NCF690
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Specifications NCF690 Datasheet, NCF690 Chemical, NCF690 Properties from Steelmaking, ESR melting, Hot blooming, Hot forging, Hot rolling, Heat treat, Straightening, 100% Ultrasonic test, Cold working or Machined. Technical specifications - JIS G 4901 -1999 / JIS G4902 -1991.We also possess the advanced precision machining equipments for further processing.
MATERIAL TECHNICAL DATA SHEET - JIS NCF690
TECHNICAL SPECIFICATIONS: JIS G4901 -1999, JIS G 4902-1991
OFFICIAL TEST CERTIFICATE: issued by TUV - SGS - BV
MATERIAL CATEGORY: High temperature alloy and corrosion-resistant alloy
CHEMICAL COMPOSITION (WEIGHT %)
C (％): ≤ 0.05
Si (％): ≤ 0.50
Mn (％): ≤ 0.50
P (％) ≤: 0.030
S (％) ≤: 0.015
Cr (％): 27.0 ~ 31.0
Ni (％): ≥ 58.0
Si (％): ≤ 0.50
Mn (％): ≤ 0.50
P (％) ≤: 0.030
S (％) ≤: 0.015
Cr (％): 27.0 ~ 31.0
Ni (％): ≥ 58.0
Cu (％): ≤ 0.50
Al (%): -
Ti (%): -
Fe (%): -
MECHANICAL PROPERTIES, HEAT TREATMENT PRACTICE
Solution treated: -
Annealed: ≥ 900, rapid cooled
Ageing treated: -
Condition: A
Tensile strength, σb/≥ MPa: 590
Yield strenght, σ0.2/≥ MPa: 240
Elongation, δ ≥(％): 30
Hardness | HBW ≤: -
Yield strenght, σ0.2/≥ MPa: 240
Elongation, δ ≥(％): 30
Hardness | HBW ≤: -
Suitable size /mm: 100
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.
Heat treating fixture
Nuclear reactor
Nuclear reactor
Turbine engine parts - mechanical gears, gear shaft, main axis, blade
Mechanical parts - bolt and nut, fastener
Gas turbine, turbine blade
Fuel nozzle
Fuel nozzle
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 DESCRIPTION
The alloy is usually produced by EF + LF + VD + ESR, IFF + AOD + ESR, VIM followed by electroslag refining (ESR) / VAR if necessary for special purpose.
Final heat treatment - solution + age treated or double aged
The alloy is usually produced by EF + LF + VD + ESR, IFF + AOD + ESR, VIM followed by electroslag refining (ESR) / VAR if necessary for special purpose.
Final heat treatment - solution + age treated or double aged
AVAILABLE FORMS AND SHAPES
Round bar (Diameter): 5.5mm to 500mm
Square bar / Flat bar: 3mm to 500mm
Square bar / Flat bar: 3mm to 500mm
Wire rod: 0.10 ~ 18mm
Sheet steel via cold rolled: T0.5 - 5.0 X W600- 1000 X L1000 - 2000mm
Steel strip via cold rolled: T0.1 - 3 X W5.0 - 200mm X C
Sheet steel via cold rolled: T0.5 - 5.0 X W600- 1000 X L1000 - 2000mm
Steel strip via cold rolled: T0.1 - 3 X W5.0 - 200mm X C
Forging piece: 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 our resident team of qualified production engineers, Email us: sales@ccsteels.com.
If you meet further on any technical enquiry, pleased to EMAIL our resident team of qualified production engineers, Email us: sales@ccsteels.com.
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