Steel 11KH11N2V2MF (ЭИ962)

Designation

Name	The value
Designation GOST Cyrillic	11Х11Н2В2МФ
Designation GOST Latin	11X11H2B2MF
Transliteration	11H11N2V2MF
By chemical elements	11Cr11Н2W2MoV

Name	The value
Designation GOST Cyrillic	ЭИ962
Designation GOST Latin	EI962
Transliteration	EhI962
By chemical elements	-

Description

11KH11N2V2MF steel is used: for the manufacture of compressor disks, blades and other loaded parts, long operating at temperatures up to +600 °C; for the production of welding wire, used for welding parts and welding of steel structures in power engineering industry; for the manufacture of welding electrodes; solid-rolled rings from various industrial purposes; welding rings with subsequent profiling punching.

Note

Steel corrosion and heat resistant martensitic class.
The recommended maximum operating temperature for a long time (10,000 hours) +600 °C. the Temperature of intensive scaling in air +750 °C.

Standards

Name	Code	Standards
Sheets and strips	В33	GOST 5582-75, TU 14-1-1222-74, TU 14-1-2150-77, TU 14-1-2476-78, TU 14-1-3219-81
Classification, nomenclature and General rules	В30	GOST 5632-72
Bars and shapes	В32	GOST 5949-75, OST 1 90228-76, OST 1 90362-85, TU 14-1-2172-77, TU 14-11-245-88, TU 14-1-1271-75
Classification, nomenclature and General rules	В20	OST 1 90005-91
Blanks. Of the workpiece. Slabs	В31	OST 3-1686-90, OST 1 90165-74, OST 1 90305-89, OST 1 90349-84, OST 1 90386-89
Processing of metals by pressure. Forgings	В03	TU 14-1-1530-75, TU 14-1-2902-80, TU 14-1-2918-80
Welding and cutting metals. Soldering, riveting	В05	TU 14-1-997-74, TU 14-1-997-2012

Chemical composition

Standard	C	S	P	Mn	Cr	Si	Ni	Fe	Cu	V	Ti	Mo	W
TU 14-1-2918-80	0.09-0.13	≤0.015	≤0.03	≤0.6	10.5-12	≤0.6	1.5-1.8	Rest	≤0.3	0.18-0.3	≤0.2	0.35-0.5	1.6-2
TU 14-1-2172-77	0.09-0.13	≤0.025	≤0.03	≤0.6	10.5-12	≤0.6	1.5-1.8	Rest	≤0.3	0.18-0.3	≤0.2	0.35-0.5	1.6-2
TU 14-1-997-74	0.09-0.13	≤0.025	≤0.03	≤0.6	10.5-12	≤0.6	1.5-1.8	Rest	≤0.2	0.18-0.3	-	0.35-0.5	1.6-2

Fe is the basis.
According to TU 14-1-2902-80, TU 14-1-2172-77 and TU 14-1-2918-80 the chemical composition is given for 11Х11Н2В2МФ-Ш.

Mechanical properties

Section, mm	t отпуска, °C	s_T\|s_0,2, MPa	σ_U, MPa	d₅, %	y, %	KCU, kJ/m²	HB, MPa	HRC
Gradation of performance properties of the finished heat-treated parts for OST 1 90005-91
-	-	-	830-1030	-	-	-	248-302	22-33
Ring welded at OST 1 90349-84. Hardening from 1000-1020 °C in oil or air + Vacation at 540-590 °C
-	-	≥833	≥981	≥12	≥50	≥588	310-388	-
-	-	-	≥882	≥7	-	-	-	-
Ring welded at OST 1 90349-84. Hardening from 1000-1020 °C in oil or air + Vacation at 650-680 °C
-	-	≥735	≥833	≥12	≥55	≥686	269-321	-
-	-	-	≥745	≥6	-	-	-	-
Ring clinocerinae for OST 1 90228-76. Normalization at 1000-1020 °C + Quenching in oil or air from 1000-1020 °C + Vacation at 540-590 °C
	-	≥833	≥980	≥10	≥50	≥588	311-387	-
Hot rolled sheet (of 1.5-3.9 mm) and cold rolled (0,7-3,9 mm) steel according to GOST 5582-75. Annealing in air 1000-1150 °C + Vacation at 560-900 °C, air cooling
	-	-	≥880	≥10	-	-	-	-
Hot rolled sheet (of 1.5-3.9 mm) and cold rolled (0,7-3,9 mm) steel according to GOST 5582-75. Annealing at 760-780 °C
-	-	-	≤830	≥22	-	-	-	-
Forgings 14-1-1530-75 TU, TU 14-1-2902-80, THE 14-1-2918-80. Normalization at 1000-1020 °C + Hardening from 1000-1020 °C in oil or air + Vacation
	640-680	≥735	≥830	≥12	≥55	≥680	269-321	-
	540-590	≥835	≥980	≥10	≥50	≥580	311-388	-
Bars hot rolled and forged on the other 14-1-2172-77. The longitudinal samples. Normalization at 1000-1020 °C + Quenching in oil or air from 1000-1020 °C + Vacation at 540-590 °C, air cooling
	540-590	≥833	≥980	≥10	≥50	≥588	311-388	-
	640-680	≥735	≥833	≥12	≥55	≥686	269-320	-
Bars hot rolled and forged according to GOST 5949-75. Normalization at 1000-1020 °C + Quenching in oil or air from 1000-1020 °C + Vacation
	540-590	≥835	≥980	≥10	≥50	≥588	-	-
	640-680	≥735	≥835	≥12	≥55	≥686	-	-

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
HRC	Rockwell hardness (indenter diamond spheroconical)

Technological properties

Name	The value
Macrostructure and pollution	Macrostructure of steel shall be no traces of shrinkage, voids, bubbles, fissures, fistula, delaminations, cracks, and foreign inclusions.