Carbon Steel Grade Comparison Table
Grade |
Country |
Standard |
Chemical Composition |
Mechanical Properties |
Grade 1010 |
USA |
AISI/SAE |
C: 0.08-0.13, Mn: 0.30-0.60 |
Tensile Strength: 380 MPa |
Grade 1018 |
USA |
AISI/SAE |
C: 0.14-0.20, Mn: 0.60-0.90 |
Tensile Strength: 440 MPa |
Grade 1020 |
USA |
AISI/SAE |
C: 0.18-0.23, Mn: 0.30-0.60 |
Tensile Strength: 450 MPa |
Grade 1045 |
USA |
AISI/SAE |
C: 0.42-0.50, Mn: 0.60-0.90 |
Tensile Strength: 620 MPa |
Grade S235JR |
Europe |
EN 10025 |
C: 0.17, Mn: 1.40, Si: 0.55 |
Yield Strength: 235 MPa |
Grade S355J2 |
Europe |
EN 10025 |
C: 0.22, Mn: 1.60, Si: 0.55 |
Yield Strength: 355 MPa |
Grade Q235 |
China |
GB/T 700 |
C: 0.14-0.22, Mn: 0.30-0.65 |
Yield Strength: 235 MPa |
Grade Q345 |
China |
GB/T 1591 |
C: 0.12-0.20, Mn: 1.00-1.60 |
Yield Strength: 345 MPa |
Grade SS400 |
Japan |
JIS G3101 |
C: 0.20, Mn: 1.40 |
Tensile Strength: 400 MPa |
Grade SM490A |
Japan |
JIS G3106 |
C: 0.20, Mn: 1.60 |
Yield Strength: 285 MPa |