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home Grades Structural steel Structural steel high machinability

Steel AS38KHGM

Designation

Name	The value
Designation GOST Cyrillic	АС38ХГМ
Designation GOST Latin	AC38XGM
Transliteration	AS38HGM
By chemical elements	-

Description

AS38KHGM steel is used: for the manufacture of automotive components (rings of the locking shaft bearing).

Note

Lead-containing alloy steel high machinability.

Standards

Name	Code	Standards
Bars and shapes	В32	GOST 1414-75, GOST 14955-77, TU 14-1-2217-92
Blanks. Of the workpiece. Slabs	В31	TU 14-1-1515-75, TU 14-1-514-73

Chemical composition

Standard	C	S	P	Mn	Cr	Si	Ni	Fe	Cu	Mo	Pb
GOST 1414-75	0.34-0.4	≤0.03	≤0.035	0.6-0.9	0.8-1.1	0.17-0.37	≤0.3	Rest	≤0.3	0.15-0.25	0.15-0.3

Fe is the basis.
According to GOST 1414-75, the total mass fraction of sulfur and phosphorus should not exceed 0.060%.

Mechanical properties

Section, mm	s_T\|s_0,2, MPa	σ_U, MPa	d₅, %	KCU, kJ/m²
Bars up to 100 mm Quenching in oil with 860-880 °C + Vacation at 580-620 °C, air cooling
25	≥785	≥930	≥11	≥784

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
KCU	Toughness