35G2 steel is used: for the manufacture of shafts, axle shafts, axles, clutch levers, forks, flanges, crankshafts, connecting rods, bolts, rings, casings, gears and other parts used in various branches of engineering, which meet the requirements of increased wear resistance.

Note

Structural steel high-quality manganese.

Standards

Name	Code	Standards
Bars and shapes	В22	GOST 1133-71, GOST 8278-83, GOST 8281-80, GOST 8282-83, GOST 8283-93, GOST 8319.0-75, GOST 9234-74, GOST 11474-76, GOST 2590-2006, GOST 2591-2006, GOST 2879-2006
Sheets and strips	В33	GOST 1577-93
Bars and shapes	В32	GOST 4543-71, GOST 7417-75, GOST 8559-75, GOST 8560-78, GOST 10702-78, GOST 14955-77, GOST 1050-2013, TU 14-1-2118-77, TU 14-11-245-88, TU 14-1-1271-75, TU 14-1-5228-93, TU 14-136-367-2008
Sheets and strips	В23	GOST 82-70, GOST 19903-74, GOST 103-2006, GOST 19903-90
Processing of metals by pressure. Forgings	В03	GOST 8479-70, ST ЦКБА 010-2004
Blanks. Of the workpiece. Slabs	В31	OST 3-1686-90, TU 14-1-4944-90, TU 14-1-904-74

Chemical composition

Standard	C	S	P	Mn	Cr	Si	Ni	Fe	Cu	V	Ti	Mo	W
GOST 4543-71	0.31-0.39	≤0.035	≤0.035	1.4-1.8	≤0.3	0.17-0.37	≤0.3	Rest	≤0.3	≤0.05	≤0.03	≤0.15	≤0.2

Fe is the basis.
According to GOST 4543-71 the content in high-quality steel is regulated: P≤0,025%; S≤0.025%; Сu≤0.30%; in high-grade steel: P≤0,025%; S≤0.015%; Сu≤0.25%. In accordance with the order, the content of Mn = 1,2-1,6% can be established.

Mechanical properties

Section, mm	t отпуска, °C	s_T\|s_0,2, MPa	σ_U, MPa	d₅, %	d₁₀	y, %	KCU, kJ/m²	HB, MPa
Hot-rolled steel and hot rolled with special surface finish
-	-	-	-	-	-	-	-	≤187
Steel calibrated and calibrated with special surface finish
-	-	-	-	-	-	-	-	≤207
Quenching in oil from 870 °C to + vacation at 650 °C, air cooling
≤25	-	365	620	18	-	40	-	-
Quenching in water from 820 °C to + vacation at 600 °C, cooling in water (named place of clippings sample)
100	-	660	800	-	16	60	410	241
Rod with cross section of 25 mm. Quenching in oil from 830 °C to + vacation, cooling in oil
-	375	-	-	9	-	44	100	402
Normalizing at 870 °C, air cooling
-	-	265	570	14	-	-	-	-
Normalization at 840-870 °C, air cooling + vacation at 600-650 °C, air cooling
100-300	-	295	580	18	-	43	285	183-241
Quenching in water from 820 °C to + vacation at 600 °C, cooling in water (named place of clippings sample)
75	-	-	820	-	16	60	670	242
Rod with cross section of 25 mm. Quenching in oil from 830 °C to + vacation, cooling in oil
-	450	950	-	12	-	55	290	321
Normalizing at 870 °C, air cooling
-	-	235	580	16	-	-	-	-
Normalization at 860 °C, air cooling
100-300	-	275	530	17	-	38	334	156-197
Quenching in water from 820 °C to + vacation at 600 °C, cooling in water (named place of clippings sample)
100	-	490	720	-	18	56	290	210
Rod with cross section of 25 mm. Quenching in oil from 830 °C to + vacation, cooling in oil
-	525	880	-	14	-	60	390	286
Normalizing at 870 °C, air cooling
-	-	215	490	23	-	-	-	-
Quenching in water from 820 °C to + vacation at 600 °C, cooling in water (named place of clippings sample)
50	-	590	700	-	18	57	680	220
Rod with cross section of 25 mm. Quenching in oil from 830 °C to + vacation, cooling in oil
-	600	670	-	18	-	65	880	241
Annealing: heating to 775 °C at a rate of 250 deg/h, shutter speed, cooling with the furnace at a speed of 40 deg/h.
-	-	380	670	23	-	57	471	179
Quenching in water from 820 °C to + vacation at 600 °C, cooling in water (named place of clippings sample)
75	-	540	730	-	18	54	590	210

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
d₁₀	Elongation after rupture
y	The relative narrowing
KCU	Toughness
HB	Brinell hardness number

Physical characteristics

Temperature	Е, HPa	r, kg/m³	l, W/(m · °C)
0	204	7790	-
20	204	7790	-
100	-	-	40
200	-	-	38
300	-	-	37
400	-	-	36
500	-	-	35

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

Technological properties

Name	The value
Weldability	RDS required heating and subsequent heat treatment, the CCC requires subsequent heat treatment.
Склонность к отпускной хрупкости	inclined
The temperature of forging	Start - 1200 °C, the end - of 800 °C.
Flock-sensitive sensitivity	sensitive
Machinability	HB 156-207 Kn TV.SPL.=0.85 Kn b.St.=0.65

Steel 35G2

Designation

Description