ASTM A307 Bolts Grade A, B, Gr 307A Threaded Rod Tensile Yield Strength vs SAE AISI 4140 Steel Properties, Material Heat Treatment, Rockwell Hardness
Ratings Comparison
Strength
ASTM A307 Bolts Grade A, B, Gr 307A Threaded Rod Tensile Yield Strength
5/10
SAE AISI 4140 Steel Properties, Material Heat Treatment, Rockwell Hardness
8/10
Corrosion Resistance
ASTM A307 Bolts Grade A, B, Gr 307A Threaded Rod Tensile Yield Strength
3/10
SAE AISI 4140 Steel Properties, Material Heat Treatment, Rockwell Hardness
3/10
Lightweight
ASTM A307 Bolts Grade A, B, Gr 307A Threaded Rod Tensile Yield Strength
5/10
SAE AISI 4140 Steel Properties, Material Heat Treatment, Rockwell Hardness
5/10
Machinability
ASTM A307 Bolts Grade A, B, Gr 307A Threaded Rod Tensile Yield Strength
6/10
SAE AISI 4140 Steel Properties, Material Heat Treatment, Rockwell Hardness
4/10
Cost Efficiency
ASTM A307 Bolts Grade A, B, Gr 307A Threaded Rod Tensile Yield Strength
9/10
SAE AISI 4140 Steel Properties, Material Heat Treatment, Rockwell Hardness
9/10
Temperature Resistance
ASTM A307 Bolts Grade A, B, Gr 307A Threaded Rod Tensile Yield Strength
7/10
SAE AISI 4140 Steel Properties, Material Heat Treatment, Rockwell Hardness
7/10
Properties Comparison
| Property | ASTM A307 Bolts Grade A, B, Gr 307A Threaded Rod Tensile Yield Strength | SAE AISI 4140 Steel Properties, Material Heat Treatment, Rockwell Hardness |
|---|---|---|
| Metal Base | Steel | Steel |
| Tensile Strength | — | 1020.0 MPa |
| Yield Strength | — | 655.0 MPa |
| Elongation | — | 17.7 % |
| Hardness (Brinell) | — | 302.0 HB |
| Elastic Modulus | — | — |
| Density | — | — |
| Melting Point | — | — |
| Thermal Conductivity | — | — |
| Weldable | — | — |
| Heat Treatable | — | — |
| Magnetic | — | — |