H13 Tool Steel is a versatile chromium-molybdenum hot work steel that is widely used in hot work and cold work tooling applications. And the hot hardness (hot strength) of H13 resists thermal fatigue cracking which occurs as a result of cyclic heating and cooling cycles in hot work tooling applications.
Because of its excellent combination of high toughness and resistance to thermal fatigue cracking (also known as heat checking) H13 is used for more hot work tooling applications than any other tool steel.
Because of its high toughness and very good stability in heat treatment, and H13 is also used in a variety of cold work tooling applications. In these applications, H13 provides better hardenability (through hardening in large section thicknesses) and better wear resistance than common alloy steels such as 4140.
Also available as Electro-Slag-Remelted (ESR) and Vacuum-Arc-Remelted (VAR) products as well. And the remelting processes provide improved chemical homogeneity, refinement of carbide size, and the associated improvements in mechanical properties and fatigue properties.
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APPLICATIONS: Inserts, cores, and cavities for die casting dies, die casting shot sleeves, hot forging dies, extrusion dies, and plastic mold cavities and components that require high toughness and excellent polishability.
Chemical composition of H13 Tool Steel | 1.2344 |4Cr5MoSiv1 | SKD61 Hot Work Steel |X40CrMoV5-1 steel
| Grade | C | Si | Mn | P | S | Cr | Mo | V |
| H13 | 0.32~0.45 | 0.80~1.20 | 0.20~0.50 | 0.030Max | 0.030Max | 4.75~5.50 | 1.10~1.75 | 0.80~1.20 |
| SKD61 | 0.35~0.42 | 0.80~1.20 | 0.25~0.50 | 0.030Max | 0.020Max | 4.80~5.50 | 1.00~1.50 | 0.80~1.15 |
| 4Cr5MoSiV1 | 0.32~0.42 | 0.80~1.20 | 0.20~0.50 | 0.030Max | 0.030Max | 4.75~5.50 | 1.10~1.75 | 0.80~1.20 |
| STD61 | 0.32~0.42 | 0.80~1.20 | ≤0.50 | 0.030Max | 0.030Max | 4.50~5.50 | 1.00~1.50 | 0.80~1.20 |
| X40CrMoV5-1 | 0.36~0.44 | 0.80~1.20 | 0.20~0.50 | 0.030Max | 0.030Max | 4.80~5.50 | 1.20~1.50 | 0.85~1.15 |
Supply of H13 Tool Steel | 1.2344 |4Cr5MoSiv1 | SKD61 Hot Work Steel | X40CrMoV5-1 steel material
OTAI SPECIAL Steel are main chinese stockist and suppliers for H13 steel. And we supply the H13 | 1.2344 | STD61 tool steel round bar and flat sections which can be sawn cut to your required sizes.
Moreover, ground steel bar can be supplied, providing a high quality tool steel precision ground tool steel bar to your required tolerances. What’s more, H13 Tool Steel | 1.2344 |4Cr5MoSiv1 | SKD61 Hot Work Steel | X40CrMoV5-1 tool steel is also available produced as Ground Flat Stock / Gauge Plate, in standard and non standard sizes.
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- Round
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- Plate
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- Square
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- sheet
Forging of H13 Tool Steel | 1.2344 |4Cr5MoSiv1 | SKD61 Hot Work Steel | X40CrMoV5-1 steel material
At first, Preheat the tool steel parts slowly to 750°C then increase the temperature more rapidly to 1050-1100 °C. Do not forge below 850°C. And it is essential to cool the H13 | 1.2344 | SKD61 slowly after forging, either in a furnace or in vermiculite.
Nitriding of H13 Tool Steel | 1.2344 |4Cr5MoSiv1 | SKD61 Hot Work Steel | X40CrMoV5-1 steel material
H13 tool steel can be nitrided to give a hard surface case. Moreover, the steel is then very resistant to wear and erosion. And Nitriding also increases resistance to corrosion. Nitriding in ammoniac gas at a temperature of 525°C will give a surface hardness approximately 1000 to 1250HV.
Before nitriding the tool should be hardened and tempered at approximately 50°C above the nitriding temperature. More important is to note that with increase in penetration of the nitriding, there is a reduction in resistance to thermal shock and an increase in embrittlement.
| Temperature | Time | Approx. Depth of Case |
| 525°C | 10 hours | 0.125mm |
| 525°C | 20 hours | 0.180mm |
| 525°C | 40 hours | 0.250mm |
| 525°C | 60 hours | 0.300mm |
Processing of H13 Tool Steel | 1.2344 |4Cr5MoSiv1 | SKD61 Hot Work Steel | X40CrMoV5-1 steel material
Steel round bar and flat sections can be cut to your required sizes. And steel ground bar can also be supplied, providing a high quality tool steel precision ground tool steel bar to your required tolerances.Tool Steel is also available as Ground Flat Stock / Gauge Plate, in standard and nonstandard sizes.
Contact our experienced sales team who will assist you with your tool steel enquiry by email or Telphone. The H13 tool steel questions and enquiry will be reply in 24 hours.[/vc_column_text][/vc_column][/vc_row]
Email: Jack@otaisteel.com
Tel: +86-769- 33232622
Fax: +86-769-88705839
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