JIS G 3445 STKM 13B grade specification covers carbon steel pipes for mechanical structural purposes.
JIS G 3445 STKM 13B grade pipes are low carbon steel pipes with a carbon content of up to 025% and a manganese content of 030-090%, which are easy to form. JIS G 3445 STKM 13B mechanical structural pipes are manufactured through the production process of seamless steel pipes, which ensures that the inner and outer walls of the steel pipes are smooth and flawless, and have excellent mechanical properties. Low carbon steel pipes are not as hard as high carbon steel pipes, but carburizing can increase their surface hardness. Widely used in the field of automobile manufacturing.
Chemical Composition and Mechanical Property of JISG3445 STKM13B car and structure seamless pipe
| C | P | S | ||||
|
STKM13B |
Less than or equal to 0.25 |
Less than or equal to 0.35 |
0.30-0.90 |
Less than or equal to 0.040 | Less than or equal to 0.040 | - |
| STKM13B | 305 | 440 | No.4,No.11, No.12 I | No.4, No5, T | ||||||
| 20 min | 15min | |||||||||
Standard: JIS G3445
Size: 4mm-340mm
W.T.: 1mm-50mm
Length: Single random length/ Double random length or as customer's actual request max length is 10m
Grade: STKM 13A, STKM 13B, STKM 13C
JIS G3445 STKM 13B Structural Carbon Steel Tubes
GNEE has established a long-term and stable cooperative relationship with the steel industry. All products are supplied in accordance with the standards of ASTM/AISI in the United States, DIN in Germany, JIS in Japan, and GB in China, and can also be supplied according to the technical requirements provided by customers.
Our products are exported to more than 60 countries and regions including Russia, Canada, India, Brazil, and Southeast Asia.
Q.What is your after-sales service?
A.We provide after-sales service and 100% quality assurance for our products.
A.Delivery time is usually about 1 month, if we have stock, we can ship within 7 days.
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