Alloy 718
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Alloy 718 Wholesalers Steels, Alloy 718 Ex-stock Suppliers & Manufacturers, Alloy 718 Forge Bar Plate Machined, Alloy 718 Alloy exporter, from Melting, ESR & VAR technique
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 (mass weight - %)
Carbon, C (％): ≤ 0.08
Silicon, Si (％): ≤ 0.35
Manganese, Mn (％): ≤ 0.35
Phosphorus, P (％) ≤: 0.015
Sulfur, S (％) ≤: 0.015
Chromium, Cr (％): 17.0 ~ 21.0
Cobalt, Co (%): ≤ 1.00
Molybdenum, Mo (％): 2.80 ~ 3.30
Niobium, Nb/Ta (％): 4.75 ~ 5.50
Titanium, Ti (%): 0.65 ~ 1.15
Aluminum, Al (%): 0.20 ~ 0.80
Zr (%): -
Boron, B (%): ≤ 0.006
Ferrum, Fe (%): Remainder
Copper, Cu (%): ≤ 0.30
Nickel, Ni (%): 50.0 ~ 55.0
Ta (%): -
Nickel, Ni (%): 50.0 ~ 55.0
Ta (%): -
Niobium, Nb (%): -
Tungsten, W (%): -
MECHANICAL PROPERTIES UNDER ROOM TEMP.
Condition: Solution + Stabilize + Precipitation hardening
Tungsten, 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 DIMENSIONS
Round bar (Diameter): 5.5mm to 550mm
Square bar / Flat bar: 10mm to 700mm
Forging piece: stepped shafts, and other different shapes based on OEM.
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 DIMENSIONS
Round bar (Diameter): 5.5mm to 550mm
Square bar / Flat bar: 10mm to 700mm
Forging piece: stepped shafts, and other different shapes based on OEM.
TECHNICAL SALES ASSISTANCE
If you meet further on any technical enquiry. pleased to EMAIL (sales@ccsteels.com) our resident team of qualified production engineers.
If you meet further on any technical enquiry. pleased to EMAIL (sales@ccsteels.com) our resident team of qualified production engineers.
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