CNC machining in Tool steel D2 | Manufacturing Materials

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Tool steel D2

4.9 (9 Reviews) 37 orders

Material type: Metal, High hardness, High strength

Tool Steel D2 is a versatile high-carbon, high-chromium, air-hardening tool steel that is characterized by a relatively high attainable hardness and numerous, large, chromium-rich alloy carbides in the microstructure. These carbides provide good resistance to wear from sliding contact with other metals and abrasive materials. Although other steels with improved toughness or improved wear resistance are available, D2 provides an effective combination of wear resistance and toughness, tool performance, price, and a wide variety of product forms.

Process compatibility

CNC Milling CNC Turning

Material Color

Silver gray

Material advantages

D2 steel is perfectly suited for long lasting tools and die applications. It provides excellent abrasion resistance qualities, very high hardness and mild corrosion resistance in the hardened state and good machinability in the annealed state.

Material shortcomings

Poor weldability.

Recommended description

D2 provides an effective combination of wear resistance and toughness, tool performance, price, and a wide variety of product forms.

Properties

Name
Tensile strength	2500MPa
Yield strength	2290MPa
Density	7.695g/cc
Hardness	250HB
Elongation at Break	15.2%
Modulus of elasticity	215GPa
Maximum service temperature	195 - 245 °C
Thermal expansion coefficent	10.3 - 12 10^-6 ºC
Thermal conductivity	29.3 - 31.7 W/(m⋅°C)