JIS G3444 Structural Steel Tube

JIS G3444 is a Japanese industrial standard for carbon steel pipes for general structural use. Steel pipes of this standard are widely used in construction, bridges, machinery manufacturing, ships, vehicles and other structural engineering.
JIS G3444 carbon pipe standard specifies the size, chemical composition and mechanical properties of structural steel pipes. Common steel grades are STK290, STK400, STK490, STK500 and STK540.

Why Choose GNEE

GNEE has been specialized in producing steel pipes for more than 16 years and has rich experience. The factory has professional technicians and engineers, professional testing equipment, and rich delivery experience.
We have established an effective and complete quality control and assurance system. The company has also obtained ISO9001 quality system certification.
If you would like to know more about our company or our products, please feel free to contact us.

 

FAQ

Q. Are your prices competitive?
A: for the same quality, our price is lower, for the same price, our quality is the best better.
Q. Whether to support OEM or ODM?
A: We welcome customers to cooperate with us by OEM or ODM. We have a professional technical team, can be customized according to drawings or requirements.