Wuxi Jin Ming Jian De Industry & Trade Co., Ltd. is one of the leading manufacturers and suppliers of q275 carbon steel coil in China. If you're going to wholesale the newest q275 carbon steel coil made in China, welcome to get pricelist from our factory. All customized products are with high quality and competitive price.
Q275 Carbon Steel Coil is a medium-strength carbon structural steel produced according to GB/T 700 Chinese standard. Compared with Q235 and Q215 grades, Q275 offers significantly higher yield strength and tensile strength, while still maintaining good machinability, weldability, and forming performance.
It is widely used in engineering structures and industrial manufacturing where higher load-bearing capacity is required but cost efficiency must be maintained.
Equivalent Grades:
|
Country |
Standard |
Grade |
|
China |
GB/T 700 |
Q275 |
|
USA |
ASTM |
A572 Grade 42 / A36 (Comparable) |
|
Europe |
EN |
S275JR |
|
Japan |
JIS |
SS490 |
|
Russia |
GOST |
St5 |
Chemical Composition:
|
Element |
Content |
|
C (Carbon) |
≤ 0.24 |
|
Si (Silicon) |
≤ 0.35 |
|
Mn (Manganese) |
0.50 – 0.80 |
|
S (Sulfur) |
≤ 0.050 |
|
P (Phosphorus) |
≤ 0.045 |
Mechanical Properties:
|
Property |
Value |
|
Yield Strength |
≥ 275 MPa |
|
Tensile Strength |
410 – 540 MPa |
|
Elongation |
≥ 20% |
Applications
- Structural steel components
- Construction frameworks
- Machinery manufacturing
- Heavy-duty fabrication parts
- Load-bearing welded structures
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