The outer diameter of hot-rolled seamless pipe is generally greater than 32mm, wall thickness 2.5-75mm, cold-rolled seamless steel pipe outer diameter can be up to 6mm, wall thickness can be up to 0.25mm, thin-walled pipe outer diameter can be up to 5mm, wall thickness less than 0.25mm, cold-rolled than hot-rolled high dimensional accuracy.

Spiral carbon steel pipe is a kind of spiral-shaped steel pipe formed by winding strip or coil in spiral shape and welding the inner and outer seams with double-sided submerged arc active welding. It can be widely used in water, electricity, chemical and other professional production for the following reasons.

Technical Data

Product Details

Application	Fluid Pipe, Boiler Pipe, Drill Pipe, Hydraulic Pipe, Gas Pipe, OIL PIPE, Chemical Fertilizer Pipe, Structure Pipe, Other
Outer diameter	219mm-3048mm
Thickness	5mm-30mm
Length	12m, 6m
Technique	ERW
Grade	Q235A, Q235B, S275, S275jr, A53, st37, etc
Tolerance	±1%
Processing Service	Welding, Punching, Cutting, Bending, Decoiling
Oiled or Non-oiled	Non-oiled
Standard	ASTM,A252,ASTMA53
Material	Q195/Q215/Q235/Q345/#20/#45
Usage	Construction Structure
Technology	Hot Rolled Cold Rolled
Processing Service	Welding, Cutting, Bending, Decoiling

Our goal is to develop long-term and reliable cooperative relations, and now we have long-term cooperative partners in America，Pakistan, Bangladesh, Israel, Ethiopia, Vietnam, Singapore, Brazil and other countries and have been widely recognized by customers. The company has a strong financial backing, can accept a large amount of sight irrevocable LC, and, guarantee the delivery time!

Do our best to meet all customer needs. Looking forward to doing business and making friends with customers all over the world!

FAQ

1.Q: Are you a factory or trading company?
A: We are professional manufacturer, and our company also is a very professional a trade company for steel products.We can provide a wide range of steel products.

2.Q:What do your factory do regarding quality control?
A: We have obtained ISO, CE and other certifications. From materials to products, we check every process to maintain good quality.

3.Q: Can I get samples before order ?
A: Yes, of course. Usually our samples are free. we can produce by your samples or technical drawings.

4.Q:How do you make our business long-term and good relationship?
A:We keep good quality and competitive price to ensure our customers benefit ; We respect every customer as our friend and we sincerely do business and make friends with them. No matter where they come from.

5.Q:what is your delivery time ?
A: Our delivery time is about one week, timing according to the number of customers.

Consult our expert technicians today for professional solutions.

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Square Tube Application

Feb 07, 2023

Rectangular tube is a kind of hollow long steel, also called flat tube, flat square tube or square flat tube (as the name implies). With the same bending and torsional strength, it is lighter in weight, so it is widely used for manufacturing mechanical parts and engineering structures.