B637 N07752 type 1
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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 B637 Gr.N07752 datasheet, B637 N07752 Chemical compositions, 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 N07752 type 1
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 (％): 0.02 ~ 0.06
Si (％): ≤ 0.50
Mn (％): ≤ 1.00
P (％) ≤: 0.008
S (％) ≤: 0.005
Cr (％): 14.0 ~ 17.5
Co (%): ≤ 0.05
Mo (％): -
Nb/Ta (％): 0.70 ~ 1.20
Ti (%): 2.25 ~ 2.75
Al (%): 0.40 ~ 1.00
B (%): ≤ 0.007
Fe (%): 5.00 ~ 9.00
Cu (%): ≤ 0.50
Zr (%): ≤ 0.05
V (%): ≤ 0.10
V (%): ≤ 0.10
Ni (%): 70.0 min.
MECHANICAL PROPERTIES UNDER ROOM TEMPERATURE
Condition: Solution + Precipitation harden
MECHANICAL PROPERTIES UNDER ROOM TEMPERATURE
Condition: Solution + Precipitation harden
Heat treatment pratice: Solution treatment 1038+/-14 Deg. hold 1 ~ 2h, cool by water or oil quenching.
Precipitation hardening treatment, 715+/-14 Deg, hold 20h, +2,-0h, air cool.
Tensile strength,σb/≥ MPa: 1103 ~ 1276
Tensile strength,σb/≥ MPa: 1103 ~ 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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