Alloy 718
2020-01-10 13:05:49 Origin： Remark：0 Click：
Alloy 718 Forging Steels, Alloy 718 Ex-stock Suppliers & Manufacturers, Alloy 718 Forge Bar Plate Machined, Alloy 718 Alloy exporter, from Melting, ESR & VAR technique, Hot blooming, Hot forging, Hot rolling, Heat treatment, Straightening, 100% Ultrasonic flaw detection test,
MATERIAL DATA SHEET - Alloy 718
TECHNICAL SPECIFICATION: AMS 5663
OFFICIAL TEST CERTIFICATE: issued by TUV - SGS - BV
MATERIAL CATEGORY: Precipitation hardened and cold worked nickel alloy
CHEMICAL COMPOSITION (WEIGHT %)
C (％): ≤ 0.08
Si (％): ≤ 0.35
Mn (％): ≤ 0.35
P (％) ≤: 0.015
S (％) ≤: 0.015
Cr (％): 17.0 ~ 21.0
Co (%): ≤ 1.00
Mo (％): 2.80 ~ 3.30
Nb/Ta (％): 4.75 ~ 5.50
Ti (%): 0.65 ~ 1.15
Al (%): 0.20 ~ 0.80
Zr (%): -
B (%): ≤ 0.006
Fe (%): Remainder
Cu (%): ≤ 0.30
Ni (%): 50.0 ~ 55.0
Ta (%): -
Ni (%): 50.0 ~ 55.0
Ta (%): -
Nb (%): -
W (%): -
MECHANICAL PROPERTIES UNDER ROOM TEMP.
Condition: Solution + Stabilize + Precipitation hardening
W (%): -
MECHANICAL PROPERTIES UNDER ROOM TEMP.
Condition: Solution + Stabilize + Precipitation hardening
Heat treatment pratice
Solution treatment 924 ~ 1010 Deg. hold 1/2h min., cool at rate equivalent to air cool or faster
Precipitation hardening treatment, 718+/-14 Deg, hold at temperature for 8h, furnace cool to 621+/-14 Deg., hold until total precipitation heat treatment time has reached 18h, air cool
Tensile strength,σb/≥ MPa: 1275
Tensile strength,σb/≥ MPa: 1275
Yield strength, σ0.2/≥ MPa: 1034
Elongation, δ ≥(％): 12.0
Reduction of area, ф ≥ (％): 15.0
Hardness | HBW: 331 min.
STRESS RUPTURE REQUIREMENT
Test temperature: 649 Deg.
Stress /MPa: 690
Time to rupture: 23h
Elongtation, (%): 5.0
FORMS AND SHAPES & MELTING PROCESS
Elongation, δ ≥(％): 12.0
Reduction of area, ф ≥ (％): 15.0
Hardness | HBW: 331 min.
STRESS RUPTURE REQUIREMENT
Test temperature: 649 Deg.
Stress /MPa: 690
Time to rupture: 23h
Elongtation, (%): 5.0
FORMS AND SHAPES & MELTING PROCESS
Melting - VIM + ESR & VAR
Round bar (Diameter): 5.5mm to 550mm
Square bar / Flat bar: 10mm to 700mm
Forging piece: stepped shafts with flanks / discs /tubes /slugs /donuts /cubes /other different shapes based on OEM.
Round bar (Diameter): 5.5mm to 550mm
Square bar / Flat bar: 10mm to 700mm
Forging piece: stepped shafts with flanks / discs /tubes /slugs /donuts /cubes /other different shapes based on OEM.
TECHNICAL SALES ASSISTANCE
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