X11CrNiMoN12
2014-09-13 09:11:33 Origin： Remark：0 Click：
X11CrNiMoN12 / AMS 1.4939 is Martensitic stainless steel. Grade 1.4938 is widely used to produce the high temperature components for gas turbine in the field of aviation, naval vessels, such as turbine blade, guide blade, turbine disc. It achieved high strength and hardness after treatment.
Superalloy is widely used to produce the high temperature components for gas turbine in the field of aviation, naval vessels and industry, such as turbine blade, guide blade, turbine disc, high pressure compressor disc, combustor, and also production of energy conversion devices, such as aerospace craft, rocket motor, nuclear reactor, petrochemical equipments, coaly transforming and so on.
MATERIAL DATA SHEET - Grade X11CrNiMoN12
MATERIAL CATEGORY - High temperature high strength steel and superalloy
PRODUCT DESCRIPTION
The alloy is usually produced by AOD / VIM / EAF followed by electroslag refining (ESR or VAR) if necessary for special purpose.
Bars and, where applicable, forgings are subjected to ultrasonic examination based on the different level according to the buyers' requirements.
Bars are usually supplied bright in the solution annealing condition.
Final heat treatment - heat treatment / Quenched and tempered
MATERIAL SPECIFICATIONS - DIN 17742, 17460, 17480 (2002/1992), DIN EN 103021, 10296, 10095
AVAILABLE SHAPES
Round bar / flat bar / hollow bar / foring stock / Ring / Valve set
Bright - peeled + polishing /centerless grinding /peeled + slidabrading
Forged - ring /pipe casing /discs /shaft
CHEMICAL COMPOSITION (mass weight %)
C (％): 0.08～0.15
Si (％): ≤0.50
Mn (％): 0.40～0.90
P (％)≤: 0.025
S (％)≤: 0.015
Cr (％): 11.0～12.5
Ni (％): 2.00～3.00
Mo (％): 1.50～2.00
V (％): 0.25～0.40
Si (％): ≤0.50
Mn (％): 0.40～0.90
P (％)≤: 0.025
S (％)≤: 0.015
Cr (％): 11.0～12.5
Ni (％): 2.00～3.00
Mo (％): 1.50～2.00
V (％): 0.25～0.40
N (%): 0.010～0.050
MECHANICAL PROPERTIES - HOT WORKING, HEAT TREATMENT AND HARDNESS
Hot forming temperature /℃: 1150～800
Heat treatment temperature /℃ | annealing: 660~690
Heat treatment temperature /℃ | quenching or solution: 1050±15 oil
Heat treatment temperature /℃ | tempering: 640~690
Heat treatment temperature /℃ | ageing: 590~640
Condition: heat treatment
Mechanical property under room temperature |σb/MPa: 950~ 1150
Mechanical property under room temperature |σs≥/MPa: 800
Mechanical property under room temperature |δ5≥(％): 13
Mechanical property under room temperature |Akv(DVM): 55
Heat stability temperature/℃: 580
MECHANICAL PROPERTY UNDER HIGH TEMPERATURE
Mechanical property above 200℃ σ0.2/MPa，at following temperature /℃|200: 800
Mechanical property above 200℃ σ0.2/MPa，at following temperature /℃|300: 770
Mechanical property above 200℃ σ0.2/MPa，at following temperature /℃|400: 700
Mechanical property above 200℃ σ0.2/MPa，at following temperature /℃|500: 590
Mechanical property above 200℃ σ0.2/MPa，at following temperature /℃|600: 350
Mechanical property above 200℃ σ0.2/MPa，at following temperature /℃|700: -
Mechanical property above 200℃ σ0.2/MPa，at following temperature /℃|800: -
Mechanical property above 200℃ σ0.2/MPa，at following temperature /℃|300: 770
Mechanical property above 200℃ σ0.2/MPa，at following temperature /℃|400: 700
Mechanical property above 200℃ σ0.2/MPa，at following temperature /℃|500: 590
Mechanical property above 200℃ σ0.2/MPa，at following temperature /℃|600: 350
Mechanical property above 200℃ σ0.2/MPa，at following temperature /℃|700: -
Mechanical property above 200℃ σ0.2/MPa，at following temperature /℃|800: -
Creep rupture strength /MPa，at following time/h and temperature /℃|1000h|600: -
Creep rupture strength /MPa，at following time/h and temperature /℃|1000h|700: -
Creep rupture strength /MPa，at following time/h and temperature /℃|1000h|800: -
Creep rupture strength /MPa，at following time/h and temperature /℃|1000h|900: -
Creep rupture strength /MPa，at following time/h and temperature /℃|1000h|700: -
Creep rupture strength /MPa，at following time/h and temperature /℃|1000h|800: -
Creep rupture strength /MPa，at following time/h and temperature /℃|1000h|900: -
Creep rupture strength /MPa，at following time/h and temperature /℃|10000h|600: 98
Creep rupture strength /MPa，at following time/h and temperature /℃|10000h|700: -
Creep rupture strength /MPa，at following time/h and temperature /℃|10000h|800: -
Creep rupture strength /MPa，at following time/h and temperature /℃|10000h|900: -
Creep rupture strength /MPa，at following time/h and temperature /℃|10000h|700: -
Creep rupture strength /MPa，at following time/h and temperature /℃|10000h|800: -
Creep rupture strength /MPa，at following time/h and temperature /℃|10000h|900: -
Creep rupture strength /MPa，at following time/h and temperature /℃|100000h|600: 49
Creep rupture strength /MPa，at following time/h and temperature /℃|100000h|700: -
Creep rupture strength /MPa，at following time/h and temperature /℃|100000h|800: -
Creep rupture strength /MPa，at following time/h and temperature /℃|100000h|900: -
Creep rupture strength /MPa，at following time/h and temperature /℃|100000h|800: -
Creep rupture strength /MPa，at following time/h and temperature /℃|100000h|900: -
TYPICAL APPLICATIONS
Gas turbine, Turbine blade, Fuel nozzle, Heat treating fixture.
Furnace muffle, Nuclear reactor.
Turbine engine parts - mechanical gears, gear shaft, main axis, blade.
Mechanical parts - bolt and nut, fastener.
Heat treatment furnace flask and components, especially in the carbonization.
These materials must stand up to high heat, extreme oxidation potential and recycling.
These materials must stand up to high heat, extreme oxidation potential and recycling.
PRODUCT PROFILE & DIMENSION
Round bar / Wire rod (Diameter): 5.5 to 600mm
Square bar / Flat bar: 10 to 600mm
Plate / Sheet steel / Steel strip: Thickness 0.5 ~ 200mm
Width: 8 to 1000mm
Length: random length or based on the customer's special requirement.
Forged steel shape: stepped shafts / other different shapes based on OEM.
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