GCr15 Round Bar Bearing Steel Bar with Polished Surface High Hardenability and OD 6-630mm
Price:
US $730-1,350 / Ton
MOQ:
1 Ton
Delivery Time:
Negotiable
Product Description
GCr15 Round Bar - High Carbon Chromium Bearing Steel
GCr15/SAE52100/EN31 alloy steel round bar is a premium bearing steel with excellent mechanical properties and wear resistance for demanding industrial applications.
Product Overview
GCr15 is a high carbon chromium bearing steel with optimized alloy content. After quenching and low temperature tempering, it delivers high hardness, uniform microstructure, superior wear resistance, and exceptional contact fatigue performance.
Key Features
- Widely used high carbon chromium bearing steel with excellent performance and cost-effectiveness
- High hardenability and comprehensive mechanical properties
- Excellent machinability after spheroidizing annealing process
- High hardness, uniform structure, superior wear resistance, and high contact fatigue performance after heat treatment
- Superior hot working performance for manufacturing flexibility
International Standards Equivalents
| Chinese | American | German | Japanese |
|---|---|---|---|
| GB GCr15 | AISI SAE52100 | DIN 100Cr6/EN31 | JIS SUJ2 |
Chemical Composition (%)
| Grades | 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 | ||||
|---|---|---|---|---|---|
| Heating Temperature/ºC | Cooling | Hardness/HRC | Heating Temperature/ºC | Cooling | Hardness/HRC |
| 830-850 | Oil | 62-65 | 150-190 | Air | 58-62 |
Typical Applications
- Manufacturing bearing rings and rolling elements for internal combustion engines, electric motors, automotive systems, tractors, and industrial machinery
- Production of rolling mill bearings, boring machine components, mining equipment, and general machinery applications
- High load and high speed rotating mechanical transmission bearings
- Tool manufacturing including punching dies and precision measuring instruments
Available Stock Sizes
| Product Form | Dimension | Size Range |
|---|---|---|
| Round Bar | Diameter | 16-280mm |
| Length | 4000-10000mm | |
| Flat Steel | Thickness | 8-200mm |
| Length | 3000-4000mm |
Why Choose Our GCr15 Bearing Steel?
Quality Assurance from Government-Owned Steel Mills
We meticulously source materials exclusively from certified steel manufacturers to ensure consistent quality and reliability in every steel product we supply. Our two decades of industry experience demonstrate our commitment to delivering both superior quality and competitive pricing.
Speedy and Timely Delivery
We prioritize every business transaction and ensure prompt delivery of both raw materials and finished products with machining or heat treatment services. Your purchase orders are processed efficiently for the shortest possible lead times.
Quality Commitment
Our ISO 9001 certified quality management system undergoes continuous improvement and regular audits to maintain the highest standards. We are committed to delivering competitive products that meet our customers' demanding quality requirements.
Our Comprehensive Services
We provide quality specialty steel for all industrial sectors with flexible order quantities and fast shipping. Our unique inventory of specialty steels is complemented by value-added services including metal cutting, sizing, machining (blanking, milling, grinding), heat treatment, and precision sawing for both small and large quantities.
Contact Us for Latest Pricing and Technical Details NOW!
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Company
JIANGSU MITTEL STEEL INDUSTRIAL LIMITED
Location
No.283-1, Youyi Middle Road, Xishan District, Wuxi City, Jiangsu Province
Contact Person
Gao Ben