GCr15SiMn bearing steel
Bearing steel, also known as rolling bearing steel, has high compressive strength and fatigue limit, high hardness, high wear resistance, and certain toughness. It has good hardenability and strict control over sulfur and phosphorus. It is a high-quality steel that can be used as cold work mold steel.
chemical composition
Carbon C: 0.95-1.05
Silicon Si: 0.40-0.65
Manganese Mn: 0.90-1.20
Sulfur S: ≤ 0.020
Phosphorus P: ≤ 0.027
Chromium Cr: 1.30-1.65
Nickel Ni: ≤ 0.30
Copper Cu: ≤ 0.25
mechanical property 
Tensile strength σ b (MPa): 1831
Impact energy Akv (J): 23
Hardness: 65HRC
Heat treatment specifications and metallographic structure
Heat treatment specifications: quenching at 830-840 ℃, oil cooling; Temper at 160 ℃ for 3 hours.
Metallographic structure: tempered martensite.
Corresponding brand
Chinese GB/YB standard grade GCr15SiMn, German DIN standard grade 100CrMn6, German DIN standard material number 1 3520, Russian gamma OCT standard grade III X15C gamma.
Typical application examples
1) Can be used as a forming roller.
2) It can also be used to make plastic molds with larger dimensions, more complex shapes, and higher precision.
1. The company has established long-term and stable cooperative relationships with multiple well-known steel mills at home and abroad, all of which provide original material certification
2. Wholesale and retail, with favorable prices, superior quality (large quantities are preferred), and timely and fast delivery
3. Wide channels, sufficient supply of goods, and business scope covering all parts of the country, can meet the needs of customers in various regions
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Welcome new and old customers to call for consultation and negotiation.