38Х2Н3М steel is used: for the manufacture of critical parts of containers with high requirements for mechanical properties at elevated temperatures.

Chemical composition

Standard	C	S	P	Mn	Cr	Si	Ni	Mo
	0.35-0.42	≤0.035	≤0.03	0.5-0.8	1-1.5	0.17-0.37	2.75-3.25	0.3-0.4

Chemical composition is not verified by NTD. Total verified brands for chemical compounds: 2906 of 3316.

Mechanical properties

Section, mm	s_T\|s_0,2, MPa	σ_U, MPa	d₅, %	y, %	KCU, kJ/m²	HB, MPa
Quenching in oil with 850-870 °C + Vacation at 560-620 °C, cooling with the furnace
801-1300	-	-	-	-	-	241-321
Forgings section up to 600 mm. Quenching in oil with 850-870 °C + Vacation at 510-540 °C, cooling with the furnace
-	≥1000	≥1100	≥11	-	-	321-388
Quenching in oil with 850-870 °C + Vacation at 560-620 °C, cooling with the furnace
501-800	≥750	≥900	≥11	≥30	≥400	277-321
Forgings section up to 600 mm. Quenching in oil with 850-870 °C + Vacation at 510-540 °C, cooling with the furnace
-	≥750	≥850	≥12	-	-	-
Quenching in oil with 850-870 °C + Vacation at 560-620 °C, cooling with the furnace
301-500	≥800	≥950	≥11	≥30	≥500	263-331
Forgings section up to 600 mm. Quenching in oil with 850-870 °C + Vacation at 510-540 °C, cooling with the furnace
-	≥700	≥800	≥12	-	-	-
Quenching in oil with 850-870 °C + Vacation at 560-620 °C, cooling with the furnace
101-300	≥900	≥1000	≥12	≥35	≥600	302-340
Forgings section up to 600 mm. Quenching in oil with 850-870 °C + Vacation at 550-580 °C, cooling with the furnace
-	≥800	≥900	≥12	-	-	269-321
Normalization at 850-870 °C, air cooling + Vacation at 560-620 °C, cooling with the furnace
801-1300	-	-	-	-	-	229-302
Forgings section up to 600 mm. Quenching in oil with 850-870 °C + Vacation at 550-580 °C, cooling with the furnace
-	≥700	≥800	≥12	-	-	-
Normalization at 850-870 °C, air cooling + Vacation at 560-620 °C, cooling with the furnace
501-800	≥700	≥850	≥10	≥30	≥400	262-311
Forgings section up to 600 mm. Quenching in oil with 850-870 °C + Vacation at 550-580 °C, cooling with the furnace
-	≥650	≥750	≥12	-	-	-
Normalization at 850-870 °C, air cooling + Vacation at 560-620 °C, cooling with the furnace
301-500	≥750	≥900	≥11	≥30	≥400	277-321
Forgings section up to 600 mm. Normalization at 850-870 °C, air cooling + Vacation at 500-550 °C, cooling with the furnace
-	≥800	≥900	≥11	-	-	269-321
-	≥650	≥800	≥11	-	-	-

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
y	The relative narrowing
KCU	Toughness
HB	Brinell hardness number

Technological properties

Name	The value
Weldability	Steel difficult weldability.
Склонность к отпускной хрупкости	Malosolone.
The temperature of forging	Start - 1200 °C, the end - 850 °C.
Flock-sensitive sensitivity	A highly sensitive.

Steel 38Х2Н3М

Designation

Description

Chemical composition

Mechanical properties

Description mechanical marks

Technological properties

Subscribe to price lists and special offers