D2 Tool Steel Bar is an air-hardening tool steel bar that contains high carbon and chromium content. It has excellent hardness, toughness, resistance to abrasion, and wear-resistant properties. It is ground to a tighter tolerance. It is deep hardening steel having mild corrosion-resistant and medium decarburization resistant properties. It is considered suitable for applications where the main concern is wear-resistance including
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Specifications:
D2 Tool Steel Bar, ASTM A681, QQ-T-570, AISI D2
Chemical Composition
Element | Percentage |
Carbon, C | 1.40-1.60% |
Manganese, Mn | 0.60% |
Cobalt, Co | 1.00% |
Silicon, Si | 0.60% |
Chromium, Cr | 11-13% |
Molybdenum, Mo | 0.70-1.20% |
Vanadium, V | 1.10% |
Nickel, Ni | 0.30% |
Copper, Cu | 0.25% |
Mechanical Properties
Hardness (Rockwell) | 62 |
Melting Point | 2590?F |
Density | 7.7 g/cm? |
Physical Characteristics
Machinability | Fair |
Weldability | Poor |
Strength | Good |
Corrosion Resistance | Good |
Wear Resistance | Excellent |
*Data provided for the purpose of reference only.