ASTM A276 / A276M UNS N08811

ASTM A276 UNS N08811 is a material grade specification for cold-finished or hot-finished bars in N08811 stainless steel, available in form of rounds, square, hexagons and other hot rolled extruded shapes. Ferrobend uses N08811 bar stock to ASTM A276 specifications for manufacturing stainless steel N08811 bolts, nuts, screws, studs, threaded rods, other fasteners and bar stock components for general engineering purposes.

ASTM A276 specification covers requirements such as chemical composition, mechanical properties, heat treatment and other supplementary requirements for N08811 stainless steel round bars, square bars, hexagon bars and other extruded shapes.

Chemical Composition

Identification Symbol UNS Number Elements Composition %
... N08811 Carbon 0.06 - 0.10
Manganese 1.50 max
Phosphorus 0.045 max
Sulfur 0.015 max
Silicon 1.00 max
Chromium 19.00 - 23.00
Nickel 30.0 - 35.0
Iron 39.5 min
Copper 0.75 max
Aluminum 0.25 - 0.60
Titanium 0.25 - 0.60

Mechanical Properties

Property Value
Finish Hot-Finished & Cold Finished
Tensile Strength, min, ksi [MPa] 65 [450]
Yield Strength, min, ksi [MPa] 25 [170]
Elongation in 2 in. [50mm] or 4D, min, % 30
Reduction or Area, min, % --
Brinell Hardness Number, HBW 192