1.4948
2014-09-14 08:54:42 Origin： Remark：0 Click：
Descriptions 1.4948 datasheet, 1.4948 Chemical, 1.4948 Properties from Steelmaking, Blooming, Hot forging, Hot rolling, Heat treatment, Straightening, 100% Ultrasonic flaw detection test, Cold working or Machined. All of these materials conform to Military standard, nuclear power. 100% Ultrasonic test ASTM E2375 /SAE AMS 2154 /SEP 1923 /GB/T 4162 /EN 10228-3.
TECHNICAL SPECIFICATIONS - W-Nr 1.4948
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) 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, DIN EN 103021, 10296, 10095
AVAILABLE SHAPES
Round bar / flat bar / square bar / valve body / forge ring
Bright - peeled + polishing /centerless grinding /peeled + slidabrading
Forged - ring /pipe casing /discs /shaft
CHEMICAL COMPOSITION (WEIGHT %)
C (％): 0.04 ~ 0.08
Si (％): ≤ 0.75
Mn (％): ≤ 2.00
P (％)≤: 0.035
S (％)≤: 0.015
Cr (％): 17.0 ~ 19.0
Ni (％): 10.0 ~ 12.0
Mo (％): -
Other (％): N ≤0.11
Si (％): ≤ 0.75
Mn (％): ≤ 2.00
P (％)≤: 0.035
S (％)≤: 0.015
Cr (％): 17.0 ~ 19.0
Ni (％): 10.0 ~ 12.0
Mo (％): -
Other (％): N ≤0.11
MECHANICAL PROPERTIES - HOT WORKING, HEAT TREATMENT AND HARDNESS
Hot forming temperature /℃: 1150～850
Heat treatment temperature /℃ | annealing: -
Heat treatment temperature /℃ | quenching or solution: 1000~1080 air/ oil
Heat treatment temperature /℃ | tempering: 850~950
Heat treatment temperature /℃ | ageing: -
Condition: solution treatment
Mechanical property under room temperature |σb/MPa: 490~ 690
Mechanical property under room temperature |σs≥/MPa: 185
Mechanical property under room temperature |δ5≥(％): 40
Mechanical property under room temperature |Akv(DVM): 85
Heat stability temperature/℃: 650
Non-scale temperature in air /℃: -
MECHANICAL PROPERTY UNDER HIGH TEMPERATURE
Mechanical property above 200℃ σ0.2/MPa，at following temperature /℃|200: 127
Mechanical property above 200℃ σ0.2/MPa，at following temperature /℃|300: 108
Mechanical property above 200℃ σ0.2/MPa，at following temperature /℃|400: 98
Mechanical property above 200℃ σ0.2/MPa，at following temperature /℃|500: 88
Mechanical property above 200℃ σ0.2/MPa，at following temperature /℃|600: 78
Mechanical property above 200℃ σ0.2/MPa，at following temperature /℃|700: 69
Mechanical property above 200℃ σ0.2/MPa，at following temperature /℃|800: -
Mechanical property above 200℃ σ0.2/MPa，at following temperature /℃|300: 108
Mechanical property above 200℃ σ0.2/MPa，at following temperature /℃|400: 98
Mechanical property above 200℃ σ0.2/MPa，at following temperature /℃|500: 88
Mechanical property above 200℃ σ0.2/MPa，at following temperature /℃|600: 78
Mechanical property above 200℃ σ0.2/MPa，at following temperature /℃|700: 69
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: 124
Creep rupture strength /MPa，at following time/h and temperature /℃|10000h|700: 49
Creep rupture strength /MPa，at following time/h and temperature /℃|10000h|800: 36
Creep rupture strength /MPa，at following time/h and temperature /℃|10000h|900: -
Creep rupture strength /MPa，at following time/h and temperature /℃|100000h|600: 77
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: 124
Creep rupture strength /MPa，at following time/h and temperature /℃|10000h|700: 49
Creep rupture strength /MPa，at following time/h and temperature /℃|10000h|800: 36
Creep rupture strength /MPa，at following time/h and temperature /℃|10000h|900: -
Creep rupture strength /MPa，at following time/h and temperature /℃|100000h|600: 77
Creep rupture strength /MPa，at following time/h and temperature /℃|100000h|700: 25
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
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.
PRODUCT PROFILE & FORMS
Round bar / Wire rod (Diameter): 5.5mm to 550mm
Square bar / Flat bar: 3mm to 1000mm
Plate / Sheet steel / Steel strip: 0.1mm 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.
TECHNICAL SALES ASSISTANCE
If you meet further on any technical enquiry. pleased to email or call our resident team of qualified production engineers, Email: sales@ccsteels.com.
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