JIS G3444 carbon structural steel tube chemical composition:
|
Chemical Composition % |
|||||
|
Steel Grade |
C |
Si |
Mn |
P |
S |
|
STK 400 |
0.25 max. |
- |
- |
0.040 max. |
0.040 max. |
|
STK 490 |
0.18 max. |
0.55 max. |
1.50 max. |
0.040 max. |
0.040 max. |
JIS G3444 structural steel tube mechanical property:
|
Steel Grade |
Tensile strength |
Yield Strength |
Elongation % |
|
MPa |
MPa |
(No.5 test piece) | |
|
STK 400 |
400 {41} min. |
245 {25} min. |
23 min. |
|
STK 490 |
490 {50} min. |
325 {33} min. |
23 min. |
Outer diameter: 33.4-660mm
Wall thickness:2.1-22mm
Length:0.8-18m
Manufacture Method: Hot Rolled.
Surface Treatment: Coating, Painting, Galvanized, etc.
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.
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