BS DIN EN 2.4669 Inconel X750 Stainless Steel Bolts | ASTM B637 UNS N07750 Specifications

Werkstoff 2.4669 Inconel X750 Stainless Steel Bolts

2.4669, N07750

2.4669 Fasteners like Bolts are classified under Inconel. Werkstoff 2.4669 Fasteners are internationally known as fasteners manufactured from inconel X750.

Related Products

Inconel Alloy X-750 Bolts Alloy X-750 Fasteners Inconel X-750 Forgings Inconel X-750 Lock Nuts Inconel Alloy X-750 Screws Alloy X-750 Springs Inconel X-750 Stud Bolts Inconel X-750 Washers 2.4669 Washers

Werkstoff 2.4669 Stainless Steel Bolts Properties

Werkstoff 2.4669 Stainless Steel Bolts 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 ... ... ... ...

Werkstoff 2.4669 Stainless Steel Bolts 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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