Yosun (Tianjin) Piping Engineering Co., Ltd. is one of the most credible manufacturers and suppliers of 20g alloy pipe in China. Please feel free to wholesale customized 20g alloy pipe at competitive price from our factory. If you have any enquiry about quotation, please feel free to email us.
20G steel pipe is GB/5310 national standard steel , the most commonly used boiler steel pipe steel, the steel has a certain room temperature and high temperature strength, low carbon content, has better plasticity and toughness, and its hot and cold forming and welding performance is good.
Chemical Composition
The chemical composition of 20G steel mainly includes: C 0.17%-0.23%, Si 0.17%-0.37%, Mn 0.35%-0.65%, S≤0.015%, P≤0.025%. These elements together determine the performance characteristics of 20G steel, with high strength, good toughness and plasticity, good wear resistance, good welding performance and so on.
Mechanical Properties
|
Yield strength Rp0.2 (Mpa) |
Tensile strength Rm (Mpa) |
Heat treatment condition |
Brinell hardness (HV) |
|
245(≥) |
410~550 |
N;880°C~940°C |
120~160 |
Application Field
Mechanical Manufacturing
Used to manufacture various mechanical parts, such as shaft parts, gears, threads, etc.
Welding Structure
Used to manufacture various welding structures, such as Bridges, transmission towers, ships, etc.
Engineering Pipeline
Used to manufacture pipelines for transporting oil, natural gas, water and other media.
Railway Vehicles
Used to manufacture the body, chassis and other components of railway vehicles.
Hot Tags: 20g alloy pipe, China 20g alloy pipe manufacturers, suppliers, alloy pipe with excellent weldability, alloy pipe for water treatment, Chromoly Alloy Pipe, ASTM A335 P9 Pipe, alloy pipe according to asme standards, alloy pipe for pumps
