1.6595/68CrNiMo

Chemical Composition

Carbon (C): 0.61% to 0.72%

Silicon(Si): 0.15% to 0.30%

Manganese (Mn): 0.30% to 0.50%

Chromium (Cr): 0.40% to 0.60%

Nickel (Ni): 0.40% to 0.70%

Molybdenum (Mo): 0.15% to 0.30%

Phosphorus (P): ≤ 0.020%

Sulfur (S): ≤ 0.014%

Physical Property

Low temperature resistance: Maintain toughness at -50 ℃ without brittle cracking, suitable for applications in low temperature environments.

Hardness: After heat treatment, it can reach about 68HRC (after quenching), with significant wear resistance.

Strength: High tensile strength and mechanical properties, far exceeding conventional materials such as 65MN.

Main Purpose

Tools and molds:

Used for manufacturing high-strength, wear-resistant cutting tools and cold work molds.

Spring steel:

Suitable for spring components that require high bending strength and fatigue resistance.

Special environmental components:

Mechanical structural components in cold regions, low-temperature operating equipment, etc.