1.2343
Properties and applications
Resistant to thermal shock and heat checking, with good high-temperature mechanical properties, toughness and machinability. Used for light-alloy die casting, aluminium profile, rod and tube extrusion, and hot-forging tools.
Chemical composition
| Element | Content (%) |
|---|
| C | 0.36–0.42 |
|---|
| Si | 0.90–1.20 |
|---|
| Mn | 0.30–0.50 |
|---|
| P | 0.025 |
|---|
| S | 0.005 |
|---|
| Cr | 4.80–5.50 |
|---|
| Mo | 1.10–1.40 |
|---|
| V | 0.25–0.50 |
|---|
| W | — |
|---|
| Ni | — |
|---|
Physical properties
| Temperature | Elastic modulus (kN/mm²) | Thermal expansion coefficient (10⁻⁶ K⁻¹) | Thermal conductivity (W/(m·K)) |
|---|
| 20 °C | 210 | — | 24.4 |
|---|
| 400 °C | 183 | 11.8 | 27.1 |
|---|
| 600 °C | 168 | 12.4 | 28.5 |
|---|
Tensile strength (N/mm²)
| Hardened condition | 500 °C | 600 °C | 700 °C |
|---|
| 1960 | 2060 | 1620 | 980 |
|---|
Original data sheet (Turkish)
1.2344
Properties and applications
Used for light-alloy die-casting dies, aluminium profile, rod and tube extrusion tools, and hot-forging dies.
Chemical composition
| Element | Content (%) |
|---|
| C | 0.35–0.42 |
|---|
| Si | 0.80–1.20 |
|---|
| Mn | 0.25–0.50 |
|---|
| P | 0.025 |
|---|
| S | 0.005 |
|---|
| Cr | 4.80–5.50 |
|---|
| Mo | 1.20–1.50 |
|---|
| V | 0.85–1.15 |
|---|
| W | — |
|---|
| Ni | — |
|---|
Physical properties
| Temperature | Elastic modulus (kN/mm²) | Thermal expansion coefficient (10⁻⁶ K⁻¹) | Thermal conductivity (W/(m·K)) |
|---|
| 20 °C | 210 | — | 26.0 |
|---|
| 400 °C | 179 | 11.9 | 29.1 |
|---|
| 600 °C | 168 | 13.0 | 32.0 |
|---|
Tensile strength (N/mm²)
| Hardened condition | 500 °C | 600 °C | 700 °C |
|---|
| 2010 | 2060 | 1720 | 1130 |
|---|
Original data sheet (Turkish)
1.2365
Properties and applications
Combines thermal-shock resistance, retained toughness and high thermal conductivity. Used for heavy-metal die casting, hot-forging and forming tools, and aluminium, copper and brass extrusion.
Chemical composition
| Element | Content (%) |
|---|
| C | 0.28–0.35 |
|---|
| Si | 0.10–0.40 |
|---|
| Mn | 0.15–0.45 |
|---|
| P | 0.025 |
|---|
| S | 0.005 |
|---|
| Cr | 2.70–3.20 |
|---|
| Mo | 2.60–3.00 |
|---|
| V | 0.40–0.70 |
|---|
| W | — |
|---|
| Ni | — |
|---|
Physical properties
| Temperature | Elastic modulus (kN/mm²) | Thermal expansion coefficient (10⁻⁶ K⁻¹) | Thermal conductivity (W/(m·K)) |
|---|
| 20 °C | 210 | — | 28.0 |
|---|
| 400 °C | 174 | 12.2 | 32.4 |
|---|
| 600 °C | 168 | 13.2 | 34.2 |
|---|
Tensile strength (N/mm²)
| Hardened condition | 500 °C | 600 °C | 700 °C |
|---|
| 1720 | 1670 | 1570 | 1030 |
|---|
Original data sheet (Turkish)
1.2367
Properties and applications
Retains hardness at high temperatures and offers dimensional stability during heat treatment and good toughness. Used for forging-die inserts, die-casting dies and extrusion tools.
Chemical composition
| Element | Content (%) |
|---|
| C | 0.35–0.40 |
|---|
| Si | 0.30–0.50 |
|---|
| Mn | 0.30–0.50 |
|---|
| P | 0.025 |
|---|
| S | 0.005 |
|---|
| Cr | 4.80–5.20 |
|---|
| Mo | 2.70–3.20 |
|---|
| V | 0.40–0.60 |
|---|
| W | — |
|---|
| Ni | — |
|---|
Physical properties
| Temperature | Elastic modulus (kN/mm²) | Thermal expansion coefficient (10⁻⁶ K⁻¹) | Thermal conductivity (W/(m·K)) |
|---|
| 20 °C | 210 | — | 25.8 |
|---|
| 400 °C | 175 | 12.1 | 27.2 |
|---|
| 600 °C | 166 | 12.9 | 31.4 |
|---|
Tensile strength (N/mm²)
| Hardened condition | 500 °C | 600 °C | 700 °C |
|---|
| 1750 | 1680 | 1580 | 1050 |
|---|
Original data sheet (Turkish)
1.2714
Properties and applications
Offers impact resistance and toughness at elevated temperatures, with air or oil hardening and good depth of hardening. Used for hot-forging and forming dies, extrusion-press rams and ram heads, and hot-cutting blades.
Chemical composition
| Element | Content (%) |
|---|
| C | 0.50–0.60 |
|---|
| Si | 0.10–0.40 |
|---|
| Mn | 0.65–0.95 |
|---|
| P | 0.025 |
|---|
| S | 0.005 |
|---|
| Cr | 0.80–1.20 |
|---|
| Mo | 0.45–0.55 |
|---|
| V | 0.07–0.12 |
|---|
| W | — |
|---|
| Ni | 1.50–1.80 |
|---|
Physical properties
| Temperature | Elastic modulus (kN/mm²) | Thermal expansion coefficient (10⁻⁶ K⁻¹) | Thermal conductivity (W/(m·K)) |
|---|
| 20 °C | 210 | — | 25.5 |
|---|
| 400 °C | 198 | 13.3 | 25.0 |
|---|
| 600 °C | 178 | 14.2 | 24.6 |
|---|
Tensile strength (N/mm²)
| Hardened condition | 500 °C | 600 °C | 700 °C |
|---|
| 2060 | 1570 | 1320 | — |
|---|
Original data sheet (Turkish)
These values reproduce our technical archive. Confirm the exact grade, delivery condition and required properties against the material supplier’s certificate. A dash means that the source does not specify a value.
