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 and sheet products.

 

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, (MPa)

Minimum temporary resistance, (MPa)

Minimum elongation ratio, %

Minimum 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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