Alloy 718 is a high yield, corrosion resistant alloy from Broder Metals Group. Typical applications range from engine parts to fasteners within aerospace and oil and gas markets.
API 6A 718 (December 2009)
NACE MR0175 / ISO 15156-3
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Broder Metals Group stocks Alloy 718 in sizes from 1/2″ (12.7 mm) to 4″ (101.6 mm) backed up by key sizes above this core range. Our stock is bought to API 6A 718 and NACE and as such meets most application uses for the oil industry to maximise resistance to stress corrosion cracking or treated to give maximum strength and high creep resistance and weldability.
Alloy 718 Chemical Composition
Alloy 718 Mechanical Properties
|Yield Strength (0.2% offset) range||120 - 145||827 - 1000||-|
|Elongation in 2" (or 50mm) or 4D, min||-||-||20|
|Reduction of area min||-||-||35*|
|Hardness (Rockwell)||-||-||-||32 - 40 HRC 298 - 363 HBW|
|Grain size (ASTM E112)||2 or finer|
|Charpy V Notch||Test Temperature: - 60°c < 76.2 mm - longitudinal, min single 61 J, Average 68 J
76.2 - 254 mm - transverse, min single 47 J
For more technical information download our 718 information sheet here
Alloy 718 is prevalent within oil and gas and aerospace markets.
Ideal applications are:
- within oil tools
- gate valves
- choke stems
- engine parts
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