X11CrNiMoN12 / 1.4939 flat bar, forging, plate
2026-07-23 09:26:43 Origin： Remark：0 Click：
Designation Creep-resisting steel X11CrNiMoN12 heat treated round bar, milled flat bar, ESR Ingot AMS 5719 turbine blade steel, M152 quenched and tempered condition manufacturing
TECHNICAL DATA SHEET - X11CrNiMoN12 & EN 1.4939
Designation 1.4939 (X11CrNiMoN12) is a high-alloy content of 12.0%Cr - 3.0% Ni - 2.0% Mo steel with the addition of vanadium for carburization with a martensitic structure, 1.4939 has high strength properties and significantly increased resistance to oxidation, X11CrNiMoN12 is used for the production of aviation propellers, especially loaded gears, ball screws, responsible parts working at elevated temperatures.
Stock for sale: round bar diam. 40 ~ 210 mm, flat bar, forging block.
TECHNICAL SPECIFICATION: DIN 17442,17744, DIN EN 10302, 10095, EN 10088-1
Typical chemical compositions ( mass fraction - %)
Carbon, C (％): 0.08 ~ 0.15
Silicon, Si (％): ≤ 0.50
Manganese, Mn (％): 0.40 ~ 0.90
Phosphorus, P (％): ≤ 0.025
Sulfur, S (％): ≤ 0.015
Silicon, Si (％): ≤ 0.50
Manganese, Mn (％): 0.40 ~ 0.90
Phosphorus, P (％): ≤ 0.025
Sulfur, S (％): ≤ 0.015
Chromium, Cr (％): 11.0 ~ 12.5
Nickel, Ni (％): 2.00 ~ 3.00
Molybdenum, Mo (％): 1.50 ~ 2.00
Nickel, Ni (％): 2.00 ~ 3.00
Molybdenum, Mo (％): 1.50 ~ 2.00
Nitrogen, N (%): 0.020 ~ 0.040
Aluminum, Al (%): -
Vanadium, V (％): 0.25 ~ 0.40
TYPICAL MECHANICAL PROPERTIES
Heat treatment practice condition: quenched 1050℃, oil cooled, tempered 560 ℃, air cooled
Tensile strength, Rm / MPa: 1030
Heat treatment practice condition: quenched 1050℃, oil cooled, tempered 560 ℃, air cooled
Tensile strength, Rm / MPa: 1030
Yield strength, Rp0.2 ≥ MPa: 785
Elongation, A5 ≥ (％): 13.0
Elongation, A5 ≥ (％): 13.0
Non-scale temperature in air: 600℃
Hot search：X11CrNiMoN12 1.4938 M152 AMS 5719 round bar plate
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