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Hot rolled  AISI 5140/ASTM 5140/JIS SCR440/GB 40Cr Alloy Steel Rod
 
Description:
 
1. AISI 5140/ASTM 5140/JIS SCR440/GB 40Cr alloy steel round bar 
2.Hot rolled condition, annealing , black or milled surface
3.Hardness: ≤210HBS ; 
4.Machine Capability
  • Tensile strength (N/mm2Mpa): >=835
  • Elongation %: >=10
  • Yield strength: >=540
  • Hardness: HBS<=179
  • Reduction of area: >=40%
5. Hot rolled technology:EAF+LF+VD
6.Ultrasonic test standard: SPE1921-GR3, CLASS C/C
7.Production leadtime: 7~10 days
8.Chemical composition:
 
C
Si
Mn
P≤
S≤
Cr
Ni≤
Cu≤
0.38~0.45
0.35-0.43
0.6~0.9
0.025
0.025
0.9~1.2
0.12
0.017
 
9.Compared grades(based on usage):
 
Chinese
American
German
Japanese
GB
AISI
DIN
JIS
40CR
5140
1.7035
 SCr440
 
 
Applications: 
 
 AISI 5140 alloy steel Used for making the fastening piece, machine elements, sleeve gear
Extrusion dies and die-casting for alumium, Mandgnesium allay mostly, for copper alloy could use
 mechaincal press forhing of steel
 
 
Specifications:
 
Hot rolled condition
Steel plate(mm)
Mill name
 
Diameter
Length
 
 
¢16~¢205
2000~5800
XiangGang, BengGang, ShouGang steel 
 
 
Competitive Advantage:
 
  • High strength,
  • High tenacity
  • Good hardenability 
  • High resistance to thermal properties.
  • Competitive price
  • Fast production leadtime 
  •  All the material are inspected with 3 times to meet the highly standards

Our Main products:
DongGuan RuiYuan Steel Co.,Ltd Specializes in plastic mould steel, hot work mould steel, cold work mould steel  alloy steel and carbon structural steel, such as : P20, P20+Ni, 1.2714, 1.2083, 1.2316, H13, O1, D2, D3, D5, 1045, 1050, A3, 52100(EN31), 4137, 4140, 4340, 5140, 6150, 8620 and SCM420  for exporting over 20 countries now, such as: Brazil, India, Turkey, Italy, Germany, Korea, Malaysia, Iran and so on.