JIS G3475 carbon steel pipes are widely used in various building structures, such as bridges, high-rise buildings, factories, etc.
JIS G3475 standard covers three grades, STKN400W, STKN400B, STKN490B. The size range is from 114.3mm to 1000.0mm in outer diameter.
Products Data
JIS G3475 Carbon Steel Tubes for Building Structure Specifications
Chemical composition %
|
Grade |
C |
Si |
Mn |
P |
S |
N |
|
SYKN400W |
≤0.25 |
- |
- |
≤0.030 |
≤0.030 |
≤0.006 |
|
SYKN400B |
≤0.25 |
≤0.35 |
≤1.40 |
≤0.030 |
≤0.015 |
≤0.006 |
|
SYKN490B |
≤0.22 |
≤0.55 |
≤1.60 |
≤0.030 |
≤0.015 |
≤0.006 |
| Specification: | Carbon Steel Tubes for Building Structure |
| Application: | For Building Structure |
| Grade: | STKN400W/400B/490B |
| Manufacture: | Seamless or Welded Process |
| Section of Shape: | Round |
| Outside Diameter: | 12.7mm to 1547.8mm according to JIS G3475 |
| Wall Thickness: | According to JIS G3475 or Specified |
| Length of Pipe: | Fixed 5.8/6 Meters or SRL/DRL or Specified |
| Permissible Variations: | According to JIS G3475 Standard |
| End of Finish: | Plain & Beveled End &THD with Coupling |
Products display
JIS G3475 Steel Tubes For Building Structure
Why Choose GNEE
GNEE currently covers an area of 35,000 square meters, with a production area of 10,000 square meters. There are 200 employees, including 20 engineers and technicians. The company has seven management departments, including procurement, technology, quality inspection, sales, production, company office, and finance; as well as three production workshops, including pipeline system, membrane wall, collector box, module, and paint packaging. It has advanced automatic welding equipment and testing equipment such as submerged arc automatic welding of membrane modules and automatic welding of finned tubes.sales@gneetube.com
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FAQ
Q: Do you have quality control?
A: Yes, we have gained BV, SGS authentication.
Q: Can you arrange the shipment?
A: Sure, we have permanent freight forwarder who can gain the best price from most ship company and offer professional service.
Q: How long is your delivery time?
A: Generally it is 7-14 days if the goods are in stock. or it is 25-45 days if the goods are not in stock, it is according to quantity.
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