Inconel X-750 Nuts | UNS N07750 Nuts Manufacturer & Supplier India

Inconel X-750 Nuts

2.4669, N07750

Inconel X-750 Nuts are fasteners manufactured from alloy containing nickel and cobalt as base element containing chromium with additions of titanium and aluminium. Inconel X-750 Fasteners have highly resistant to chemical corrosion and oxidation and has high stress-rupture strength and low creep rates under high stresses at temperatures up to 1500°F (816°C). TorqBolt is an eminent Inconel X-750 fastener supplier in India.

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Alloy x750 Hex Nuts Properties

Inconel X-750 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 N07750 (Formerly Grade 688) 0.08 max 1.00 max 0.50 max ... 0.01 max 14.00-17.00 1.00 maxA ... 0.70-1.20 2.25-2.75 0.40-1.00 ... ... 5.00-9.00 0.50 max 70.00 min ... ... ... ...

Inconel X-750 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 N07750 Type 1 solution at 2100°F (1149°C) + stabilize + precipitation harden 140 000 (965) 90 000 (620) 8 ... 262 min (26 Rc min)
ASTM B637 UNS N07750 Type 2C solution at 1800°F (982°C) + precipitation harden 170 000 (1170) 115 000 (790) 18 18 302 to 363 (32-40 Rc)
ASTM B637 UNS N07750 Type 2D solution at 1800°F (982°C) + precipitation harden 170 000 (1170) 115 000 (790) 15 (10)E 15 (12)E 302 to 363 (32-40 Rc)
ASTM B637 UNS N07750 Type 3 solution anneal at 2000°F (1093°C) + precipitation harden 160 000 (1103), min 185 000 (1276), max 100 000 (689), min 130 000 (896), max 20 20 267 to 363, Bm (27-40, Rc)

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 N07750 Type 1 solution at 2100°F (1149°C) + stabilize + precipitation harden 1350 (732) 45 000 (310) 100 5 (3 if hours exceed 136)

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