Steel 60G

Designation

Name The value
Designation GOST Cyrillic 60Г
Designation GOST Latin 60G
Transliteration 60G
By chemical elements 60Mn

Description

Steel 60G used: for the manufacture of flat and round springs, leaf springs, spring rings and other parts of a spring type, which required high elastic properties and durability; tires, brake drums and bands, brackets, bushings and other parts General and heavy engineering; knives earthmoving machinery (bulldozers, scrapers, graders and graders, as well as to the dozer and grader blades equipment excavators, rollers and other earth moving machines); measuring tapes.

Note

Steel spring alloy.

Standards

Name Code Standards
Bars and shapes В32 GOST 1051-73, 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 14-1-1271-75, TU 14-136-367-2008
Bars and shapes В22 GOST 1133-71, GOST 8278-83, GOST 8281-80, GOST 8282-83, GOST 8283-93, GOST 9234-74, GOST 11474-76, GOST 17152-89, GOST 2590-2006, GOST 2591-2006, GOST 2879-2006
Fittings, components and parts for railway rolling stock Д55 GOST 11530-93
Sheets and strips В33 GOST 1577-93, GOST 4405-75, TU 14-1-4118-86, TU 14-1-4516-88, TU 14-1-4118-2004
Tape В34 GOST 2283-79
Steel wire medium and high carbon В72 GOST 26366-84
Sheets and strips В23 GOST 82-70, GOST 103-2006

Chemical composition

Standard C S P Mn Cr Si Ni Fe Cu
GOST 14959-79 0.57-0.65 ≤0.035 ≤0.035 0.7-1 ≤0.25 0.17-0.37 ≤0.25 Rest ≤0.2
GOST 17152-89 (ИСО 7129-82 0.57-0.65 ≤0.035 ≤0.035 0.7-1 ≤0.25 0.17-0.37 ≤0.25 Rest ≤0.2
Fe is the basis.

Mechanical properties

Section, mm t отпуска, °C sT|s0,2, MPa σU, MPa d5, % d4 d10 y, % HB, MPa HRC
Cold-rolled steel strip of 0.1-4.0 mm according to GOST 2283-79 on delivery
0.1-4 - - 740-1180 - - - - - -
Sample section 34,0х9,5 mm. Quenching in oil from 950 °C to + Vacation
- 400 ≥1460 ≥1710 ≥2 - - ≥5 ≥440 -
Cold-rolled steel strip of 0.1-4.0 mm according to GOST 2283-79 on delivery
0.1-1.5 - - ≤640 - ≥15 - - - -
Sample section 34,0х9,5 mm. Quenching in oil from 950 °C to + Vacation
- 500 ≥1270 ≥1460 ≥4 - - ≥10 ≥420 -
Cold-rolled steel strip of 0.1-4.0 mm according to GOST 2283-79 on delivery
1.5-4 - - ≤740 - ≥10 - - - -
Sample section 34,0х9,5 mm. Quenching in oil from 950 °C to + Vacation
- 600 ≥1120 ≥1240 ≥7 - - ≥16 ≥380 -
Cold-rolled steel strip of 0.1-4.0 mm according to GOST 2283-79 on delivery
0.1-1.5 - - ≤620 - ≥15 - - - -
Sample section 34,0х9,5 mm. Quenching in oil from 950 °C to + Vacation
- 700 ≥980 ≥1130 ≥5 - - ≥22 ≥350 -
Cold-rolled steel strip of 0.1-4.0 mm according to GOST 2283-79 on delivery
1.5-4 - - ≤620 - ≥12 - - - -
Hot-rolled sheet. Normalization
80 - ≥390 - ≥11 - - ≥35 ≥229 -
Flats on the other 14-1-4118-2004
- - 540-780 - ≥12 ≥14 - - -
Rolled steel. Quenching in water with a 790-810 °C + Vacation at 360-400 °C, air cooling
20 - ≥1180 ≥1370 ≥5 - - ≥10 - 42-47
Rolled steel. Quenching in water from 800-820 °C + Vacation at 530-600 °C, air cooling
40-60 - ≥640 ≥830 ≥9 - - ≥37 - 30-35
Rolled steel. Steel categories: 3, 3A, 3B, 3C, 3D, 4, 4A, 4B. Hardened in oil from 830 °C to + vacation at 470 °C
- ≥785 ≥980 ≥8 - - ≥30 - -

Description mechanical marks

Name Description
sT|s0,2 Yield strength or limit of proportionality with a tolerance for residual deformation of 0.2%
σU Limit short-term strength
d5 Elongation after rupture
d4 Elongation after rupture
d10 Elongation after rupture
y The relative narrowing
HB Brinell hardness number
HRC Rockwell hardness (indenter diamond spheroconical)

Physical characteristics

Temperature Е, HPa G, HPa r, kg/m3 a, 10-6 1/°C С, J/(kg · °C)
0 204 81 7810 - -
20 204 - 7810 - -
100 - - - 116 483
200 - - - 119 483
300 - - - 129 -
400 - - - 129 487
600 - - - 138 529
800 - - - 146 575

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. Partially welded contact.
Склонность к отпускной хрупкости inclined when the content of Mn>=1%
The temperature of forging Start - 1200 °C, the end - of 800 °C.
Flock-sensitive sensitivity insensitive
Machinability In the hardened and tempered condition, when blower SB=800-920 MPa Kn TV.SPL.=0.72 Kn b.St.=0.63.