SWDG High hardness and high wear resistance hot working die steel

Product Details

SWDG High Hardness Die Steel

SWDG High Hardness Die Steel is a Cr-Mo-V alloy hot work tool steel designed for demanding applications where high hardness, wear resistance, and thermal stability are critical. It is an improved version of the widely used H13 steel, offering enhanced performance in hot working conditions.


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Product Features

Cr-Mo-V alloy steel, air-cooled hardening hot working die steel, its advantages are as follows

  • Excellent heat shock resistance and thermal fatigue resistance;

  • Excellent toughness and ductility in all directions;

  • Excellent hardenability and good heat treatment dimensional stability.


Application Problems & Solutions

ApplicationCommon ProblemsSWDG Solution
Die Casting Dies (Al, Mg, Zn alloys)• Thermal cracking under high temperature & rapid cooling   • Fast surface wear, short die life   • Erosion from molten metal• Excellent thermal fatigue & shock resistance, reducing cracks   • High hardness & wear resistance, extending service life   • Stable heat treatment dimensional accuracy, ensuring precision
Extrusion Dies (Al, Cu alloys)• Softening or deformation at high temperature   • Die wear causing loss of product accuracy   • Cracking under high extrusion stress• Maintains hot strength, resists softening   • Superior wear resistance for long-term dimensional stability   • Good toughness reduces cracking risk
Hot Forging Dies• Cracking or chipping under high impact   • Thermal stress concentration leading to failure   • Frequent die replacement, downtime costs• Excellent impact toughness prevents cracking   • High hardness + heat resistance extend die life   • Longer service intervals improve productivity
Wear-Resistant Parts• Rapid wear in high-friction or high-temperature environments   • Short service life, high maintenance costs• High hardness & wear resistance significantly extend lifespan   • Stable mechanical properties ensure long-term reliability


Brand Comparison Table
SWDGUSA(AISI)Japan(JIS)Germany(W-Nr)
H13ModSKD611.2344
Chemical Composition
SWDGCSiMnCrVMo
0.481.000.505.101.001.40
Supply Specifications and Supply Hardness
Round Steel(mm)Modules(mm)Supply Hardness
φ90~φ650Thickness 100~450, Width 100~800Annealed state, hardness ≤229HBW