Carbon steel pipe is mainly used for three purposes: 1. Stainless steel decorative pipe In fact, it is a stainless steel pipe used for decoration, which is mainly widely used in stainless steel anti-theft windows, stair guardrails, stair handrails, etc. 2. Stainless steel industrial pipe It is divided into seamless pipe and welded pipe. Scope of application: due to the thin stainless steel welded pipe and good surface treatment effect, it is mainly used for architectural decoration products, civil decorative art stainless steel products, etc. The stainless steel industrial pipe has thick wall, uneven surface and strong bearing capacity. It is mainly used to make large size, high strength, high toughness, mechanical systems and other products. 3. Stainless steel product pipe Stainless steel product pipe refers to the stainless steel pipe specially customized by the stainless steel pipe manufacturer because the ordinary stainless steel decorative pipe does not meet its use requirements.