STKM13C is a versatile carbon steel alloy renowned for its strength and adaptability across multiple applications. Its excellent weldability allows for seamless fabrication, making it ideal for welding, bending, and forming into intricate shapes without compromising its structural integrity. This reliability has made STKM13C a staple in industries such as automotive and construction, where durability and performance are paramount.
Table of Contents
- STKM13C Chemical Composition
- CNS STKM13C Mechanical Properties
- STKM13C Steel Physical Properties
- STKM13C Equivalent Materials
- Heat Treatment of JIS G3445 STKM13C
- Creep Strain Limit of CNS STKM13C
- Operating Temperature Range of STKM13C
- STKM13C Steel Grade Hardness
- JIS STKM13C Applications
- Product Range of JIS G3445 STKM13C
- Manufacturing Process of JIS STKM13C
- Delivery Conditions of JIS G3445 Grade STKM13C
- Tolerance on Outside Diameter of STKM 13C
- Tolerance on Thickness of CNS STKM13C
- Process Performance of STKM 13C Steel
- Key Features of JIS STKM13C
STKM13C Chemical Composition
JIS G3445 Grade STKM13C Tubes Are Easy to Form and Shape
JIS G3445 Grade STKM13C tubes are highly versatile and easy to form and shape, making them perfect for bending, welding, and molding into various configurations without difficulty. This ease of manipulation reduces labor costs and enables precise construction, meeting the demands of engineers working on complex projects.
Mechanically, STKM13C exhibits impressive tensile strength with a minimum Rm value of 539 MPa, ensuring it can withstand significant stress without breaking. Additionally, its yield strength ratio of ≥488 MPa ensures robust load-bearing capabilities, making it suitable for demanding applications in automotive, machinery, and construction sectors.
CNS STKM13C Mechanical Properties
| Tensile Strength Rm (MPa) |
Yield Strength Rp0.2 (MPa) |
Elongation A (%) |
Impact Energy KV/Ku (J) |
|---|---|---|---|
| 539 (≥) | 488 (≥) | 21 | 22 |
STKM13C Steel Physical Properties
| Temperature (°C) |
Young’s Modulus (GPa) |
Thermal Conductivity (W/m·°C) |
Specific Heat Capacity (J/kg·°C) |
|---|---|---|---|
| 364 | 979 | 31.3 | 142 |
STKM13C Equivalent Materials
- GB/T 8713 GB/T 3639 20#
- ASTM A519 Grade 1020
- EN 10305-1 E355+SR
- ISO 683-1 C20E4
- DIN 2391 ST52 BK+S
STKM13C Steel Used in Machinery and Automobiles
STKM13C's chemical composition makes it ideal for use in machinery and automotive industries. In machinery, it provides essential strength and durability for structural components, handling heavy loads and pressures effectively. For automobiles, its corrosion resistance and high-temperature tolerance enhance vehicle durability and safety.
Heat Treatment of JIS G3445 STKM13C
| Heat Treatment Temperature | 1491°C – 1554°C |
|---|
Creep Strain Limit of CNS STKM13C
| Creep Strain Limit (10,000h) (Rp1,0) N/mm² |
399 |
|---|
STKM13C Contains up to 0.25% Carbon
STKM13C’s carbon content enhances its hardness and tensile strength, providing better wear resistance and the ability to withstand higher pressures. This makes it an excellent choice for demanding industrial applications.
Operating Temperature of STKM13C Material
| Operating Temperature | 743 °C |
|---|
STKM13C Steel Grade Hardness
| Brinell Hardness (HBS) | 546～175 |
|---|---|
| Rockwell Hardness (HRC) | 30 |
JIS STKM13C Applications
- Furniture
- Machinery
- Bicycles
- Automobiles
- Appliances
Explore the Product Range of JIS G3445 STKM13C
STKM13C offers a wide variety of product forms, allowing flexibility and reliability across diverse industrial applications.
Range of Products of JIS G3445 STKM13C
| Products | Dimensions |
|---|---|
| Plates/Sheets | 0.08-200mm(T)*W*L |
| Steel Bar | 8-1200mm*L |
| Strip / Coil | 0.03-16.0x1200mm |
| Seamless / Welded Pipes | OD:6-219mm x WT:0.5-20.0mm |
Learn About the Manufacturing Process of JIS G3445 Grade STKM13C
Manufacturing Process of STKM13C
Forging of STKM13C occurs at temperatures ranging from 2012°F to 2192°F. During this process, the material is heated to become moldable and then shaped under high pressure. Maintaining optimal temperature is critical to prevent damage.
Hot rolling involves heating the material to temperatures between 2000°F and 2400°F, making it malleable for shaping. Afterward, it passes through rollers to achieve the desired dimensions.
Cold rolling strengthens the material while preserving a smooth surface and finish.
Casting involves melting STKM13C at temperatures between 2597°F and 2804°F. The material is melted in a furnace and poured into molds to form the desired shape.
Delivery Conditions of JIS G3445 Grade STKM13C
- Annealed
- Solution and Aging
- Quenched and Tempered
- Acid Washed
- Shot Blasted
- Rough Turned
Tolerance on Outside Diameter of STKM 13C Material
| Division | Tolerances on OD |
| No. 1 | Below 50mm ±0.5mm |
| 50mm or above ±1% | |
| No. 2 | Below 50mm ±0.25mm |
| 50mm or above ±0.5% |
Tolerance on Thickness of CNS STKM13C
| Size | Tolerance |
|---|---|
| Below 4mm | +0.6mm to -0.5mm |
| 4mm or above | -12.50% to +15% |
Process Performance of STKM 13C Steel
| Steel Grade | Machinability | Weldability | Hardenability | Cold Formability |
|---|---|---|---|---|
| STKM 13C | Good | Excellent | Low | Good |
Key Features of JIS STKM13C
- High dimensional accuracy
- Superior surface finish
- Excellent ductility
- Highly versatile and adaptable
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