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Steel 13Х11Н2В2МФ

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