DIN NiCr20TiAl datasheet,DIN NiCr20TiAl chemical,DIN NiCr20TiAl heat treatment
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DIN NiCr20TiAl
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※DINNiCr20TiAl /W-Nr2.4952 /AMS2.4631- DATA SHEET ※ MATERIAL CATEGORYHigh temperature high strengthsteel and superal...
※ DIN NiCr20TiAl / W-Nr 2.4952 / AMS 2.4631 - 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 %) 
C(%):     0.04~0.10
Si(%):    ≤1.00
Mn(%):   ≤1.00
P(%)≤:   0.020
S(%)≤:   0.015
Cr(%):    18.0~21.0
Ni(%):    ≥65.0
Mo(%):    —
other(%):    Co≤2.00,Al 1.00~1.80,Ti 1.80~2.70,B≤0.008,Fe≤3.00,Cu≤0.20
 
MECHANICAL PROPERTIES - HOT WORKING, HEAT TREATMENT AND HARDNESS
Hot forming temperature /℃:    1150~1050
Heat treatment temperature /℃ | annealing:  -    
Heat treatment temperature /℃ | quenching or solution:  1065~1080 air 
Heat treatment temperature /℃ | tempering: 835~865
Heat treatment temperature /℃ | ageing:   685~715
Condition: precipitation hardening
Mechanical property under room temperature |σb/MPa: ≥980                  
Mechanical property under room temperature  |σs≥/MPa: 590    
Mechanical property under room temperature |δ5≥(%):   12
Mechanical property under room temperature |Akv(DVM):  17    
Heat stability temperature/℃:   700
Non-scale temperature in air /℃:  950
          
MECHANICAL PROPERTY UNDER HIGH TEMPERATURE
Mechanical property above 200℃ σ0.2/MPa,at following temperature /℃|200:    568            
Mechanical property above 200℃ σ0.2/MPa,at following temperature /℃|300:    560         
Mechanical property above 200℃ σ0.2/MPa,at following temperature /℃|400:    540        
Mechanical property above 200℃ σ0.2/MPa,at following temperature /℃|500:    520        
Mechanical property above 200℃ σ0.2/MPa,at following temperature /℃|600:    500    
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 /℃|10000h|600:   433
Creep rupture strength /MPa,at following time/h and temperature /℃|10000h|700:   186
Creep rupture strength /MPa,at following time/h and temperature /℃|10000h|800:   70
Creep rupture strength /MPa,at following time/h and temperature /℃|10000h|900:    -

Creep rupture strength /MPa,at following time/h and temperature /℃|100000h|600:  272
Creep rupture strength /MPa,at following time/h and temperature /℃|100000h|700:  75
Creep rupture strength /MPa,at following time/h and temperature /℃|100000h|800:  20
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 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.
 
INVENTORY - rolled bar 
Diameter: 40mm
Quantity:  410kg
 
TECHNICAL SALES ASSISTANCE
If you meet further on any technical enquiry. pleased to email or call our resident team of qualified production engineers.
Product engineer: Mr. Chen, Mr.Jiang
Tel: 86-816-3307163, 365 3300
 
PRODUCT PROFILE  
Round bar / Wire rod (Diameter):  0.50mm to 3000mm
Square bar / Flat bar: 3mm to 2000mm
Plate / Sheet steel / Steel strip: 0.1mm to 2500mm
Width: 8mm to 2500mm
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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