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Hot Work Tool Steel

Leading Stockiest and Dealer of Hot Work Tool Steel such as Hot Work Tool Steel H13 , Hot Work Tool Steel H11, Hot Work Tool Steel Grade H21, Hot Work Tool Steel Grade DIN 1.2344, Hot Work Tool Steel DIN 1.2343 and many more items from Mumbai.

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Product Details:
ApplicationAutomobile Industry, Construction
MaterialAlloy Steel

 We are a trustworthy organization in offering a wide gamut of Hot Work Tool Steel Grade H13.

Chemical Composition:


0.32 - 0.45


4.75 - 5.5


0.2 - 0.5


1.1 - 1.75


0.03 max


0.8 - 1.2


0.03 max


0.8 - 1.2

Principal Design FeaturesThis alloy is one of the Hot Work, Chromium type tool steels. It also contains molybdenum and vanadium as strengthening agents. The chromium content assists this alloy to resist softening if used at higher temperatures.
ApplicationsH13 finds applications for hot die work, die casting and extrusion dies.
MachinabilityMachinability of H13 is medium to good. It rates as 75% that of the W group water hardening tool steels which are low alloy and of generally good machinability.
FormingH13 has good ductility and may be formed by conventional means.

WeldingThis alloy is weldable. Contact the alloy supplier for information on welding procedures.
Heat TreatmentPreheat to 1500 f and then heat to 1850 F. Hold at 1850 f for 15 to 40 minutes and then air cool (air quench).
ForgingForge at 1975 F down to 1700 F. Do not forge below 1650 F.
AnnealingAnneal at 1600 F followed by slow furnace cooling at a maximum of 40 F per hour.

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Product Details:
ApplicationAutomobile Industry, Construction
Thickness150 mm
TechniqueHot Worked

Chromium hot-work tool steels are designated as group H steels according to the AISI classification system. This series of steels start from H1 to H19. The most commonly used chromium Hot Work Tool Steel Grade H11 which can be air hardened in 150 mm thick sections. The steels are subjected to minimal distortion during hardening due to their balanced alloy content. The tools produced from chromium hot-work steels can be cooled using water without damage as these steels have low carbon and alloy contents. This article will give an overview of H11 chromium hot-work steels, which have low carbon content and good toughness. These steels can be deep hardened by heat treatment and air-quenching.

Chemical Composition:
Carbon, C0.320.42
Manganese, Mn-.--0.50
Silicon, Si0.801.20
Molybdenum, Mo1.001.50

Physical Properties:

The physical properties of H11 tool steels are given in the following table:

Density7.81 g/cm 30.282 lb/in 3
Melting point1427°C2600°F

Mechanical Properties:

The mechanical properties of H11 tool steels are tabulated below:

Hardness, Rockwell C (air cooled from 982°C, 45 mins)52.552.5
Hardness, Rockwell C (air cooled from 1010°C, 45 mins)5656
Hardness, Rockwell C (air cooled from 1038°C, 45 mins)5757
Modulus of elasticity207 GPa30000 ksi
Modulus of elasticity (@538°C/1000°F)159 GPa23000 ksi
Modulus of elasticity (@204°C/400°F)190 GPa27500 ksi
Charpy impact (V-notch; air cooled from 1010°C;535°C temper temperature)13.6 J10.0 ft-lb
Charpy impact (V-notch; air cooled from 1010°C;650°C temper temperature)27.1 J20.0 ft-lb
Charpy impact (V-notch; air cooled from 1010°C;370°C temper temperature)33.9 J25.0 ft-lb
Machinability (1% carbon steel)75.0 - 80.0%75.0 - 80.0%
Poisson's ratio0.27-0.300.27-0.30

Thermal Properties:

The following table shows the thermal properties of H11 tool steels:

Thermal expansion (@20-100ºC/68-212ºF)11.9 x 10 -6 /ºC6.63 µin/in°F
Thermal conductivity (@100ºC/212ºF)42.2 W/mK292.9 in/hr.ft².°F
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Maharashtra, India
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