GCr15 EN31 SAE52100 Alloy Mould steel rod for bearing axle

• Type: Alloy Steel Bar
• Standard: AISI, ASTM, DIN, JIS, GB, BS
• Composition: Ferrous Steel Scrap
• Technique: Hot Rolled
• Shape: Bar
• Surface Treatment: Color Coated
• Model NO.: EN31/SAE52100
• Special Use: High-strength Steel Plate, Wear Resistant Steel, Cold Heading Steel, Free Cutting Steel, Mold Steel
• Application: Structural Steel Bar
• Service: 23hours/7days on-line and prompt respons
• Stock: avalible
• Sample: free
• Payment: T/T L/C at sight
• Test: SGS/100% UT/ Element testing
• Transport Package: Standard Seaworthy Package
• Specification: Dia*L/ T*W*L
• Trademark: CF STEEL
• Origin: China
• HS Code: 7228309900
• Production Capacity: 500t/Month

Product Description

GCr15 EN31 SAE52100 Alloy Mould steel rod for bearing axle

1. Equivalent Grade

Chinese	American	German	Japanese
GB	AISI	DIN	JIS
GCr15	SAE52100	EN31	SUJ2

 
2. Chemical Composition (%)

Grades	C	Si	Mn	P	S	Cr	Mo	Cu	Ni
GCr15/ SAE52100	0.95-1.05	0.15-0.35	0.20-0.40	≤0.027	≤0.020	1.3-1.65	≤0.10	≤0.25	≤0.30
EN31	0.95-1.05	0.15-0.35	0.25-0.45	≤0.025	≤0.025	1.4-1.65	≤0.08	≤0.25	≤0.30

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. SAE52100/GCr15/EN31/SUJ2 Heat Treatment

Quenching			Tempering
Heating temperature/ºC	Cooling way	Hardness  (HRC)	Tempering temperature/ºC	Cooling way	Hardness (HRC)
830-850	Oil Cooling	62-65	150-190	Air Cooling	58-62

8. SAE52100/GCr15/EN31/SUJ2 Mechanical Properties

Tensile strength	Yield strength	Elongation	Hardeness
σb (MPa):861.3	σs (MPa):518.42	δ5 (%):27.95	25.8HRC

9. Delivery
1) For abundant stock, 7-15 days.
2) For customized products, 15-30 days.