GNEE is a leading manufacturer specializing in the export of JIS G3445 carbon steel pipes, exporting to 65 countries each year.
JIS G3445 is a Japanese industrial standard for carbon steel pipes for mechanical structures, suitable for carbon steel pipes used in machinery, automobiles, bicycles, furniture, appliances, and other mechanical parts.
GNEE mainly produces steel pipe grades including STKM11A, STKM12 (A, B, C), etc.
Products Data
Chemical Composition of JIS G3445 Structural seamless pipe
| Grade | Chemical Composition % | |||||
| C | Si | Mn | P | S | Nb or V | |
| STKM11A | ≤0.12 | ≤0.35 | ≤0.60 | ≤0.040 | ≤0.040 | ▾ |
| STKM12A | ≤0.20 | ≤0.35 | ≤0.60 | ≤0.040 | ≤0.040 | - |
| STKM12B | ||||||
| STKM12C | ||||||
| STKM13A | ≤0.25 | ≤0.35 | 0.30~ 0.90 |
≤0.040 | ≤0.040 | - |
| STKM13B | ||||||
| STKM13C | ||||||
| STKM14A | ≤0.30 | ≤0.35 | 0.30~ 1.00 |
≤0.040 | ≤0.040 | - |
| STKM14B | ||||||
| STKM14C | ||||||
The specification of JIS 3445 Mechanical Steel Tube :
Grade: STKM11A, STKM12(A,B,C), STKM13(A,B,C), STKM14(A,B,C)
OD: 19.05mm ~ 114.3mm
WT: 2.0mm ~ 14 mm
Length: max 16000mm
Products display
JIS G3472 Electric Resistance Welded Carbon Steel pipe
Why Choose GNEE
GNEE mainly exports to South Korea, Vietnam, Thailand, the Philippines and other Southeast Asian and Middle Eastern markets. Providing the best quality products, the lowest price, super fast delivery, and short delivery time. The best service is our goal.
If you would like to know more about our company or our products, please feel free to contact us. sales@gneetube.com
GNEE CUSTOMER VISIT
GNEE GROUP PARTICIPATED IN THE NECC EXHIBITION
GNEE FACTORY ENVIRONMENT
GNEE PACKAGING AND SHIPPING
FAQ
Q:Do you offer a service for customized products?
Yes, we can produce according to your specifications and drawings.
Q:Can you assist me in importing steel products for the first time?
Yes, we have shipping agent who will arrange the shipment with you.
Q. What is your delivery time?
Within 7 working days after receiving your balance payment.
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