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Square tubes is a form of tube type, people have a different name on it, called the rectangular tubes, rectangular tubes, square tubes, welded square tube, because it has a lot of kinds of material of material can make the tube body, usually square tube is formed after unpacking, kaiping, bending strip welding pipe, again by the mechanism of rolling into a square tube.
Carbon square steel pipe, rectangular steel pipe, steel hollow section, divided according to the shape of the section, is a name for square pipe and rectangular pipe. It is made of strip steel that has been processed and rolled. Generally, the strip is unpacked, flattened, coiled, welded to form a round tube, and then rolled into a square tube from the round tube and then cut to the required length. Square rectangular tube is also called cold-formed hollow section steel, referred to as square tube and rectangular tube.
Product Specification
Product Name
Carbon Steel Square Pipe; Carbon Steel Square Tube
Standard
GB5310-2009, GB3087-2008, GB6479-2013, GB9948-2013, GB/T8163-2008, GB8162-2008, GB/T17396-2009
Outer Diamater
1) Round Pipe: 8mm - 680 mm
Wall-Thickness
0.5mm-100mm or Customized
Length
1m, 1.8m, 2m, 3m, 4m, 5m, 5.8m, 6m, 9m, 10m, 11.8m, 12m or Customized
Square Pipe Size
16×16×0.4~1.5; 18×18×0.4~1.5; 20×20×0.4~1.5; 25×25×0.6~2.0; 30×30×0.6~4.0; 34×34×1.0~2.0; 35×35×1.0~4.0; 38×38×1.0~4.0; 40×40×1.0~4.5; 44×44×1.0~4.5; 45×45×1.0~5.0; 50×50×1.0~5.0; 60×60×1.5~5.0; 70×70×2.0~6.0; 75×75×2.0~6.0; 80×80×2.0~6.0; 85×85×2.0~6.0; 95×95×2.0~8.0; 100×100×2.0~8.0; 120×120×4.0~8.0; 150×150×6.0~10.0; 180×180×6.0~12.0; 200×200×6.0~30.0; 220×220×6.0~30.0; 250×250×6.0~30.0; 280×280×6.0~30.0; 300×300×8.0~30.0; 320×320×8.0~30.0; 350×350×8.0~30.0; 380×380×8.0~30.0; 400×400×8.0~30.0; 420×420×10.0~30.0; 450×450×10.0~30.0; 480×480×10.0~30.0; 500×500×10.0~30.0
Rectangular Tube Size
10×20×0.6~1.5 ; 14×21×0.6~1.5 ; 15×30×1.5~1.5 ; 15×38×0.6~1.5 ; 20×30×0.6~2.0 ; 20×40×0.8~2.0 ; 20×50×1.0~2.0 ; 22×35×0.9~2.0 ; 25×40×0.9~3.75 ; 25×65×1.0~2.0 ; 30×40×1.0~3.75 ; 30×45×1.0~3.75 ; 30×50×1.0~4.0 ; 30×60×1.0~4.5 ; 40×50×1.0~4.5 ; 40×60×1.0~5.0 ; 40×80×1.5~5.0 ; 40×100×2.0~5.0 ; 50×60×2.0~5.0 ; 50×80×2.0~5.0 ; 50×100×2.0~8.0 ; 60×80×2.0~6.0 ; 80×100×2.0~8.0 ; 120×60×2.5~10.0 ; 120×80×2.5~10.0 ; 150×100×2.5~12.0 ; 180×150×2.5~12.0 ; 200×100×4~12.0 ; 200×150×4~12.0 ; 250×150×6~12.0 ; 250×100×6~12.0 ; 250×200×6~30.0 ; 300×150×6~30.0 ; 300×200×6~30.0 ; 300×250×6~30.0 ; 400×250×8~30.0 ; 400×300×8~30.0 ; 450×200×8~30.0 ; 450×250×8~30.0 ; 400×300×8~30.0 ; 400×350×8~30.0 ; 500×200×10~30.0 ; 500×250×10~30.0 ; 500×300×10~30.0 ; 500×350×10~30.0 ; 500×400×10~30.0 ; 500×450×10~30.0
Surface
Galvanized, PVC, Black-Painting, Color-Painting, Transparent-Oil, Anti-Rust-Oil, Black-Varnish, 2PE, 3PE, Epoxy-Coating, BE, PE
Technique
Hot Rolled, Cold Drawn, Forging, Seamless or Welded
Shape
Round, Square, Oval, Rectangular, Welded, Elliptical, Triangular, Hexagonal, Octagonal, Irregular, Special Shapes or Customized
Pipe Ends
1) Plain
Deep Processing
Oiled, Painted, Galvanized, Powder Coating, Shrink Head, Pressure Groove, Welding Head, Punching, Threaded With Coupling and Plastic Cap
Material-1
ASTM: A105, A106, A106B, A106C, A178, A179, A192, A210, A213, A249, A268, A269, A270, A312, A333, A335, A358, A409, A511, A519, A53, A53A, A53B, A554, A778, A790, A928, B338, B673, B674, B675, B676, B677, B690, 370WP91, WP1, WP2, Gr.B, API5L
Material-2
16Mn, 19Mn5, 20Cr, 40Cr, 20Mn2, Cr5Mo, 12CrMo, 15CrMo, 20CrMo, 28CrMo, 30CrMo, 35CrMo, 42CrMo, 12Cr1MoV, Cr5Mo, 30CMo, 20MnG, 25MnG, 15CrMoG, 12Cr1MoVG, 10CRM0910, 20CrMnTi, 40MnMoV, ZF6, 16MnCr5, 20MnCr5, 38Mn2V, 09CrCuSb(ND), 27SiMn, SS400
Application
1) Pipeline Transport, Boiler Pipe, Hydraulic/Automobile Pipe, Oil/Gas Drilling, Food/Beverage/Dairy Products, Machinery Industry, Chemical Industry, Mining, Construction Decoration, Special Purpose
Package
Packed in bundles with 6-8 pcs steel strips, and wrapped with waterproof cloth
Lead Time
Delivery of spot products within 2-3 days after receiving the deposit
Payment Terms
30% T/T in advance, 70% T/T 70% L/C at sight balance before shipment
Tips
Specific requirement of alloy grade, temper or specification can be discussed at your request
EN10216-5, EN10217-7, DIN17456, DIN 17458
JIS G3463, JIS G3119, JIS G3446, JIS G3218, JIS G3258, JIS G3448, JIS H4631
2) Square Pipe: 10mm*10mm - 500mm*500mm
3) Rectangular Pipe: 10mm*20mm -500mm*450mm
2) Beveled
3) Threaded with coupling and plastic cap
ASME: B36.19, B36.10
SAE1018, SAE1020, SAE1518, SAE1045
JIS: S10C, S20C, S25C, S35C, S45C, S55C, STKM11A, STKM12A, STKM12B, STKM12C, STKM13A, STKM13B, STKM13C, SCr420, SCr440, SCM415, SCM420
DIN: C10, CK10, C22, CK22, C35, CK35, C45, CK45, CF53
GB/T: 10#, 20#, 35#, 45#, 55#, Q195, Q215, Q235A, Q235B, Q235C, Q345A, Q345B, Q345C
20Cr4, 41Cr4, 15CrMo4, 25CrMo4, 35CrMo4, 42CrMo4, 16MnCr5, 10CrMo910, 13CrMo44
C10/CK10, C22/CK22, C35/CK35, C45/CK45, S20C, S40C
1010, 1020, 1026, 1035, 1045, 1050, 4130, 4135, 4140, 5120, 5140
STP, API, 5L, CF53, SCM432, SCRRM3, SCM4, SAE1018, SAE1020, SAE1045
X42, X46, X52, X56, X60, X65, X70, X80, X100, H40, J55, K55, N80-1, N80-Q, L80-1, L80-9Cr, L80-13Cr
St37, St37.0, ST37-2, St37.2, St35, St35.4, ST35.8, St42, St45, St52, St52.4, ST35, STP, STPT42, STB42, STS42, STPT49, STS49
G38, G42, J55, K55, L80, N80, P1, P2, P5, P9, P11, P12, P22, P91, P92, P110, T1, T2, T5, T9, T11, T12, T22, T23, T91,T92
Grade A, Grade B, Grade C, Gr.A, Gr.B, GR.1, GR.3, GR.6, GR.7
2) Low and Middle Pressure Fluid Pipeline, Electric Industry, Drilling, shipbuilding, Fertilizer Equipment and Pipeline structure, Petrochemical, Pharmaceutical Industry
3) Agriculture Equipment Pipe, Water and Gas Pipe, Greenhouse Pipe, Scaffolding Pipe, Building Material Tube, Furniture Tube, Low Pressure Fluid Tube, Oil Pipe, Fence, Greenhouse, Door Pipe, Greenhouse
4) Widely Used in Scaffolding Construction Which is Much Cheaper and Convenient
Customized products delivered within 7-10 days
Production Line
Product Test
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Main Product:
Carbon Steel Pipe,
Galvanized Steel Pipe,
Seamless Steel Pipe,
Square Steel Pipe,
Steel Section,
Galvanized Iron Wire
