Q195 Square/Rectangular Welded Carbon Steel Pipe/Tube API 5L ASTM A53 in Stock Suitable for Cold Climates for Building Material

Rectangular/Square tube is a hollow square cross-section lightweight thin-walled steel tube, also known as steel cooling bending profiles. It is Q235 hot-rolled or cold-rolled steel strip or coil as the base material by cold bending process and then by high-frequency welding made of square cross-section shape size of the steel section. Hot rolled extra thick walled square tube in addition to wall thickening, its corner dimensions and edge straightness have reached or even exceeded the level of resistance welding cold-formed square tube.
Classification of rectangular/square tube: steel pipe seamless steel pipe and welded steel pipe (seamed pipe) hot-rolled seamless square tube, cold-drawn seamless square tube, extruded seamless square tube, welded square tube.
Which welded square tube is divided into:
1.according to the process - electric arc welding square tube, resistance welding square tube (high frequency, low frequency), gas welding square tube, furnace welding square tube;
2.according to the welding seam - straight seam welded square tube, spiral welded square tube.

Product Name	Welded Carbon steel pipe
Standard	ASTM: A105, A106, A106B, A106C, A178, A179, A192, A210, A519, A53, A53A, A53B,API5L,etc ASME: B36.19, B36.10,etc SAE1018, SAE1020, SAE1045,etc JIS: S20C, S25C, S35C, S45C, S55C,etc DIN: C35, CK35, C45, CK45, etc GB/T: 10#, 20#, 35#, 45#, 55#, etc
Material	16Mn, 50Mn, 20Cr, 40Cr, 15CrMo, 20CrMo, 30CrMo, 35CrMo, 42CrMo, SS400,etc C35/CK35, C45/CK45, etc SAE1018, SAE1020, SAE1045,etc St37, St52, etc Q195, Q215, Q235, Q275,Q295,Q345,Q355,Q390,etc S235(JR,J0,J2),S275(JR,J0,J2),S355(JR,J0,J2),S420(N,ML),S460(M,ML)
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
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
Package	Bundles, Bulk,sea worthy wooden case packing or pr your requirement
Inspection	With Hydraulic Testing, Ultrasonic testing or X-ray Test
Date of Delivery	Less Than 7/15/20/25/30/40/50/60 Days According To The Quantity
Package	Standard sea-worthy package or as required
Seaworthy packing	20ft GP: 5.8m(length) x 2.13m(width) x 2.18m(high) ;about 24-26CBM
	40ft GP: 11.8m(length) x 2.13m(width) x 2.18m(high) ;about 54CBM
	40ft HG: 11.8m(length) x 2.13m(width) x 2.72m(high) ;about 68CBM

 

Detailed Photos

 

Packing Details:
1.Export sea worthy package + water proof paper
2.Safe loading and fixing Professional teams

Delivery Detail: within 7-10 working days after receiving the deposit or according to your order quantity.

1.Best service, inquiry will be reply within 12 h
2.Certification: ISO9001, CE, SGS
3.Competitive price & Quality from our own factory
4.Smooth production ability (20000tons/month)
5.Flexible payment with T/T,L/C etc
6.Quick delivery and standard exporting package
7.Competitive price and quality from our own factory
8.Accept any third party test
9.Professional sales team and reliable factory
10.Customized design is available

Q1. What are your company's main products ?
A1: Our main products are steel products, such as stainless steel & carbon steel plates/sheets/coils, pipes/tubes, (flat/ angle/ round/ square/ hexagonal/…) bars, C channels, H/ I beams and so on.

Q2. How do you control quality ?
A2: Mill Test Certification is supplied with shipment, Third Party Inspection is available. and we also get ISO,SGS Verified.

Q3: What is the terms of packing?
A3: generally, we pack our goods in bundles or coils with rods or belts, we could also pack the goods as the customers requirement.

Q4:What is your delivery time?
A4: For stocks, we could transport the goods to loading port within 3 days after we received your deposit
        For production period, it usually takes about 7-15 days after receiving the deposit.

Q5. What are the advantages of your company ?
A35: We have many professionals, technical personnel, more competitive prices and best after-dales service than other stainless steel companies.

Q6. Can you provide sample ?
A6: We can provide the small samples in stock for free, as long as you contact us.
        Of course, you only need to pay the shipping fee

Q7.What is your terms of payment?
A7: 30% T/T as the upfront deposit, 70% before delivery. We will show you the photos of products and package before you pay the balance.