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Product Details:
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| Steel Grade: | 52100/ 1.3505 | 100Cr6 | SUJ2 | Technique: | Hot Rolled, Forged, EAF+LF+VD+Hot Rolled/Forged, Forged/Hot Rolled/Cold Drawn, Hot Rolled/forged/cold Draw |
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| Alloy Or Not: | ALLOY STEEL | Standard: | AISI, DIN, ASTM, GB, JIS |
| Application: | Structural Steel Bar, Die Steel Bar, Tool Steel Bar, Industry, Construction | Shape: | Round, Flat, Square, Carbon Rod, High-quality Round Bar |
| Quality Inspection: | Chemical Composition, UT, Physical Properties Etc., Microstructure, Chemical Test | ||
| High Light: | SUJ2 Steel Round Bar,Bearing Hot Rolled Steel Round Bar,SUJ2 Hot Rolled Steel Round Bar |
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SUJ2 Hot Rolled High Wear Resistance Bearing Steel Round Bar
52100 bearing steel is one kind of special steel with features of high wear resistance and rolling fatigue strength. High-carbon chromium bearing steel, engineering steel and some types of stainless steel and heat resistant steel are used as materials of bearings and for other purposes.
Advantages of Chrome Bearing Steel 52100:
1. Supply Range of ASTM 52100 Bearing Steel
AISI 52100 Steel Round Bar: diameter 8mm – 800mm
52100 Steel Plate: thickness 2mm –300mm x width 200mm – 800mm
Other sizes of 52100 steel as per customer’s requirements
Process: Cold drawn, hot rolled, forged etc.
Surface Finish: black, rough machined, turned, polished or as per given requirements.
2. Relevant Steel Specification of ASTM 52100 Bearing Steel
| Country | USA | German | Japan | British |
| Standard | ASTM A295 | DIN 17230 | JIS G4805 | BS 970 |
| Grades | 52100 | 100Cr6/1.3505 | SUJ2 | 535A99/EN31 |
3. Chemical Composition of 52100 Bearing Steel and Equivalents
| Standard | Grade | C | Mn | P | S | Si | Ni | Cr | Cu | Mo |
| ASTM A295 | 52100 | 0.93-1.05 | 0.25-0.45 | 0.025 | 0.015 | 0.15-0.35 | 0.25 | 1.35-1.60 | 0.30 | 0.10 |
| DIN 17230 | 100Cr6/1.3505 | 0.90-1.05 | 0.25-0.45 | 0.030 | 0.025 | 0.15-0.35 | 0.30 | 1.35-1.65 | 0.30 | – |
| JIS G4805 | SUJ2 | 0.95-1.10 | 0.50 | 0.025 | 0.025 | 0.15-0.35 | – | 1.30-1.60 | – | – |
| BS 970 | 535A99/EN31 | 0.95-1.10 | 0.40-0.70 | – | – | 0.10-0.35 | – | 1.20-1.60 | – | – |
4. Mechanical Properties of ASTM A295 52100 Bearing Steel
| Properties | Metric | Imperial |
| Bulk modulus (typical for steel) | 140 GPa | 20300 ksi |
| Shear modulus (typical for steel) | 80 GPa | 11600 ksi |
| Elastic modulus | 190-210 GPa | 27557-30458 ksi |
| Poisson’s ratio | 0.27-0.30 | 0.27-0.30 |
| Hardness, Brinell | – | – |
| Hardness, Knoop (converted from Rockwell C hardness) | 875 | 875 |
| Hardness, Rockwell C (quenched in oil from 150°C tempered) | 62 | 62 |
| Hardness, Rockwell C (quenched in water from 150°C tempered) | 64 | 64 |
| Hardness, Rockwell C (quenched in oil) | 64 | 64 |
| Hardness, Rockwell C (quenched in water) | 66 | 66 |
| Hardness, Vickers (converted from Rockwell C hardness) | 848 | 848 |
| Machinability (spheroidized annealed and cold drawn. Based on 100 machinability for AISI 1212 steel) | 40 | 40 |
| Properties | Metric | Imperial |
| Density | 7.81 g/cm3 | 0.282 lb/in³ |
| Melting point | 1424°C | 2595°F |
| Properties | Metric | Imperial |
| Thermal expansion co-efficient (@ 23-280°C/73.4- 36°F, annealed) | 11.9 µm/m°C | 6.61 µin/in°F |
| Thermal conductivity (typical steel) | 46.6 W/mK | 323 BTU in/hr.ft².°F |
5. Forging of A295 52100 Bearing Steel
AISI 52100 alloy steel is forged at 927 to 1205°C, and should not be forged below 925ºC. A post-forge equalization treatment is recommended at 745ºC for 4-6 hours followed by air cooling for SAE/AISI 52100 steel.
Contact Person: Mrs. Merain Pan
Tel: 008613537200896
Fax: 86-0769-89611567
