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SUJ2 Hot Rolled Steel Round Bar

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SUJ2 Hot Rolled Steel Round Bar

SUJ2 Hot Rolled Steel Round Bar
SUJ2 Hot Rolled Steel Round Bar SUJ2 Hot Rolled Steel Round Bar SUJ2 Hot Rolled Steel Round Bar

Large Image :  SUJ2 Hot Rolled Steel Round Bar

Product Details:
Place of Origin: CHINA
Brand Name: takford
Model Number: 52100/ 1.3505 | 100Cr6 | SUJ2
Payment & Shipping Terms:
Minimum Order Quantity: 1 pc
Price: USD 0.8-1.5/KG
Packaging Details: SEA SAFETY PACKAGE
Delivery Time: 10-20 DAYS
Payment Terms: L/C, D/P, T/T
Supply Ability: 1000 TONS PER MONTH

SUJ2 Hot Rolled Steel Round Bar

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
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
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SUJ2 Steel Round Bar


Bearing Hot Rolled Steel Round Bar


SUJ2 Hot Rolled Steel Round Bar

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:

  • Superior hardness, 60-67 on Rockwell hardness scale (Rc) at room temperature
  • High carbon chrome alloy steel
  • Operates continually at temperatures up to 120°C
  • Used to produce precision ball bearings and roller bearings
  • Cost-effective
  • Long working life

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
  • 52100 Steel Physical Properties
Properties Metric Imperial
Density 7.81 g/cm3 0.282 lb/in³
Melting point 1424°C 2595°F
  • 52100 Alloy Steel Thermal Properties
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.

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