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Steel 60S2N2A

Designation

Name The value
Designation GOST Cyrillic 60С2Н2А
Designation GOST Latin 60C2H2A
Transliteration 60S2N2A
The chemical elements 60С2Н2

Description

60S2N2A steel is used: for the production of responsible and heavy-duty springs and leaf springs.

Note

Steel spring alloy of high quality.

Standards

Name Code Standards
Sheets and stripes В23 GOST 103-2006
Sectional and shaped rolling В22 GOST 1133-71, GOST 2590-2006, GOST 2591-2006, GOST 2879-2006
Steel wire medium- and high-carbon В72 GOST 26366-84
Sheets and stripes В33 GOST 4405-75, TU 14-1-723-73
Sectional and shaped rolling В32 GOST 7417-75, GOST 7419-90, GOST 8559-75, GOST 8560-78, GOST 14955-77, GOST 14959-79, TU 14-1-2118-77, TU 14-11-245-88, TU 14-136-367-2008

Chemical composition

Standard C S P Mn Cr Si Ni Fe Cu
GOST 14959-79 0.56-0.64 ≤0.025 ≤0.025 0.4-0.7 ≤0.3 1.4-1.8 1.4-1.7 The rest ≤0.2
Fe is the basis.

Mechanical characteristics

Section, mm t отпуска, °C sT|s0,2, MPa σB, MPa d5, % d4 y, % Brinell hardness number, MPa
Rolled sheet. Annealing at 720 °C, cooling with the furnace
≤3.9 - ≤410 ≤700 - ≥19 ≥50 -
Rolled steel. Quenching in oil from 870 °C to + Vacation
- 380 ≥1780 ≥1920 ≥6 - ≥40 -
- 400 ≥1690 ≥1760 ≥6 - ≥41 -
Spring. Annealing or leave before the drawing at 730 °C, hot coiling at 850-900 °C + Quenching in oil with 850-870 °C + Vacation at 380-420 °C, air cooling
- - - - - - - 420-475
Rolled steel. Quenching in oil from 850 °C + Vacation at 420 °C, air cooling
10-25 - ≥1570 ≥1710 ≥5 - ≥20 -
Rolled steel. Quenching in oil from 870 °C to + Vacation
- 420 ≥1530 ≥1640 ≥7 - ≥41 -
Rolled steel. Steel categories: 3, 3A, 3B, 3C, 3D, 4, 4A, 4B. Quenching in oil from 870 °C to + vacation at 470 °C
- ≥1325 ≥1470 ≥8 - ≥30 -
Rolled steel. Quenching in oil from 870 °C to + Vacation
- 440 ≥1390 ≥1490 ≥8 - ≥42 -
- 460 ≥1360 ≥1440 ≥8 - ≥41 -
- 480 ≥1230 ≥1340 ≥9 - ≥40 -
- 500 ≥1210 ≥1300 ≥10 - ≥41 -
- 520 ≥1100 ≥1170 ≥12 - ≥43 -

Description mechanical marks

Name Description
Section Section
sT|s0,2 Yield strength or limit of proportionality with a tolerance for residual deformation of 0.2%
σB Limit short-term strength
d5 Elongation after rupture
d4 Elongation after rupture
y The relative narrowing

Physical characteristics

Temperature Е, ГПа G, ГПа
0 191 78

A description of the physical symbols

Name Description
Е The normal elasticity modulus
G Modulus of elasticity shear torsion
r Density
l Coefficient of thermal conductivity
R UD. the resistivity
a The coefficient of linear expansion

Technological properties

Name The value
Weldability does not apply to welded structures.
Propensity to temper brittleness tend not
Forging temperature Start - 1150 °C, the end - 850 °C.
Flock-sensitive sensitivity sensitive

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