Sintering steel-bonded carbide hard alloy

A sintered steel-bonded carbide hard alloy, comprising from 32% to 35% by weight of titanium carbide and from 65% to 68% by weight of a steel matrix consisting essentially of

• 0.4 to 0.6 % carbon,
• 8.0 to 12.0 % chromium,
• 2.5 to 4.0 % molybdenum,
• 0.3 to 0.8 % copper,
• 0. 001 to 0.01 % boron,
• 0.1 to 0.3 % vanadium,
• 0.1 to 0.3 % niobium,
• balance iron.

A sintered steel-bonded carbide hard alloy comprising about 33% by weight of titanium carbide and about 67% by weight of a steel matrix consisting essentially of

• 0.6 % carbon,
• 0.5 % copper,
• 16.5 % chromium,
• 1.2 % molybdenum,
• 0.5 % nickel,
• 0.01 % boron,
• balance iron.

A sintered steel-bonded carbide hard alloy comprising 32% to 35% by weight of titanium carbide and 65% to 68% of a steel matrix consisting essentially of

• 0.4 to 0.6 % carbon,
• 0.9 to 1.2 % manganese,
• 0.9 to 1.2 % copper,
• 0.1 to 0.5 vanadium,
• 8.0 to 12.0 % chromium,
• 2.5 to 4.0 % molybdenum,
• 0.1 to 0.25 % niobium,
• 0.008 to 0.01 % boron,
• balance iron.

A sintered steel-bonded carbide hard alloy comprising 50% to 80% by weight of titanium carbide and 20% to 50% by weight of a steel matrix consisting essentially of

• 0.4 to 0.8 % carbon,
• 8.0 to 15.0 % chromium,
• 2.0 to 3.5 % molybdenum,
• 0.6 to 1.6 % copper,
• 0.3 to 1.0 % vanadium and/or
• 0.05 to 0.2 % niobium,
• 0.001 to 0.01 % boron,
• balance iron.

a sintered steel-bonded carbide hard alloy comprising about 70% by weight of titanium carbide and about 30% by weight of a steel alloy consisting essentially of

• 0.55 % carbon,
• 0.80 % copper,
• 10.0 % chromium,
• 3.0 % molybdenum,
• 1.0 % manganese,
• 0.5 % vanadium,
• 0.01 % boron,
• balance iron.