Each process is strictly controlled by computer program to ensure that each group of hone tube, astm a213 t11, a335 p22 leaving our company has a very high quality level. We have advanced production equipment and experienced management and design talents, and have won the praise of our customers with fast delivery time and professional service level. In the future development process, we will continue to pursue excellent quality, sincerely serve customers and always guide the trend of the industry. Our service tenet has always been 'Trust and trustworthiness, customer first'. We strive to provide customers with the most professional products, the best quality service, and the most suitable price! We actively create a good environment conducive to the growth of employees, hoping to create a high-quality, pioneering spirit, master the advanced technology of all-round talents.
Products Description
JIS G3445 Stkm11a Precision Steel Automobile Tubes
Why choose JIS G3445 precision steel pipe in the automotive industry?
- JIS G3445 precision steel tubes are manufactured by cold drawing to tight dimensional tolerances, ensuring consistent inside and outside diameters. This is critical for automotive components such as shock absorber cylinders, steering columns, and fuel systems, where the fit and function must be precise.
- STKM11A or STKM12A low-carbon grades ensure excellent weldability and avoid the risk of cracking in the heat-affected zone. They can be used for complex bends, flaring, etc., which are common in automotive parts manufacturing.
- For high-volume automotive production, JIS G3445 is often more economically viable. And JIS G3445 is the de facto standard for many Japanese and Korean automakers. It directly matches the automaker's design protocols and material databases, reducing the need for recertification or additional testing.
Applications of JIS G3445 Precision Steel Automobile Tubes
JIS G3445 Stkm11a Precision Steel Automobile Tubes find extensive application in various automotive components, including but not limited to:
- Suspension systems
- Steering columns
- Drive shafts
- Axles
- Chassis components
Chemical Composition
| Element | Carbon (C) | Silicon (Si) | Manganese (Mn) | Phosphorus (P) | Sulfur (S) |
| Composition (%) | 0.12 - 0.20 | 0.15 - 0.35 | 0.60 - 0.90 | ≤ 0.040 | ≤ 0.040 |
Mechanical Properties
| Property | Tensile Strength | Yield Strength | Elongation | Hardness (HRB) |
| Value | 335 MPa min | 215 MPa min | 30% min | 75 max |
Physical Properties
| Property | Density | Thermal Conductivity | Specific Heat Capacity |
| Value | 7.85 g/cm³ | 52.9 W/(m·K) | 0.486 J/g·K |
Possible Alternative Grades
While Stkm11a is a popular choice for precision steel automobile tubes, there are alternative grades available depending on specific requirements. Some possible alternatives include:
Stkm12a
Stkm13a
Stkm14a
Each alternative grade may offer slightly different properties, allowing for customization based on application needs.
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We will focus on the development and application of new processes, new processes, new materials and new manufacturing methods to create Seamless Steel Tube Stkm11A Stkm12A Stkm12b Stkm12c Carbon Steel Tubes worthy of customers' attention. Our company try our best to provide better service for customers with perfect after-sales service system, and sincerely establishes friendly business alliance for domestic and foreign customers. With top quality, excellent service and good reputation, we continue to carry out business reforms and management innovations, and dedicated to improving market competitiveness for our customers.
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