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Help Center150 ~ 600 AISI 5140 / ASTM 5140 / JIS SCR440/GB 40Cr Alloy Steel Round Bar For Machine Elements
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Certification:ISO9001:2008;SGS TEST;Mill certificate test
¢ 150 ~ ¢ 600 AISI 5140 / ASTM 5140 / JIS SCR440/GB 40Cr Alloy Steel Round Bar For Machine Elements
Description:
1 AISI 5140/ASTM 5140/JIS SCR440/GB 40Cr alloy steel round bar
2.Hot rolled or forged 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
Forged technology: EAF+LF+VD+ESR+Forging +Q T + Machined surface
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 |
0017 |
9.Compared grades(based on usage):
|
Chinese |
American |
German |
Japanese |
|
GB |
AISI |
DIN |
JIS |
|
40CR |
5140 |
1.7035 |
SCr440 |
Applications:
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 |
|
|
Forged condition |
¢150~¢600 |
2500~4000 |
Local mill with 6000tons fluid forged machine |
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
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