Carbon steel pipe is devided into hot rolling and cold rolling (drawing) steel pipe.
Hot rolled carbon steel tube general steel pipe, low and medium pressure boiler pipe, high pressure boiler tube, alloy steel, stainless steel pipe, oil cracking pipe, geological steel pipe and other steel pipe and so on.
Cold-rolled (dial) carbon steel pipe in addition to general steel tube, low medium pressure boiler pipe, high pressure boiler tube, alloy steel, stainless steel pipe, oil cracking pipe, steel pipe, other include carbon thin wall steel tube, alloy thin wall steel pipes, thin-walled stainless steel tube, steel tube.
Generally greater than 32 mm hot rolled seamless steel tube diameter, wall thickness 2.5 75 mm, to 6 mm cold rolled seamless steel tube diameter, wall thickness to 0.25 mm, to 5 mm thin wall pipe diameter, wall thickness less than 0.25 mm, cold than hot rolled high dimensional accuracy.
General carbon steel pipe: with 10, 20, 30, 35 and 45 high quality carbon steel, 16 mn, 5 MNV low alloy structural steel or 40 cr, 30 crmnsi, 45 mn2 and 40 MNB made of alloy steel hot rolled or cold rolled.
Made in 10, 20, such as low carbon steel seamless tube is mainly used for fluid pipelines.
45, 40 cr made of medium carbon steel seamless pipe manufacturing machinery parts, such as the stress of the automobile and tractor parts.
General use of carbon steel pipe to ensure the strength and the flattening test.
Hot-rolled steel pipe with hot rolled or heat treatment state delivery;
Cold rolled to heat treatment state delivery.

Q: Do you provide samples ?How can I get a sample to check your quality? Is it free or extra ?

A: Free samples are available for your checking and testing. And to get free samples, you need to send us you detailed receiving address (including post code) and your DHL/FedEx/UPS account for collecting samples, courier cost will be paid in your side.

Q: How is the quality of your products?

A: Our products are manufactured strictly according to national and international standard, and we take a test before delivered out. If you want see our quality certifications and all kinds of testing report, please just ask us for it.

Q: Are you factory or trader?

A: Hengchengtai special steel has been manufacturing and selling steel products for many years since 2009. We've gained our Export Right and become an integrated company of industry and trade in order to satisfy buyer's multi-request on different material and products.