ASTM B408 UNS N08800 is standard material specification for Inconel 800 / Alloy 800 bars and rods in hot-worked or cold-worked finished. Find requirement for UNS N08800 bar / rod chemical composition, mechanical properties, straightness, diameter, length and machining allowance, manufactured to ASTM B408 specification. Boltport offers bolts, screws, studs, threaded rods, nuts, washers and other bar stock fasteners to ASTM B408 UNS N08800 material specification.

Chemical Composition

UNS Designation Alloy Elements Composition %
N08800 Inconel 800 Nickel 30.00 - 35.00
Chromium 19.00 - 23.00
Iron 39.5 min
Manganese 1.50 max
Carbon 0.10 max
Copper 0.75 max
Silicon 1.00 max
Sulfur 0.015 max
Aluminum 0.15 - 0.60
Titanium 0.15 - 0.60

Mechanical Properties

Property Value
Condition Hot worked, as hot worked Cold and hot worked, annealed Forging quality
Tensile Strength, min, ksi [MPa] 80 [550] 75 [515] Note B
Yield Strength, min, ksi [MPa] 35 [240] 30 [205] Note B
Elongation in 2 in. [50mm] or 4D, min, % 25 [Note A] 30 Note B

Notes:
A: For hot-worked as-hot-worked rectangular bar 5⁄16 in. (7.94 mm) and under in thickness the elongation shall be 20 % min.
B: Forging quality is furnished to chemical requirements and surface inspection only. No tensile properties are required.

Fasteners

  • AISI 4140 Bolts
    Bolts
  • AISI 4140 Screws
    Screws
  • AISI 4140 Stud Bolts
    Studs
  • AISI 4140 Nuts
    Nuts
  • AISI 4140 Threaded Rods
    Threaded Rods
  • AISI 4140 Pins
    Pins
  • AISI 4140 Washers
    Washers
  • AISI 4140 Components
    Components