HOT WORK STEEL
Delivering trusted steel solutions with unmatched quality and service across India.
Hot Work Steel for demanding applications.
Hot work steel is a specialized category of tool steel engineered to maintain its strength, hardness, and structural integrity even when exposed to high temperatures. It is ideal for applications involving thermal cycling, high thermal conductivity, and resistance to deformation.
Whether shaping metal, molding plastics, or forging precision parts, Hot Work Steel delivers long-lasting performance and reliable results, reducing downtime and maximizing productivity.
Available Hot Work Steel Grades
Popular Grades
DIN
AISI
Built for high-temperature work.
Coefficient of Thermal Expansion
| Temperature Range (°C) | Coefficient (10⁻⁶ m/m·K) |
|---|---|
| 20 – 100 | 10.8 |
| 20 – 210 | 12.0 |
| 20 – 300 | 12.4 |
| 20 – 400 | 12.7 |
| 20 – 500 | 13.1 |
| 20 – 600 | 13.3 |
| 20 – 700 | 13.5 |
Thermal Conductivity
| Temperature (°C) | Annealed (W/m·K) | Quenched & Tempered (W/m·K) |
|---|---|---|
| 20 | 27.1 | 25.4 |
| 350 | 30.4 | 27.7 |
| 700 | 33.2 | 30.4 |
Performance that holds up under pressure.
Withstands intense heat and thermal shock
Maintains hardness and strength under pressure
Provides superior wear resistance for extended tool life
Designed for precision and consistency in every application
Material properties that matter.
Product Specifications of Hot Work tool Steel
| AISI/ASTM | EN | DIN | JIS | C | Si | Mn | P | S | Cr | W | Mo | V | Application |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| H10 | 32CrMoV12-28 | 1.2365 | 0.4 | 0.3 | 0.35 | 0.06 | 3.2 | 2.5 | 0.4 | Hot forming (forging) dies. For processing heavy metal. | |||
| H11 | X38CrMoV5-1 | 1.2343 | 0.38 | 1.1 | 0.4 | 0.03 | 0.01 | 5 | 1.25 | Dies for pressure casting of light alloys, dies for presses for hot forming steel, brass, aluminium and its alloys, hot work shear blades. | |||
| H13 | X40CrMoV5-1 | 1.2344 | SKD61 | 0.40 | 1.1 | 0.4 | 0.03 | 0.01 | 5.2 | 1.4 | 0.9 | Dies for pressure casting of light alloys, dies for aluminium extrusion, dies for hot forming of steels, extractors. | |
| H21 | X30WCrV9-3 | 1.2581 | 0.35 | 0.25 | 0.3 | 0.03 | 0.03 | 2.7 | 9 | 0.1 | Extrusion moulds and cast moulds for copper, aluminum and zinc alloys. | ||
| DB6 | 56NiCrMoV7 | 1.2714 | SKT4 | 0.55 | 0.25 | 0.8 | 0.03 | 1.02 | 1.2 | 0.4 | 0.2 | Blocks for dies, hammers and pile drivers, rams of power hammers, hot mill rolls, very hard, cold work dies and punches. |
Serving industries where performance matters.
Supplying Hot Work Steel across India.
Manjula Steel Industries is a trusted supplier of high-quality alloy and industrial metals, delivering excellence across India.