100Cr6
1.3505High-carbon chromium bearing steel. The most widely used bearing steel worldwide. Extremely high hardness and wear resistance after heat treatment. Standard for ball and roller bearings, precision shafts, and measuring instruments.
International equivalents
| Flag | Standard | Country | Grade | Number | Match |
|---|---|---|---|---|---|
| 🇺🇸 | AISI | USA | AISI 52100 | G52986 | REF |
| 🇪🇺 | EN | Europe | 100Cr6 | 1.3505 | 100% |
| 🇯🇵 | JIS | Japan | SUJ2 | — | 97% |
| 🇨🇳 | GB | China | GCr15 | — | 95% |
| 🇷🇺 | GOST | Russia | ShKh15 | — | 93% |
Sources: ASTM A295, EN ISO 683-17, JIS G4805, GB/T 18254, GOST 801
Mechanical properties
Compatibility verdict
100Cr6 and SUJ2: 97% composition match
Related materials
42CrMo4
1.7225High-strength quenched and tempered chromium-molybdenum steel. Widely used for shafts, gears, crankshafts, connecting rods, and high-strength bolts. Excellent hardenability and good fatigue resistance.
34CrNiMo6
1.6582High-strength quenched and tempered Cr-Ni-Mo steel. Excellent hardenability and toughness, suitable for large cross-sections. Used for heavy-duty shafts, gears, turbine parts, and aerospace components.
16MnCr5
1.7131Low-carbon case-hardening steel with manganese and chromium. Excellent for carburizing to produce a hard, wear-resistant surface with a tough core. Standard choice for gears, camshafts, piston pins, and transmission components.
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