifications and quality control do you have?
We implement strict quality management covering raw material inspection, production process control, and finished product testing. Our products meet multiple international standards, and we issue material test certificates (MTC) to ensure stable performance under high pressure and harsh environments.
How to get a quotation and arrange delivery?
To provide an accurate quote, please send specifications, quantity, destination port, and special requirements. We offer FOB, CFR, CIF terms and cooperate with reliable logistics partners for fast, safe delivery to North America, South America, Eastern Europe, and other regions.
SQUARE AND RECTANGULAR PIPE
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Shop 409, Building 8, Yihe Plaza, West Jiefang Road, Yuncheng District, Cangzhou City
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