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Quick Details

  • Steel Grade: Tool steel
  • Standard: AISI, ASTM, BS, DIN, GB, JIS
  • Dimensions: 10-300mm
  • Place of Origin: Jiangsu, China (Mainland)
  • Brand Name: unite steel
  • Model Number: 1.2344/H13/X40CrMoV51/SKD61
  • Technique: Hot Rolled
  • Application: Tool Steel Bar
  • Alloy Or Not: Is Alloy
  • Special Use: Mold Steel
  • Type: Alloy Steel Bar
  • Delivery condition: Annealed
  • Shape: Round Section
  • Surface: Polished Hot Rolled Steel
  • Length: 1--12m
  • Certificate: ISO9001:2008
  • Test: The third parties inspection is acceptable

Packaging & Delivery

Packaging Details Seaworthy package
Delivery Time within 10-45 days after both confirmed

hot work tool steel price per kg 1.2344/H13/SKD61/x40CrMoV51



Suitable for high quality aluminum, magnesium and zinc alloy casting mould, polished plastic hard mould, as well as fiberglass type home electronics mould. 

Suitable for medium and large size aluminum and magnesium casting mould. Better integrated performance and toughness, more stable and reliable for the sophisticate cavity casting mould


Round Bar: Diameter 10-500mm
Flat Bar: Thickness: 20-300mm, width: 205-610mm, length: 2000-5000mm

Delivery Condition: 

Hot Rolled/Forged, Black surface/Milled, annealed ≤ 229HB, Electro Slag Remelting, 100% Ultrasonic test on steel.   


Comparable Standards:                                                                                                       





 Chemical Analysis (%):                                                                                                         



Heat treatment                                                                                                       

Isothermal annealing:

-   Heat to 880°C, hold at temperature for 1/2 h to 1 h;

-   Furnace cooling to 780°Cand hold at temperature for at least 5 hours;

-   Cool by 10°C/h to 750°C;

-   Cooling in air.

Maximum hardness: 230 HB

Stress relieving:

To be carried out after maching and before the final heat treatment.

-   Heat to 650÷700°C, hold for 4÷6 hours;

-   Furnace cooling to 300÷350°C;

-   Cooling in air.


-   Initial preheating to 350÷450°C;

-   Second preheating to 750÷850°C;

-   Heat to hardening temperature in the range 1000÷1050°Cand hold at temperature;

-   Cooling in air.

Quenched hardness: 52÷56 HRC


In the range 550÷630°Cfor at least 3 hours according to hardness requirements and conditions of use.

Tempering must be repeated a second time at a temperature to or 20°Clower than the previous.

Before tempering, preheat the parts to 200÷300°C.


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