1. Key Properties:
High Carbon and Chromium Content: 100CrMo7 (1.3537) is a high-carbon, chromium-alloyed steel, offering a combination of high wear resistance, high hardness, and excellent toughness.
Excellent Hardening Properties: This steel can be hardened to very high hardness levels through heat treatment, making it ideal for wear-resistant components.
Good Toughness: While it can achieve high hardness, 100CrMo7 also retains good toughness, which is essential for applications that require both hardness and strength without brittleness.
Wear Resistance: The combination of carbon and chromium provides superior resistance to wear and abrasion, making it suitable for parts that undergo high friction.
Weldability: 100CrMo7 has poor weldability, so welding is typically avoided or requires careful preheating and post-weld heat treatment.
Machinability: It has good machinability when in the annealed state but requires special tooling and techniques when in the hardened state.
2. Applications/Industries:
Tool Manufacturing: 100CrMo7 is commonly used for manufacturing tools, such as punches, dies, and cutting tools, that require high wear resistance and hardness.
Automotive: Due to its hardness and wear resistance, this steel is used in automotive components such as gears, cams, and shafts that experience high stress and wear.
Heavy Machinery: It is used in heavy machinery components where resistance to abrasion and high mechanical stress is necessary.
Manufacturing: Applied in industrial applications for parts like valve components, rollers, and bearings, where high hardness and wear resistance are critical.
Cutting and Forming Tools: Often used in the production of cutting tools, including industrial blades and drill bits, due to its high hardness and resistance to wear.
3. Certifications/Standards:
DIN 17210: 100CrMo7 (1.3537) steel is often produced in compliance with the DIN 17210 standard for tool steels.
ISO 9001: Quality management system certification, ensuring the product meets high standards for industrial applications.
4. Chemical Composition:
Carbon (C): 0.95% – 1.05%
Chromium (Cr): 1.50% – 2.00%
Manganese (Mn): 0.40% – 0.60%
Silicon (Si): 0.20% – 0.40%
Phosphorus (P): 0.030% max
Sulfur (S): 0.030% max
Iron (Fe): Balance
5. Technical Specifications:
Yield Strength:
100CrMo7 (1.3537): 600–800 MPa (depending on heat treatment)
Tensile Strength:
100CrMo7 (1.3537): 1000–1200 MPa (depending on hardness and heat treatment)
Hardness:
100CrMo7 (1.3537): After heat treatment, it can reach 55–60 HRC (Rockwell hardness), making it suitable for high-wear applications.