ASTM A765 Grade II Steel: Normalized & Tempered, Double Normalized & Tempered, or Quenched & Tempered Properties
Properties
General
| Property | Temperature | Value | Comment |
|---|---|---|---|
Density | 23.0 °C | 7.8 - 7.9 g/cm³ | Typical for Medium Carbon Steel |
Mechanical
| Property | Temperature | Value | Comment |
|---|---|---|---|
Charpy impact energy | 23.0 °C | 20 J | |
Elastic modulus | 23.0 °C | 200 - 215 GPa | Typical for Medium Carbon Steel |
Elongation A50 | 23.0 °C | 22 % | |
Poisson's ratio | 23.0 °C | 0.29 [-] | Typical for Medium Carbon Steel |
Reduction of area | 23.0 °C | 30 % | |
Shear modulus | 23.0 °C | 75 - 80 GPa | Typical for Carbon Steel |
Tensile strength | 23.0 °C | 485 - 655 MPa | |
Yield strength Rp0.2 | 23.0 °C | 250 MPa |
Thermal
| Property | Temperature | Value | Comment |
|---|---|---|---|
Coefficient of thermal expansion | 23.0 °C | 1.32E-5 1/K | Typical for Medium Carbon Steel |
Max service temperature | 500 °C | Typical for Carbon Steel | |
Melting point | 1380 - 1514 °C | Typical for Medium Carbon Steel | |
Specific heat capacity | 23.0 °C | 470 - 520 J/(kg·K) | Typical for Medium Carbon Steel |
Thermal conductivity | 23.0 °C | 21 - 52 W/(m·K) | Typical for Medium Carbon Steel |
Electrical
| Property | Temperature | Value | Comment |
|---|---|---|---|
Electrical resistivity | 23.0 °C | 1.43E-7 - 1.74E-7 Ω·m | Typical for Carbon Steel |
Chemical properties
| Property | Value |
|---|---|
Aluminium | 0.05 % |
Carbon | 0.3 % |
Chromium | 0.4 % |
Copper | 0.35 % |
Manganese | 0.6 - 1.35 % |
Molybdenum | 0.1 % |
Nickel | 0.5 % |
Phosphorus | 0.02 % |
Silicon | 0.15 - 0.35 % |
Sulfur | 0.02 % |
Vanadium | 0.05 % |
Metal
- ASTM A541 Grade 1A Quenched & Tempered Stainless Steel – High Strength, Excellent Impact & Corrosion Resistance
- ASTM A709 Grade 345CR – High‑Strength Normalized, Tempered, or Quenched & Tempered Steel
- ASTM A727 Grade A727 – Normalized, Normalized & Tempered, or Quenched & Tempered Steel
- ASTM A765 Grade I Steel – Normalized & Tempered, Double Normalized & Tempered, or Quenched & Tempered Specifications
- ASTM A765 Grade III Steel: Normalized, Tempered, or Quenched & Tempered Properties
- ASTM A765 Grade IV Steel: Normalized, Double Normalized, or Quenched & Tempered Properties
- ASTM A945 Grade 65 – Non‑Treated, Normalized, or Q&T Steel Specifications
- ASTM A522 Grade I – Double Normalized & Tempered (Quenched & Tempered) Steel Properties
- ASTM A522 Grade II Steel – Double Normalized & Tempered or Quenched & Tempered
- ASTM A945 Grade 50 Steel – Non‑Treated, Normalized, or Q&T – Performance Specs