JIS G 3466, focusing on higher precision and mechanical properties compared to general structural tubes (e.g., JIS G 3445).
precision machinery, automotive parts, and high-stress components.
STKR400400 MPa (general to medium-strength applications).
STKR490490 MPa (higher-strength applications).
20MM × 20MM - 1200MM × 1200MM(SHS)
20MM × 30MM - 1200MM × 1500MM(RHS)
1.2MM - 60MM
1-25M, commonly used 5.8M, 6M, 12M, and we can also supply as your requirement.
The chemical composition of STKR400 and STKR490 is strictly regulated to ensure consistent material properties:
| STKR400 (%) | STKR490 (%) | |
|---|---|---|
| Less than or equal to 0.25 | Less than or equal to 0.18 | |
| - | Less than or equal to 0.55 | |
| - | Less than or equal to 1.65 | |
| Less than or equal to 0.040 | Less than or equal to 0.035 | |
| Less than or equal to 0.040 | Less than or equal to 0.035 |
These compositions ensure that STKR400 and STKR490 have the desired mechanical properties and corrosion resistance.
The mechanical properties of STKR400 and STKR490 are as follows:
| STKR400 | STKR490 | |
|---|---|---|
| Greater than or equal to 400 | Greater than or equal to 490 | |
| Greater than or equal to 245 | Greater than or equal to 325 | |
| Greater than or equal to 23 | Greater than or equal to 23 |
These properties make STKR400 suitable for general structural applications, while STKR490 is ideal for applications requiring higher strength.
STKR400 and STKR490 pipes are manufactured using the following methods:
-
:
-
:
-
:
These pipes are typically not heat-treated after manufacturing.
STKR400 and STKR490 are versatile materials used in a variety of applications:
- :
- :
- :
- :
In summary, STKR400 and STKR490 are high-quality carbon steel tubes that offer excellent mechanical properties, weldability, and durability, making them ideal for a wide range of structural applications.
Etiquetes populars: stkr400 and stkr490, China, suppliers, manufacturers, factory, price
