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STKM13C is a carbon steel material renowned for its strength and versatility, making it suitable for various applications. Known for its excellent weldability, it can be easily bent, welded, and formed into different shapes without compromising its structural integrity. This adaptability makes it a reliable choice for industries such as automotive and construction.
Table of Contents
- Chemical Composition of STKM13C
- Mechanical Properties of CNS STKM13C
- Physical Properties of STKM13C Steel
- Equivalent Materials to STKM13C
- Heat Treatment of JIS G3445 STKM13C
- Creep Strain Limit of CNS STKM13C
- Operating Temperature Range of STKM13C Material
- Hardness of STKM13C Steel Grade
- Applications of JIS STKM13C
- Product Range of JIS G3445 STKM13C
- Manufacturing Processes of JIS STKM13C
- Delivery Conditions for JIS G3445 Grade STKM13C
- Outside Diameter Tolerance of STKM 13C Material
- Thickness Tolerance of CNS STKM13C
- Process Performance of STKM 13C Steel
- Characteristics of JIS STKM13C
Chemical Composition of STKM13C
JIS G3445 Grade STKM13C Tubes: Easy to Shape, Check Mechanical Properties
STKM13C Tubes are simple to form and shape, making them ideal for bending, welding, and forming into various shapes without causing any issues to the material. This feature simplifies the fabrication process, reducing labor costs and enabling precise creation of complex structures. Engineers appreciate these properties when working on their projects.
Mechanically, STKM13C demonstrates impressive tensile strength, with a minimum tensile stress of 539 MPa, indicating its ability to withstand stretching or pulling without breaking. This is crucial in applications requiring structural integrity and load-bearing capabilities.
Its yield strength ratio stands at 488 MPa, meaning it can endure significant loads without permanent deformation. This makes it suitable for industries needing robust structural components like 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) |
Modulus of Elasticity
(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
CNS STKM13C Used in Machinery and Automobiles, Check Heat Treatment
The chemical composition of STKM13C enables its application in machinery and automobiles. In machinery, it provides strength and durability, supporting heavy loads and pressures while maintaining stability. For automobiles, its corrosion resistance and ability to withstand high temperatures ensure durability and safety in vehicle construction.
Heat Treatment of JIS G3445 STKM13C
| Heat Treatment |
1491°C – 1554°C |
Creep Strain Limit of CNS STKM13C
Creep Strain Limit (10000h)
(Rp1,0) N/mm² |
399 |
STKM13C Steel Contains Up to 0.25% Carbon, See Operating Temperature
STKM13C, containing up to 0.25% carbon, enhances its strength and ductility. The increased hardness and tensile strength make it resistant to wear and capable of handling high-pressure conditions.
Operating Temperature of STKM13C Material
| Operating Temperature |
743 °C |
STKM13C Steel Grade Hardness
JIS STKM13C Applications
- Furniture
- Machinery
- Bicycles
- Automobiles
- Appliances
Check JIS G3445 STKM13C Material Product Range
STKM13C offers a wide range of forms, making it versatile and reliable for various manufacturing and industrial applications.
Product Range 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 |
See JIS G3445 Grade STKM13C Manufacturing Process
STKM13C Manufacturing Process
Forging of STKM13C is performed within a temperature range of 2012°F to 2192°F. During this process, the material is heated to make it malleable before being shaped under high pressure. Maintaining precise temperature control is vital to avoid damaging the material.
Hot rolling involves heating STKM13C to temperatures between 2000°F and 2400°F, making it pliable enough to be shaped easily. It is then passed through rollers to adjust its thickness according to desired specifications.
Cold rolling strengthens the material while keeping its surface smooth and polished.
Casting entails melting STKM13C at temperatures ranging from 2597°F to 2804°F. The metal is melted in a furnace until liquefied, then poured into molds to take desired shapes.
JIS STKM13C Manufacturing Process
- Forging
- Hot Rolling
- Cold Rolling
- Casting
- Cold-Rolled
- Hot-Rolled
- Hot Extrusion
Delivery Condition of JIS G3445 Grade STKM13C
- Annealed
- Solution and Aging
- Quenched and Tempered
- Acid Washed
- Shot Blasting
- Rough Turning
Tolerance on Outside Diameter of STKM 13C Material
| Div |
Tolerances on the OD |
| No. 1 |
Under 50mm ±0.5mm |
| 50mm or over ±1% |
| No. 2 |
Under 50mm ±0.25mm |
| 50mm or over ±0.5% |
Tolerance on Thickness of CNS STKM13C
| Size |
Tolerance |
| Under 4mm |
+0.6mm to -0.5mm |
| 4mm or over |
-12.50% to +15% |
STKM 13C Steel Process Performance
| Steel Grade |
Machinability |
Weldability |
Hardenability |
Cold Formability |
| STKM 13C |
Good |
Excellent |
Low |
Good |
Features of JIS STKM13C
- High dimensional accuracy
- Excellent surface finish
- Good ductility
- Versatile and adaptable
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Carbon Steel Bar
Shandong Yuzhong Steel Co.,Ltd. , https://www.cnyzsteel.com
