CPM REX 121

The American CPM Rex 121 is an extremely high-alloyed powder metallurgy carbon steel.

Properties

• Maximum wear resistance
• Extreme hardness
• Good toughness relative to hardness and wear resistance
• Uniform carbide distribution (powder metallurgy)

Recommended applications

• Hunting knives
• Outdoor, survival & bushcraft knives
• Folding knives

Chemical composition

• C: 3,4%
• Co: 9,0%
• Cr: 4,0%
• Mo: 5,0%
• V: 9,5%
• W: 10,0%

CPM Rex 121 hardening:

• Hardening temperature: 1070°C (air)
• Tempering: 2 x 2 hours at 550°C
• Hardness: ~70 HRC

Finish
Waterjet cut, rolled & annealed, ground