35ХН2МЛ steel is used: for the manufacture of castings of gear rims, gear wheels and other heavily loaded parts; casting parts mining and metallurgical equipment and excavatoare.

Note

Steel 35ХН2МЛ has an increased tendency to lithoidal fracture and cracks.

Standards

Name	Code	Standards
Castings with special properties (iron and steel)	В83	KSt 81-033:2009
Steel castings	В82	TU 108.11.352-87, TU 24-1-12-181-75

Chemical composition

Standard	C	S	P	Mn	Cr	Si	Ni	Fe	Cu	Mo
TU 108.11.352-87	0.3-0.4	≤0.04	≤0.04	0.6-0.9	0.5-0.8	0.25-0.45	1.3-1.7	Rest	≤0.3	0.2-0.3
KSt 81-033:2009	0.3-0.4	≤0.035	≤0.03	0.5-0.8	0.5-0.8	0.17-0.37	1.5-1.9	Rest	-	0.25-0.4

Fe is the basis.

Mechanical properties

Section, mm	s_T\|s_0,2, MPa	σ_U, MPa	d	y, %	KCU, kJ/m²	HB, MPa
Casting parts mining and metallurgical equipment. Quenching in water from 840-860 °C + vacation at 580-600 °C, cooling in water
100	≥690	≥780	≥10	≥20	≥390	229-285
Casting parts excavatoare. After welding defects and release
-	≥686	≥784	≥10	≥20	≥490	234-302

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

Technological properties

Name	The value
Weldability	limited weldability. Welding methods: SMAW, ADS under gas protection. Recommended heating and subsequent heat treatment.
Склонность к отпускной хрупкости	malosana
Flock-sensitive sensitivity	sensitive

Steel 35ХН2МЛ

Designation

Description