N07750 type 3
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Standard specification for precipitation hardening and cold worked nickel alloy bars, forgings and forging stocks for moderate or high temperature service N07750 type 3 datasheet, N07750 type 3 Chemical compositions,B637 N07750 type 3 mechanical properties 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 N07750 type 3
TECHNICAL SPECIFICATION: ASTM B637 - 2011
OFFICIAL TEST CERTIFICATE: issued by TUV - SGS - BV
MATERIAL CATEGORY: Precipitation hardening and cold worked nickel alloy
CHEMICAL COMPOSITION (WEIGHT %)
C (％): ≤ 0.08
Si (％): ≤ 0.50
Mn (％): ≤ 1.00
P (％) ≤: 0.015
S (％) ≤: 0.015
Cr (％): 14.0 ~ 17.0
Co (%): ≤ 1.00
Mo (％): -
Nb/Ta (％): 0.70 ~ 1.20
Ti (%): 2.25 ~ 2.75
Al (%): 0.40 ~ 1.00
Zr (%): -
B (%): -
Fe (%): 5.00 ~ 9.00
Cu (%): ≤ 0.50
Ni (%): 70.0 min.
Ta (%): -
Ni (%): 70.0 min.
Ta (%): -
Nb (%): -
W (%): -
MECHANICAL PROPERTIES UNDER ROOM TEMPERATURE
Condition: Solution + Stabilize + Precipitation harden
W (%): -
MECHANICAL PROPERTIES UNDER ROOM TEMPERATURE
Condition: Solution + Stabilize + Precipitation harden
Heat treatment pratice: Solution treatment 1079 ~ 1121 Deg. hold 1 ~ 2h, air cool
Precipitation hardening treatment, 704+/-14 Deg, hold 20h, +4 -0h, air cool
Tensile strength,σb/≥ MPa: 1130 ~ 1276
Tensile strength,σb/≥ MPa: 1130 ~ 1276
Yield strength, σ0.2/≥ MPa: 689 ~ 896
Elongation, δ ≥(％): 20.0
Reduction of area, ф ≥ (％): 20.0
Hardness | HBW: 267 ~ 363
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 ≥(％): 20.0
Reduction of area, ф ≥ (％): 20.0
Hardness | HBW: 267 ~ 363
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.
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