B637 Gr.N09925
2016-11-07 14:55:44 Origin： Remark：0 Click：
Forgings N09925 Inventory, Ex-stock N09925 Wire, Round bar N09925 Plate Sheet property from Steelmaking,ESR melted, Blooming, Forging, Hot rolling, Heat treatment, Straightening,Ultrasonic test,Cold working or Machined. All of these materials conform to Military standard, nuclear power. Technical specification ASTM B637 - 2011
TECHNICAL SPECIFICATION - ASTM B637 GRADE UNS N09925
TECHNICAL SPECIFICATION: ASTM B637 - 2011
OFFICIAL TEST CERTIFICATE: issued by TUV - SGS - BV
MATERIAL CATEGORY: Precipitation hardening and cold worked nickel alloy
CHEMICAL COMPOSITION (Mass weight - %)
C (％): ≤ 0.030
Si (％): ≤ 0.50
Mn (％): ≤ 1.00
P (％) ≤: 0.030
S (％) ≤: 0.030
Cr (％): 19.5 ~ 22.5
Co (%):
Mo (％): 2.50 ~ 3.50
Nb/Ta (％): ≤ 0.50 (Nb only)
Ti (%): 1.90 ~ 2.40
Al (%): 0.10 ~ 0.50
B (%): -
Fe (%): 22.0 min.
Cu (%): 1.50 ~ 3.00
Zr (%): -
V (%): -
V (%): -
Ni (%): 42.0 ~ 46.0
MECHANICAL PROPERTIES UNDER ROOM TEMPERATURE
Condition: Solution + Precipitation harden
MECHANICAL PROPERTIES UNDER ROOM TEMPERATURE
Condition: Solution + Precipitation harden
Heat treatment pratice: Solution treatment 996 ~ 1024 Deg. hold 1/2h min. and 4h max. cool at rate equivalent to air cool or faster.
Precipitation hardening treatment, 740+/-14 Deg, hold at temperatue for 6 ~ 9h, furnace cool to 621+/114 Deg. hold until total precipitation heat treatment time has reached 18h, air cool or faster.
Tensile strength,σb/≥ MPa: 965
Tensile strength,σb/≥ MPa: 965
Yield strength, σ0.2/≥ MPa: 724
Elongation, δ ≥(％): 18.0
Reduction of area, ф ≥ (％): 25.0
Hardness | HBW: 38HRC max.
TYPICAL APPLICATIONS
Starndard specification for high-temperature bolting, with expansion coefficients comparable to austenitic stainless steel with yield strength ranging from 345 to 827 MPa for use in high-temperature service such as fasteners for pressure vessel and valve flanges.
Nuclear reactor
Turbine engine parts - mechanical gears, gear shaft, main axis, blade
Mechanical parts - bolt and nut, fastener
Gas turbine blade
Fuel nozzle
These materials must stand up to high heat, extreme oxidation potential and recycling.
FORMS AND SHAPES
Round bar (Diameter): 2.00mm to 500mm
Square bar / Flat bar: 3mm to 500mm
Forging piece: stepped shafts with flanks / discs /tubes /slugs /donuts /cubes /other different shapes based on OEM.
Elongation, δ ≥(％): 18.0
Reduction of area, ф ≥ (％): 25.0
Hardness | HBW: 38HRC max.
TYPICAL APPLICATIONS
Starndard specification for high-temperature bolting, with expansion coefficients comparable to austenitic stainless steel with yield strength ranging from 345 to 827 MPa for use in high-temperature service such as fasteners for pressure vessel and valve flanges.
Nuclear reactor
Turbine engine parts - mechanical gears, gear shaft, main axis, blade
Mechanical parts - bolt and nut, fastener
Gas turbine blade
Fuel nozzle
These materials must stand up to high heat, extreme oxidation potential and recycling.
FORMS AND SHAPES
Round bar (Diameter): 2.00mm to 500mm
Square bar / Flat bar: 3mm to 500mm
Forging piece: stepped shafts with flanks / discs /tubes /slugs /donuts /cubes /other different shapes based on OEM.
ADVANTAGE & SUPERIOR SERVICE
17+ years Focus On Special Steel Manufacturing and processing.
Stock over 60 grades with a competitive price, along with cutting service for specific requirement.
Customizing special material is welcome.
CNC saw cutting.
Marking by stamping or printing.
Third party inspection service.
Export packing / Export documents.
Transport by Track, Sea, Courier (FedEx, UPS, DHL) and Air Cargo.
We closely cooperate with the professional inspection partners to strictly control the quality and improve the quality manage system, and guarantee the goods delivery each time. It is proved that we are worth of trusting and will be the strategic partner of the supplying chains in the special steels field.
TECHNICAL SALES ASSISTANCE
If you meet further on any technical enquiry or help, pleased to EMAIL our resident team of qualified production engineers, Email:sales@ccsteels.com
17+ years Focus On Special Steel Manufacturing and processing.
Stock over 60 grades with a competitive price, along with cutting service for specific requirement.
Customizing special material is welcome.
CNC saw cutting.
Marking by stamping or printing.
Third party inspection service.
Export packing / Export documents.
Transport by Track, Sea, Courier (FedEx, UPS, DHL) and Air Cargo.
We closely cooperate with the professional inspection partners to strictly control the quality and improve the quality manage system, and guarantee the goods delivery each time. It is proved that we are worth of trusting and will be the strategic partner of the supplying chains in the special steels field.
TECHNICAL SALES ASSISTANCE
If you meet further on any technical enquiry or help, pleased to EMAIL our resident team of qualified production engineers, Email:sales@ccsteels.com
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