B637 Grade 80A
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Alloy 80A datasheet, ASTM B637 G.80A Chemical, B637 Grade 80A Property Steelmaking, ESR melted, Blooming, Hot 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 80A
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 (％): ≤ 0.10
Si (％): ≤ 1.00
Mn (％): ≤ 1.00
P (％) ≤: 0.015
S (％) ≤: 0.015
Cr (％): 18.0 ~ 21.0
Co (%): -
Mo (％): -
Nb/Ta (％): -
Ti (%): 1.80 ~ 2.70
Al (%): 0.50 ~ 1.80
B (%): -
Fe (%): 3.00 max.
Cu (%): -
Zr (%): -
V (%): -
V (%): -
Ni (%): Remainder
MECHANICAL PROPERTIES UNDER ROOM TEMPERATURE
Condition: Solution + Stabilize + Precipitation harden
MECHANICAL PROPERTIES UNDER ROOM TEMPERATURE
Condition: Solution + Stabilize + Precipitation harden
Heat treatment pratice: Solution treatment 1066+/-14 Deg. hold 8h., air cool
Stabilizing treatment 849+/-14 Deg. hold 20h., air cool
Precipitation hardening treatment, 699+/-14 Deg, hold 16h, air cool
Tensile strength,σb/≥ MPa: 930
Tensile strength,σb/≥ MPa: 930
Yield strength, σ0.2/≥ MPa: 620
Elongation, δ ≥(％): 20.0
Reduction of area, ф ≥ (％): -
Hardness | HBW: -
STRESS RUPTURE REQUIREMENT
Test temperature: 760 Deg.
Stress /MPa: 325
Time to rupture: 23h
Elongtation, (%): 3.5
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 based on OEM.
Elongation, δ ≥(％): 20.0
Reduction of area, ф ≥ (％): -
Hardness | HBW: -
STRESS RUPTURE REQUIREMENT
Test temperature: 760 Deg.
Stress /MPa: 325
Time to rupture: 23h
Elongtation, (%): 3.5
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 based on OEM.
TECHNICAL SALES ASSISTANCE
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