in Dnipro

Mülheim an der Ruhr
Dnieper
Kiev

Steel 55S2GF

Designation

Name	The value
Designation GOST Cyrillic	55С2ГФ
Designation GOST Latin	55C2GF
Transliteration	55S2GF
By chemical elements	55С2MnV

Description

55S2GF steel is used: for the manufacture of springs critical purpose of the springs of the vehicles.

Note

Steel spring alloy quality.

Standards

Name	Code	Standards
Bars and shapes	В32	GOST 14959-79, TU 14-1-2118-77, TU 14-11-245-88, TU 14-136-367-2008
Steel wire medium and high carbon	В72	GOST 26366-84

Chemical composition

Standard	C	S	P	Mn	Cr	Si	Ni	Fe	Cu	V
GOST 14959-79	0.52-0.6	≤0.035	≤0.035	0.95-1.25	≤0.3	1.5-2	≤0.25	Rest	≤0.2	0.1-0.15

Fe is the basis.

Mechanical properties

Section, mm	s_T\|s_0,2, MPa	σ_U, MPa	d₅, %	y, %
Rolled steel. Steel categories: 3, 3A, 3B, 3C, 3D, 4, 4A, 4B. Quenching in oil from 870 °C to + vacation at 470 °C
	≥1375	≥1570	≥6	≥25

Description mechanical marks

Name	Description
s_T\|s_0,2	Yield strength or limit of proportionality with a tolerance for residual deformation of 0.2%
σ_U	Limit short-term strength
d₅	Elongation after rupture
y	The relative narrowing