AISI H11 Hot-Work Tool Steel (Hardened+Tempered 370C) vs AISI H13 Hot-Work Tool Steel (Hardened+Tempered 538C)
Property comparison of AISI H11 Hot-Work Tool Steel (Hardened+Tempered 370C) and AISI H13 Hot-Work Tool Steel (Hardened+Tempered 538C), both tool steel.
| Property | AISI H11 Hot-Work Tool Steel (Hardened+Tempered 370C) | AISI H13 Hot-Work Tool Steel (Hardened+Tempered 538C) | Difference |
|---|---|---|---|
| Yield strength | 1,482 MPa | 1,380 MPa | -7% |
| Tensile strength | 1,792 MPa | 1,590 MPa | -11% |
| Elastic modulus | 207,000 MPa | 215,000 MPa | +4% |
| Poisson ratio | 0.285 | 0.285 | 0% |
| Density | 7,750 kg/m³ | 7,800 kg/m³ | +1% |
| Thermal conductivity | 42.2 W/m·K | 28.6 W/m·K | -32% |
| Coefficient of thermal expansion | 0.000012 1/K | 0.00001 1/K | -13% |
| Melting point | 1,427 °C | 1,427 °C | 0% |
| Reduction in area | 30 % | 50 % | +67% |
Difference is AISI H13 Hot-Work Tool Steel (Hardened+Tempered 538C) relative to AISI H11 Hot-Work Tool Steel (Hardened+Tempered 370C). Values are taken from the representative row of each material; both materials may have multiple heat treatments or conditions on their individual pages.
Identification
- grade
- H11
- standard
- ASTM A681
- heat treatment
- Hardened+Tempered 370C
- grade
- H13
- standard
- ASTM A681
- heat treatment
- Hardened+Tempered 538C
About H-series hot-work tool steels
H-series tool steels are hot-work grades designed to retain hardness at elevated temperatures. H13 is the most common die-casting and forging die material. They contain chromium and tungsten or molybdenum to resist softening during repeated thermal cycling.
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