1.4971
2014-09-15 10:37:25 Origin： Remark：0 Click：
DIN 1.4971 Austenitic steel, 1.4971 Chemical, 1.4971 Properties from steelmaking, ESR, blooming, forging, rolling, heat treatment, straightened, ultrasonic test, cold working, machined. We also possess advanced precision machining equipments for further processing.
DIN X12CrCoNi21-20 & W-Nr 1.4971 - DATA SHEET
MATERIAL CATEGORY
High temperature high strength steel and superalloy
PRODUCT DESCRIPTION
The alloy is usually produced by AOD/VIM/VOD 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 / QT / solution treatment
MATERIAL SPECIFICATIONS
DIN 17742, 17460, 17480 (2002/1992), DIN EN 103021, 10296, 10095 (2002/1999)
AVAILABLE SHAPES
Black bar /Flat bar /square bar
Bright - peeled + polishing /centerless grinding /peeled + slidabrading
Forged - ring /pipe casing /discs /shaft
CHEMICAL COMPOSITION (WEIGHT %) - DIN X12CrCoNi21-20 / W-Nr 1.4971
C (％): 0.08 ~ 0.16
Si (％): ≤ 1.00
Mn (％): 1.00 ~ 2.00
P (％)≤: 0.040
S (％)≤: 0.030
Cr (％): 20.0 ~ 22.5
Ni (％): 19.0 ~ 21.0
Mo (％): 2.50 ~ 3.50
Co (％): 18.5 ~ 21.0
Si (％): ≤ 1.00
Mn (％): 1.00 ~ 2.00
P (％)≤: 0.040
S (％)≤: 0.030
Cr (％): 20.0 ~ 22.5
Ni (％): 19.0 ~ 21.0
Mo (％): 2.50 ~ 3.50
Co (％): 18.5 ~ 21.0
W (%): 2.00 ~ 3.00
Nb/Ta (%): 0.75 ~ 1.25
N (%): 0.10 ~ 0.20
MECHANICAL PROPERTIES - HOT WORKING, HEAT TREATMENT AND HARDNESS
Hot forming temperature /℃: 1150～950
Heat treatment temperature /℃ | annealing: -
Heat treatment temperature /℃ | quenching or solution: 1165~1195 air
Heat treatment temperature /℃ | tempering: 800~830
Heat treatment temperature /℃ | ageing: -
Condition: precipitation hardening
Mechanical property under room temperature |σb/MPa: 690~930
Mechanical property under room temperature |σs≥/MPa: 345
Mechanical property under room temperature |σs≥/MPa: 345
Mechanical property under room temperature |δ5≥(％): 20
Mechanical property under room temperature |Akv(DVM): 41
Heat stability temperature/℃: 730
Non-scale temperature in air /℃: 980
MECHANICAL PROPERTY UNDER HIGH TEMPERATURE
Mechanical property above 200℃ σ0.2/MPa，at following temperature /℃|200: 275
Mechanical property above 200℃ σ0.2/MPa，at following temperature /℃|300: 255
Mechanical property above 200℃ σ0.2/MPa，at following temperature /℃|400: 245
Mechanical property above 200℃ σ0.2/MPa，at following temperature /℃|500: 245
Mechanical property above 200℃ σ0.2/MPa，at following temperature /℃|600: 235
Mechanical property above 200℃ σ0.2/MPa，at following temperature /℃|700: 216
Mechanical property above 200℃ σ0.2/MPa，at following temperature /℃|800: 157
Mechanical property above 200℃ σ0.2/MPa，at following temperature /℃|300: 255
Mechanical property above 200℃ σ0.2/MPa，at following temperature /℃|400: 245
Mechanical property above 200℃ σ0.2/MPa，at following temperature /℃|500: 245
Mechanical property above 200℃ σ0.2/MPa，at following temperature /℃|600: 235
Mechanical property above 200℃ σ0.2/MPa，at following temperature /℃|700: 216
Mechanical property above 200℃ σ0.2/MPa，at following temperature /℃|800: 157
Creep rupture strength /MPa，at following time/h and temperature /℃|1000h|600: 353
Creep rupture strength /MPa，at following time/h and temperature /℃|1000h|700: 206
Creep rupture strength /MPa，at following time/h and temperature /℃|1000h|800: 103
Creep rupture strength /MPa，at following time/h and temperature /℃|1000h|900: 39
Creep rupture strength /MPa，at following time/h and temperature /℃|10000h|600: 284
Creep rupture strength /MPa，at following time/h and temperature /℃|10000h|700: 147
Creep rupture strength /MPa，at following time/h and temperature /℃|10000h|800: 65
Creep rupture strength /MPa，at following time/h and temperature /℃|10000h|900: -
Creep rupture strength /MPa，at following time/h and temperature /℃|100000h|600: 216
Creep rupture strength /MPa，at following time/h and temperature /℃|1000h|700: 206
Creep rupture strength /MPa，at following time/h and temperature /℃|1000h|800: 103
Creep rupture strength /MPa，at following time/h and temperature /℃|1000h|900: 39
Creep rupture strength /MPa，at following time/h and temperature /℃|10000h|600: 284
Creep rupture strength /MPa，at following time/h and temperature /℃|10000h|700: 147
Creep rupture strength /MPa，at following time/h and temperature /℃|10000h|800: 65
Creep rupture strength /MPa，at following time/h and temperature /℃|10000h|900: -
Creep rupture strength /MPa，at following time/h and temperature /℃|100000h|600: 216
Creep rupture strength /MPa，at following time/h and temperature /℃|100000h|700: 98
Creep rupture strength /MPa，at following time/h and temperature /℃|100000h|800: 34
Creep rupture strength /MPa，at following time/h and temperature /℃|100000h|900: -
Creep rupture strength /MPa，at following time/h and temperature /℃|100000h|800: 34
Creep rupture strength /MPa，at following time/h and temperature /℃|100000h|900: -
TYPICAL APPLICATIONS
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.
Gas turbine
Turbine blade
Fuel nozzle
Heat treating fixture
Furnace muffle
Nuclear reactor
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.
TECHNICAL SALES ASSISTANCE
If you meet further on any technical enquiry. pleased to E-mail (sales@ccsteels.com) or call our resident team of qualified production engineers.
PRODUCT PROFILE
Round bar / Wire rod (Diameter): 5.5mm to 700mm
Square bar / Flat bar: 10mm to 700mm
Plate / Sheet steel / Steel strip: 0.5mm to 1000mm
Width: 8mm to 1000mm
Length: random length or based on the customer's special requirement.
Forged steel shape: stepped shafts with flanks / discs /tubes /slugs /donuts /cubes /other different shapes based on OEM.
Pipes / Tubings: OD 3-219 mm, with wall thickness ranging from 0.50 to 35 mm.
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