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SAE52100 GCr15 EN31 High Chromium Bearing Steel Hollow Bar for Axle

China SAE52100 GCr15 EN31 High Chromium Bearing Steel Hollow Bar for Axle, Find details about China SAE52100 GCr15 EN31 steel, SAE52100 GCr15 EN31bearing steel from SAE52100 GCr15 EN31 High Chromium Bearing Steel Hollow Bar for Axle

Model NO.
SAE52100/EN31/SUJ2/GCr15
Grade
EN31/SAE52100/GCr15/SUJ2
Processing surface
Peeled, Turned, Polished
Delivery Condition
Hot Rolled, forged
Test
SGS / Ut 100% / Element Testing
Production Process
Ef/Eaf+Lf+Vd/ESR
Certificate
ISO/Mill Certificate
MOQ
1MT
Payment
30% Deposit, balance by L/C at sight or T/T
Sample
Free
Surface
Black surface
Lead time
7-15 days
Stock
Available
Trademark
CF STEEL
Transport Package
Nude or as Customers′ Demand
Specification
DN6-290**4000-10000
Origin
Guangdong, China
HS Code
7306900090
Model NO.
SAE52100/EN31/SUJ2/GCr15
Grade
EN31/SAE52100/GCr15/SUJ2
Processing surface
Peeled, Turned, Polished
Delivery Condition
Hot Rolled, forged
Test
SGS / Ut 100% / Element Testing
Production Process
Ef/Eaf+Lf+Vd/ESR
Certificate
ISO/Mill Certificate
MOQ
1MT
Payment
30% Deposit, balance by L/C at sight or T/T
Sample
Free
Surface
Black surface
Lead time
7-15 days
Stock
Available
Trademark
CF STEEL
Transport Package
Nude or as Customers′ Demand
Specification
DN6-290**4000-10000
Origin
Guangdong, China
HS Code
7306900090
SAE52100 GCr15 EN31 High Chromium Bearing Steel Hollow Bar for Axle

EN31/SAE52100/GCr15/SUJ2 steel refers to a high carbon and chromium bearing steel with less alloy content. After quenching and low temperature tempering, it has high hardness, uniform structure, good wear resistance and high contact fatigue performance.

1. Equivalent Grade
ChineseAmericanGermanJapanese
GBAISIDINJIS
GCr15SAE52100EN31SUJ2
 
2. Chemical Composition (%)
GradesCSiMnPSCrMoCuNi
GCr15/
SAE52100		0.95-1.050.15-0.350.20-0.40≤0.027≤0.0201.3-1.65≤0.10≤0.25≤0.30
EN310.95-1.050.15-0.350.25-0.45≤0.025≤0.0251.4-1.65≤0.08≤0.25≤0.30

3. Surface Treatment
1) Round bar: Black /Grinding /Polished /Peeled /Turned
2) Steel plate: Black /Milling /Machined

4. SAE52100/GCr15/EN31/SUJ2 Ready Stock
Round Bar: diameter 4-290mm,length 3000-6000mm
Flat Bar: thickness 20-200mm, width 155-2200mm,length 2000-6000mm
All the dimensions can be customerized as fresh production with MOQ.

5. Characteristic
1) Good hot working performance.
2) Good machinability after spheroidizing annealing.
3) High hardenability and good comprehensive performance.
4) A kind of high carbon and chromium bearing steel which most widely used with a good permance and less alloy content.
5) High hardness, uniform organization, good wear resistance, high contact fatigue performance after quenching and tempering.  

6. Competitive Advantage
1) Good purity and homogeneity.
2) Good dimensional stability during heat treatment.
3) Good machinability (roughing, grinding and drilling).
4) Excellent preparation for nitriding, both ionic and gaseous, induction hardening to increase the mechanical properties.

7. SAE52100/GCr15/EN31/SUJ2 Heat Treatment
QuenchingTempering
Heating temperature/ºCCooling wayHardness 
(HRC)		Tempering temperature/ºCCooling wayHardness
(HRC)
830-850Oil Cooling 62-65150-190Air Cooling58-62

8. SAE52100/GCr15/EN31/SUJ2 Mechanical Properties
Tensile strengthYield strengthElongationHardeness
σb (MPa):861.3σs (MPa):518.42δ5 (%):27.9525.8HRC


SAE52100 GCr15 EN31 High Chromium Bearing Steel Hollow Bar for AxleSAE52100 GCr15 EN31 High Chromium Bearing Steel Hollow Bar for Axle


 

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