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Hot Work Tool Steel

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FCS Hot Work Tool Steel OEM Factory

Hot Work Tool Steel

Our Hot Work Tool Steel Products Include:

H13 / SKD61 / 1.2344 / 4Cr5MoSiV1 / 8407 / W302 / 4X5MΦ1C / X40CrMoV5-1

Ideal for die forging and hammer forging dies, our H13 steel ensures superior performance in high-temperature environments. It is perfect for aluminum alloy die casting, hot extrusion dies, and high-speed precision forging applications.

H11 / 1.2343 / 4Cr5MoSiV / 4X5MΦC / W300 / SKD6 / X38CrMoV5-1

This steel grade is engineered for high-speed hammer forging dies and excels in working with aluminum and magnesium alloy hot forging, providing exceptional durability and resistance to thermal fatigue.

1.2581 / H21 / 3Cr2W8V / SKD5 / X30WCrV9-3 / 2730 / 3X2B8Φ

Known for its high hardness and thermal stability, this steel boasts remarkable wear resistance and hardenability. It is highly durable and machinable, making it a reliable choice for various hot work applications.

1.2713 / 5CrNiMo / L6 / 55NiCrMoV6 / SKT4 / 5XHM

This adaptable steel is perfect for large and medium-sized hammer forging dies and trimming dies. It excels in handling complex shapes and can withstand significant impact loads at lower working temperatures.

1.2714 / 5CrNiMoV / 56NiCrMoV7 / 6F3

Suitable for manufacturing a variety of large and medium-sized pressing molds and extrusion tools, this steel meets the high demands of thermoplastic plastic treatment and supports efficient mold base production.

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Excellent properties of hot working tool steel

Superior High Temperature Strength

The use of advanced alloy formulations and heat treatment processes ensures that the steel maintains its high strength at high temperatures, effectively resisting deformation and cracking.

Outstanding wear resistance

Selection of high-quality raw materials, together with unique heat treatment technology, gives the steel excellent wear resistance, extends the service life of molds and reduces production costs.

Excellent thermal fatigue resistance

After special treatment, the steel has good thermal fatigue resistance and can withstand repeated heating and cooling to avoid premature mold failure.

A wide range of applications

It is widely used in die casting molds, hot forging molds, extrusion molds and other fields, and is an indispensable key material for manufacturing auto parts, aerospace parts, electronic and electrical components.

Hot working tool steel in line with multinational standards：

Germany(W-Nr/DIN)；Japen(JIS) ;U.S.A.(ATSM) ;Russia(ГOCT);Austria(BOHLE); China(GB)；Sweden(ASSAB)  and etc.

High packaging safety:

All the packaging of hot work tool steel is firmly bound, and the packaging materials are made of professional tool steel binding materials, which can withstand strict transportation and handling.

On time delivery:

On-time delivery: hot work tool steel spot, fast production speed, large output, monthly output of 2000 tons, annual output of 25,000 tons, delivery is guaranteed.

Various Surface Options Available:

Choose from a range of surface states for our plastic tool steel, including Black, Peeled/Grinded, Turned/Machined, and Milled finishes. Flexible solutions to meet all your project requirements.

SIZE RANGE 

  • Round Bar:
Diameter:16-400mm;Length:3000-5800mm.
  • Flat bar:
Thickness:16-300mm;Width:200-800mm;Length:3000-5800mm
cold work tool steel; hot work tool steel ;plastic tool steel;high-speed tool steel;stainless steel;size range
cold work tool steel ; hot work tool steel Flat bar ;size range;stainless steel ;manufacturer;plastic tool steel;high-speed tool steel

SURFACE CONDITION

  • Black；
  • Peeled/Grinded；
  • Turned/Machined/Bright/Milled
  • Customized services available upon request
tool steel;cold work tool steel;hot work tool steel;plastic tool steel;high-speed tool steel;stainless steel
tool steel;cold work tool steel;hot work tool steel;plastic tool steel;high-speed tool steel;stainless steel

turned or peeled

1.2344

TOOL STEEL GRADES
German(DIN/W-Nr):1.2344 / X40CrMoV5-14
Japen(JIS):SKD61
U.S.A(ASTM):H13
Russia(ГOСТ): 4X5MΦ1C
Sweden(ASSAB):8407
Austria(BOHLER):W302
China(GB):Cr5MoSiV1

APPLICATION

Forging Dies:Die forging, hammer forging, high-speed precision forging, and forging press dies.
Leverages high-temperature strength and resistance to thermal fatigue under extreme heat cycles.
Die Casting Molds:Aluminum, magnesium, and zinc alloy die casting tools.
Relies on excellent thermal conductivity to dissipate heat efficiently and dimensional stability to maintain mold precision.
Hot Extrusion Dies:Aluminum and other metal extrusion dies/containers.Combines wear resistance at elevated temperatures with toughness to withstand pressure and friction.
Plastic/Glass Molds:High-temperature plastic injection molds and glass shaping tools.Uses corrosion resistance and surface finish retention for prolonged service life in corrosive or abrasive environments.

H11

TOOL STEEL GRADES
German(DIN/W-Nr):1.2343/ X38CrMoV5-1
Japen(JIS):SKD6
U.S.A(ASTM):H11
Russia(ГOСТ): 4X5MΦC
Austria(BOHLER):W300
China(GB):4Cr5MoSiV

APPLICATION

High-Speed Hammer Forging Dies: Withstands extreme impact and cyclic thermal stress (up to 600°C).Automotive crankshafts, aerospace turbine components.Maintains hardness (42-50 HRC) under rapid heating/cooling cycles.

Aluminum & Magnesium Alloy Hot Forging Dies: Superior thermal fatigue resistance for lightweight alloy shaping.Die-casting molds for EV battery housings and aircraft structural parts.

Extrusion Tools for Non-Ferrous Metals:Copper and titanium extrusion dies requiring prolonged heat exposure.

    1.2581

    TOOL STEEL GRADES

    German(DIN/W-Nr):1.2581/ X30WCrV9-3
    Japen(JIS):SKD5
    U.S.A(ASTM):H21
    Russia(ГOСТ): 3X2B8Φ
    Sweden((ASSAB):2730
    China(GB):4Cr5MoSiV

    APPLICATION

    1.2581 steel is suitable for making punch and die without impact load under high temperature and high stress, such as die casting die, hot extrusion die, precision forging die and non-ferrous metal forming die.
    3Cr2W8V steel is widely used in press forging die, hot extrusion die, upsetting die, shear knife, die casting die, precision forging die and non-ferrous metal forming die.

    1.2713

     

    TOOL STEEL GRADES

    German(DIN/W-Nr):1.2713/ 55NiCrMoV6
    Japen(JIS):SKT4
    U.S.A(ASTM): L6
    Russia(ГOСТ): 5XHM
    China(GB):5CrNiMo

    APPLICATION

    Heavy-Duty Hammer Forging Dies:Designed for large/medium-sized dies (e.g., automotive crankshafts, railway couplers) with complex geometries.Withstands extreme impact loads (≥1500 MPa) at low working temperatures (200–400°C).Maintains hardness 38-42 HRC under cyclic stress.

    Low-Temperature Trimming Dies:Superior toughness (≥40 J/cm² Charpy impact) for high-precision trimming of thick steel plates. Shipbuilding, construction machinery (e.g., excavator bucket cutting edges).

    Large Casting Molds for Heavy Machinery: Mining equipment molds (e.g., crusher jaws) requiring dimensional stability in sub-300°C environments.

    1.2714

    TOOL STEEL GRADES

    German(DIN/W-Nr):1.2714/ 56NiCrMoV7
    Japen(JIS):SKT4
    U.S.A(ASTM): 6F3
    China(GB):5CrNiMoV

    APPLICATION

    Large/Medium-Sized Forging & Pressing Molds:Ideal for heavy-duty forging dies, stamping tools, and structural pressing molds.
    Combines excellent impact resistance with high-temperature strength to withstand cyclic loading in automotive, aerospace, and heavy machinery sectors.
    Extrusion Tools:Used in aluminum/copper extrusion dies, mandrels, and containers.
    Good thermal conductivity and resistance to thermal fatigue prevent cracking during high-pressure, high-temperature extrusion processes.
    Mold Bases & Support Structures:Supports for large dies, clamping plates, and auxiliary tooling components.
    High dimensional stability and durability ensure consistent alignment and reduced downtime in complex tooling systems.
    Thermoplastic Processing Molds:Large-scale molds for injection molding of engineering plastics (e.g., PEEK, PEI).Surface hardness retention and corrosion resistance maintain mold precision and finish in chemically aggressive polymer environments.

    H10

    TOOL STEEL GRADES

    German(DIN/W-Nr):1.2365/ X32CrMoV3-3
    U.S.A(ASTM): H10
    Russia(ГOСТ):3X3M3Φ
    China(GB):4Cr3Mo3CrV

    APPLICATION

    1.2365 tool steel is suitable for high-pressure working tools, hot die forging press steel, copper, non ferrous metals and pressure casting molds.

    H10 tool steel can be used to make male and female dies with high stress under high temperature but not subject to impact load, such as concave and convex dies, inserts, copper alloy extrusion dies, die-casting dies, such as reverse extrusion dies, and hot metal cutters under high temperature.

    Why Choos FCS Hot WOrk Tool Steel

    Customized service and fast response
    From material selection and heat treatment optimization to surface treatment (e.g. nitriding, coating), we provide one-stop solutions to support non-standard sizes and special performance requirements. Long-term online response, support small purchases, reduce customer inventory pressure.
    Excellent cost performance

    We have our own tool steel manufacturing factory, with a full set of high specification production equipment. Large-scale production reduces costs, the price is 15%-20% lower than that of similar Japanese products (such as SLD/SKD11), and the quality is benchmarked to international first-line brands.

     

    Wide range of products

    We have 110+ product categories in our daily production, and we can also provide product customization service. If you are interested in customized products, please contact us.

     

    Free Technical Support 
    The all-day online technical team can provide you with value-added services such as failure analysis and process optimization to ensure the maximum production efficiency of customers.
    Multinational standard hot work tool steels

    We can provide hot work tool steels of different national standards，such as U.S.A:ATSM/AISI，Russia:ГОСТ，Japen:JIS，German:DIN/W-Nr，Sweden:ASSAB，Austria:BOHLER，China:GB，EN,ISO ,etc.We can meet the needs of different customers, to provide you with one-stop procurement services.

    Technology leadership
    FCS tool steel has advanced production equipment and experienced technical team, continuous research and innovation, to provide customers with high performance hot work tool steel products.