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AISI 4135 Steel Forged Steel 

Place of Origin: Zhejiang, China (Mainland) 
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Product Detail

Model No.: DIN1.7225/SAE4140/GB42CrMo,...


 
DIN1.7225 / SAE4140 / GB42CrMo,

 

DIN1.7225 / SAE4140 / GB42CrMo, JIS SCM440, Alloy Steel Round Plate

 

Description:

 

1.DIN1.7225/SAE4140/GB42CrMo,JIS SCM440 alloy steel plate

2.Hot rolled or forged condition, annealing or harden, black or milled surface

3.Pre-heat treatment:

  • Annealing : heat to 840-860°c, keep 2H, furnace cold, hardness≤217HBS
  • High temperature tempering : heat to 680-700°c, air cold, hardness ≤217HBS

4.Heat treatment: 

  •  Normalization: heating to 840 to 880 ° C, maintenance, furnace cooling to 600 ° C, then in air. 
  •  Stress relieving: after rough heat to 500 ° C, maintenance raff. In oven to 400 ° C, then in air.
  •  Hardening: preheating from 600 to 650 ° C austenitizing at 840 to 880 ° C, quenching in oil. 
  • Tempering: heating to 550 - 650 ° C and maintenance regime, again depending on the mechanical 
  • properties 

5. Hot rolled technology:EAF+LF+VD

   Forged technology: EAF+LF+VD+ESR+Forging +Q T + Machined surface 

6.Ultrasonic test standard: SPE1921-GR3, CLASS C/C or D/D

7.Production leadtime: 7~10 days

8. Chemical composition:

 

C

Mn

Si

Cr

Ni

Cu

P

S

0.17-0.23

0.30-0.60

0.15-0.40

1.25-1.75

3.25-3.75

≤0.25

≤0.030

≤0.030

 

9.Compared grades(based on usage):

 

Chinese

American

German

Japanese

GB

AISI

DIN

JIS

42CrMO4

4140

1.7225

 SCM440

 

 

Applications: 

 

  • General service industries (petroleum, food, chemical, paper, fertilizer,  Fabric, aviation and nuclear)
  • Fluid, gas and oil transport
  • Pressure and heat transmission
  • bigPhoto
     Ms. Judy
    Sales Manager
    Tel: 86-769-89026617
    Fax: 86-769-89026617
    Mobile: 86- 139 2571 4028
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Company Info

DongGuan RuiYuan Steel Co.Ltd [China (Mainland)]


Business Type:Manufacturer
City: Dongguan
Province/State: Guangdong
Country/Region: China (Mainland)

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