Steel 13Х11Н2В2МФ

Steel 13Cr11H2V2MF: a classifier of steels and alloys. Below is systematized information on the purpose, chemical composition, types of supply, substitutes, critical point temperatures, physical, mechanical, technological and foundry properties for the grade — Steel 13Cr11Ni2V2MF.

General information on steel 13Х11Н2В2МФ

Delivery type

Bar stock, including shaped: GOST 5949−75, GOST 2590−71, GOST 2591−71. Calibrated bar GOST 7417−75, GOST 8559−75, GOST 8560−78. Grinded rod and silver GOST 14955−77. Strip GOST 4405−75, GOST 103−76. Forged and forged blanks GOST 1133−71.

Application

Responsible loaded parts operating at a temperature of 600 ° C. Steel heat-resistant martensitic class.

Chemical composition of steel 13Х11Н2В2МФ

Chemical element	%
Vanadium (V)	0.18−0.30
Tungsten (W)	1.6−2.0
Silicon (Si), not more than	0.6
Manganese (Mn), not more than	0.6
Copper (Cu), not more than	0.30
Molybdenum (Mo)	0.35−0.50
Nickel (Ni)	1.50−1.80
Sulfur (S), max.	0.025
Carbon (C)	0.10−0.16
Phosphorus (P), not more than	0.030
Chromium (Cr)	10.5−12.0

Mechanical properties of steel 13Х11Н2В2МФ

Mechanical properties at elevated temperatures

t tempering, °C	σ0_{, 2}, MPa	_σB, MPa	_δ5, %	ψ, %
Sample 6 mm in diameter and 30 mm long, rolled. Deformation rate 16 mm/minute. Strain rate 0.009 1/s.
900	105	135	64	87
1000	39	71	58	81
1100	28	41	61	95
1200	22	27	55	87

Mechanical properties depending on tempering temperature

t tempering temperature, °C	σ0_{, 2}, MPa	_σB, MPa	_δ5, %	ψ, %	KCU, ^J/m2	HB
Tempering at 1000 °C, oil.
200	1330	1520	12	55	61	432
300	1330	1470	13	59	60	420
400	1340	1490	13	54	61	432
450	1380	1500	15	56	54	420
475	1430	1530	13	54	37	440
500	1190	1330	13	60	71	390
550	1090	1240	15	61	88	337
600	910	1090	15	61	105	38
650	750	900	16	63	108	268
700	720	880	17	64	120	250

Mechanical properties of the bar

Heat treatment, delivery condition	Section, mm	σ0_{, 2}, MPa	_σB, MPa	_δ5, %	ψ, %	KCU, ^J/m2
Tempering at 1000−1020°C in oil or air. Tempering 660−710°C, air	60	735	880	15	55	88
Tempering at 1000−1020°C, oil or air. Tempering 540−590°C, air	60	930	1080	13	55	88

Mechanical properties in the long term strength test

Creep strength, MPa	Creep rate, %/h	t test,°C	Ultimate long-term strength, MPa	Test duration, h	t test, h
			392	10000	550
			568	100	500
			441	100	550
			294	100	600

Technological properties of 13Х11Н2В2МФ steel

Forging temperature

The beginning 1250, the end 850. Sections up to 400 mm are subjected to low-temperature annealing with two supercoolings.

Flocken sensitivity

sensitive

Steel 13Х11Н2В2МФ