| Payment Type: | L/C,T/T,D/P |
| Incoterm: | FOB,CFR,CIF,EXW |
| Transportation: | Ocean,Land,Express |
| Port: | Tianjin,Shanghai,Qingdao |
Model No.: Q195 Q235 Q345
Standard: Bs, Gb, Astm, Jis, Din, Api
Material: Q195-Q345
Section Shape: Square
Place Of Origin: China
Application: Structure Pipe, Fluid Pipe
Production Process: Hot Rolled
Certification: Bsi, Ce, Ul, Api
Whether Alloy: Non-Alloy
Tolerance: ±1%
Category: Square tubes, Welded Steel Pipe
Processing Service: Bending, Decoiling, Punching, Cutting, Welding
Specification: 10X10-500X500mm
Thickness: 0.5mm-100mm or Customizable
Length: 3m 5m 6.5m 8m 12.5m 13m 14m 18m or Customizable
Surface: Black Painted Galvanized Color-Coated Oiled
| Selling Units | : | Ton |
| Package Type | : | Bundling and Seaworthy Packinge |
| Picture Example | : |
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With an annual output of 15 million tons, our company steel is the largest ERW square pipe, rectangular pipe, hollow pipe, Galvanized Pipe and spiral Welded Pipe manufacturer in China. Annual sales reached $5 billion. Our company steel has 59 black ERW pipe production lines, 10 galvanized pipe production lines, 3 spiral welded pipe production lines, 1 JCOE LSAW Steel Pipe production line. Square pipe 10 * 10 * 0.5mm to 1000 * 1000 * 60MM, rectangular steel pipe 10 * 15 * 0.5mm to 800 * 1100 * 60MM, spiral pipe Ø 219-1420mm can be made of yield strength from Q (s) 195 MPa to Q (s) 690 MPa. Our company can produce square rectangular tubes according to ASTM A500/A501, JIS G3466, EN10219, EN10210, BV, DIN2240 and AS1163, GB/T9711, GB/T3091, GB/T3094, GB/T6728 etc,
and our mill were certified by BC1, EPD, PHD, ISO9001, ISO14001, ISO45001. Our company steel has the largest steel pipe inventory in China, which can meet the urgent purchasing demand of customers. Welcome everyone to contact us, and visit our factory online or offline.
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 EN10216-5, EN10217-7, DIN17456, DIN 17458 JIS G3463, JIS G3119, JIS G3446, JIS G3218, JIS G3258, JIS G3448, JIS H4631 |
| Outer Diamater | 1) Round Pipe: 8mm - 680mm 2) Square Pipe: 10mm*10mm - 500mm*500mm 3) Rectangular Pipe: 10mm*20mm -500mm*450mm |
| 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 2) Beveled 3) Threaded with coupling and plastic cap |
| 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 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 |
| 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 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 |
| 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 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 |
| 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 Customized products delivered within 7-10 days |
| Payment Terms | 30% T/T in advance, 70% T/T 70% L/C at sight balance before shipment |
| REGULAR SIZE | ||
| SIZE (OUTER DIAMETER) | WALL THICKNESS | LENGTH |
| 20x20 / 25x25 | 1.2MM --2.75MM | 6M IN STOCK (OR CUSTOMIZED) |
| 30x30 / 20x40 / 30x40 / 25x40 | 1.2MM -- 3.5MM | 6M IN STOCK (OR CUSTOMIZED) |
| 40x40 / 50x50 30x50 / 25x50 / 30x60 / 40x60 | 1.2MM -- 4.75 MM | 6M IN STOCK (OR CUSTOMIZED) |
| 60x60 / 50x70 / 40x80 / 40x50 | 1.2 MM -- 5.75 MM | 6M IN STOCK (OR CUSTOMIZED) |
| 70x70 / 60x80 / 50x80 / 100x40 / 50x90 | 1.5MM -- 5.75 MM | 6M IN STOCK (OR CUSTOMIZED) |
| 75x75 / 80x80 / 90x90 60x100 / 50x100 / 120x60 / 100x80 / 60x90 | 1.5MM -- 7.75 MM | 6M IN STOCK (OR CUSTOMIZED) |
| 100x100 / 120x80 | 1.8MM -- 7.75 MM | 6M IN STOCK (OR CUSTOMIZED) |
| 120x120 / 130x130 180x80 / 160x80 / 100x150 / 140x80 / 140x60 | 2.5MM -- 10.0 MM | 6M IN STOCK (OR CUSTOMIZED) |
| 140x140 / 150x150 / 100x180 / 200x100 | 2.5MM -- 10.0 MM | 6M IN STOCK (OR CUSTOMIZED) |
| 160x160 / 180x180 / 200x150 | 3.5MM -- 11.0 MM | 6M IN STOCK (OR CUSTOMIZED) |
| 200x200 / 250x150 / 100x250 | 3.5MM -- 11.0 MM | 6M IN STOCK (OR CUSTOMIZED) |
| 250x250 / 250x200 / 300x150 / 300x200 | 4.5MM -- 15.0 MM | 6M IN STOCK (OR CUSTOMIZED) |
| 300x300 / 350x200 / 350x250 /300x150 | 4.5MM -- 15.0 MM | 6M IN STOCK (OR CUSTOMIZED) |
| 350x350 350x300 / 450x250 / 400x300 / 500x200 | 4.5MM -- 15.75 MM | 6M IN STOCK (OR CUSTOMIZED) |
| 400x400 / 280x280 450x300 / 450x200 / 400x350 / 400x250 / 500x250 / 500x300 | 4.5MM -- 15.75 MM | 6M IN STOCK (OR CUSTOMIZED) |
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