Inconel 718 Washers Manufacturer & Supplier India

Inconel 718 Washers

B637 N07718, 2.4668, NICR19NBMO, N07718

Inconel 718 Washers are precipitation hardening fasteners manufactured from alloy containing nickel as base element containing chromium and Molybdenum with additions of aluminium, titanium and cobalt. Inconel 718 Fasteners show exceptionally high yield, tensile and creep-rupture properties at temperatures up to 1300°F. TorqBolt is an eminent Inconel 718 fastener supplier in India.

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Inconel 718 Properties

Inconel 718 Chemical Requirements

Composition Limits, % Element
UNS C Mn Si P S Cr Co Mo Nb + Ta Ti Al Zr B Fe Cu Ni Ta Nb W V
UNS N07718 (Formerly Grade 718) 0.08 max 0.35 max 0.35 max 0.015 max 0.015 max 17.0-21.0 1.0 maxA 2.80-3.30 4.75-5.50 0.65-1.15 0.20-0.80 ... 0.006 max remainderB 0.30 max 50.0-55.0 ... ... ... ...

Inconel 718 Mechanical Requirements

Tensile and Hardness Requirements

UNS Heat Treatment Tensile Strength,
min, psi
(MPa)
Yield Strength
(0.2 % offset), min,
psi (MPa)
Elongation in 2
in. (50 mm) or 4D,
min, %
Reduction of Area,
min, %
Brinell or
(Rockwell C)
Hardness
ASTM B637 UNS N07718 solution + precipitation harden 185 000 (1275) 150 000 (1034) 12 (6)E 15 (8)E 331 min (36 Rc min)

Stress Rupture Requirements

UNS Heat Treatment Test Temperature,
°F (°C)
Stress, psi (MPa)B Minimum Hours Elongation in 2 in.
or 50 mm (or 4D),
min, %
ASTM B637 UNS N07718 solution + precipitation harden 1200 (649) 100 000 (690) 23 5

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