10-350mm Mechanical Round Steel Bar GCr15 SAE52100 100Cr6 SUJ2 Bearing Steel 58-62 HRC
Price:
600-850 USD/Ton
MOQ:
1 Ton
Delivery Time:
5 - 12 days based on the quantity
Brand:
DELTA
Product Description
Product Overview
High-quality mechanical round steel bars available in diameters from 10-350mm, manufactured from premium bearing steel grades including 100Cr6, GCr15, SAE52100, and SUJ2. These carbon-chromium alloy steel bars deliver exceptional performance for demanding industrial applications.
Key Features & Benefits
• High carbon-chromium bearing steel with optimal alloy composition
• Excellent hardenability and comprehensive mechanical properties
• Superior machinability after spheroidizing annealing process
• High hardness (58-62 HRC after tempering) with uniform microstructure
• Outstanding wear resistance and contact fatigue performance
• Excellent hot working performance for various manufacturing processes
International Standards & Specifications
| Chinese (GB) | American (AISI) | German (DIN) | Japanese (JIS) |
|---|---|---|---|
| GCr15 | SAE52100 | 100Cr6/EN31 | SUJ2 |
Chemical Composition
| Grade | C | Si | Mn | P | S | Cr | Mo | Cu | Ni |
|---|---|---|---|---|---|---|---|---|---|
| GCr15/52100 | 0.95-1.05 | 0.15-0.35 | 0.2-0.4 | ≤0.027 | ≤0.02 | 1.3-1.65 | ≤0.1 | ≤0.25 | ≤0.3 |
| 100Cr6 | 0.95-1.05 | 0.15-0.35 | 0.25-0.45 | ≤0.025 | ≤0.025 | 1.4-1.65 | ≤0.08 | ≤0.25 | ≤0.3 |
Heat Treatment Specifications
| Quenching | Tempering | ||||
|---|---|---|---|---|---|
| Temperature (°C) | Cooling | Hardness (HRC) | Temperature (°C) | Cooling | Hardness (HRC) |
| 830-850 | Oil | 62-65 | 150-190 | Air | 58-62 |
Available Stock Sizes
Round Bar
Diameter: 10-350mm | Length: 4000-10000mm
Flat Steel
Thickness: 8-200mm | Length: 3000-4000mm
Primary Applications
• Bearing components: rings, rolling elements, steel balls, rollers, and ferrules
• Industrial machinery: internal combustion engines, electric motors, automotive systems, tractors
• Machine tools: lathes, milling machines, boring machines, rolling mills
• High-load and high-speed rotating mechanical transmission bearings
• Tooling applications: punching dies, measuring instruments, and precision tools
Quality Assurance & Service
Our materials are sourced exclusively from certified steel mills, ensuring consistent quality and performance. We maintain ISO 9001 certification with regular audits and continuous improvement processes.
Value-Added Services
• Metal cutting and sizing to your specifications
• Precision machining: blanking, milling, and grinding
• Professional heat treatment services
• Sawing services for both small and large quantities
• Fast shipping and timely delivery for orders of any size
Product Images
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Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.
Company
JIANGSU MITTEL STEEL INDUSTRIAL LIMITED
Location
No.283-1, Youyi Middle Road, Xishan District, Wuxi City, Jiangsu Province
Contact Person
Gao Ben