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Leading Manufacturer, Supplier & Retailer of Hot Die Steel Rod and Hot Die Steel Rod H21 1.2581 Din.
| Element | Content (%) |
|---|---|
| Chromium, Cr | 4.75-5.50 |
| Molybdenum, Mo | 1.10-1.75 |
| Silicon, Si | 0.80-1.20 |
| Vanadium, V | 0.80-1.20 |
| Carbon, C | 0.32-0.45 |
| Nickel, Ni | 0.3 |
| Copper, Cu | 0.25 |
| Manganese, Mn | 0.20-0.50 |
| Phosphorus, P | 0.03 |
| Sulfur, S | 0.03 |
Physical Properties
The physical properties of H13 tool steels are given in the following table.
| Properties | Metric | Imperial |
|---|---|---|
| Density (@20°C/68°F) | 7.80 g/cm3 | 0.282 lb/in3 |
| Melting point | 1427°C | 2600°F |
Mechanical Properties
The mechanical properties of H13 tool steels are tabulated below.
| Properties | Metric | Imperial |
|---|---|---|
| Tensile strength, ultimate (@20°C/68°F, varies with heat treatment) | 1200 - 1590 MPa | 174000 - 231000 psi |
| Tensile strength, yield (@20°C/68°F, varies with heat treatment) | 1000 - 1380 MPa | 145000 - 200000 psi |
| Reduction of area (@20°C/68°F) | 50.00% | 50.00% |
| Modulus of elasticity (@20°C/68°F) | 215 GPa | 31200 ksi |
| Poisson's ratio | 0.27-0.30 | 0.27-0.30 |
Thermal Properties
The following table shows the thermal properties of H13 tool steels.
| Properties | Conditions | ||
|---|---|---|---|
| T (ºC) | Treatment | ||
| Thermal expansion | 10.4 x 10-6/ºC | 20-100 | - |
| Thermal conductivity | 28.6 W/mK | 215 | - |
Krushant Shah (P. B. International)
Parekh Building Out-House, Ground Floor, Office No. 4, Opposite Panchratna Building 18, Mama Parmanand Marg, Opera House, Mumbai, Maharashtra - 400004
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