Characteristics of 65G-brand steel
65G steel is highly elastic and durable, and conforms to the GOST 14959, GOST 1577, and DSTU 8429 standards.
Classification: Structural spring steel.
Product: Rolled products, including shaped.
Chemical composition of 65G steel, %
|
С |
Si |
Mn |
P |
S |
Cr |
Cu |
|
0.62-0.7 |
<0.17-0.37
|
<0.9-1.2
|
<0.035
|
<0.035
|
<0.25
|
0.2 |
Mechanical properties of 65G steel
|
Heat treatment |
Minimum yield strength, ReH (MPa) |
Ultimate tensile strength, Rm (MPa) |
Minimum elongation ratio σ, % |
Contraction ratio, % |
|
Quenching from 830°С in oil, tempering at 470°С |
785 |
980 |
8 |
30 |
Analogues to 65G steel
|
US |
1066, 1566, G15660 |
|
Germany |
66Mn4, Ck67 |
|
UK |
080A67 |
|
China |
65Mn |
|
Bulgaria |
65G |
|
Poland |
65G |
Application
As a spring steel, 65G is widely used in washers and spring collars, various types of springs (flat and round), clamping and feeding collets, thrust washers, clutch plates, locking rings and other spring-controlled components that must be highly elastic and durable.
Welding
65G steel is not used for welded structures. Unlimited butt-resistance welding can be applied.
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