ASTM A276 / A276M Type 431

ASTM A276 Type 431 is a material grade specification for cold-finished or hot-finished bars in 431 stainless steel, available in form of rounds, square, hexagons and other hot rolled extruded shapes. Ferrobend offers 431 bars, shafts, angle, channel, beam profiles, bolts, studs, screws, nuts, threaded rods, pins and other bar stock components to astm a276 type 431 specification.

ASTM A276 specification covers requirements such as chemical composition, mechanical properties, heat treatment and other supplementary requirements for 431 stainless steel round bars, square bars, hexagon bars and other extruded shapes.

Chemical Composition

Grade Symbol UNS Number Elements Composition, %
Type 431 S43100 Carbon 0.20 max
Manganese 1.00 max
Phosphorus 0.040 max
Sulfur 0.030 max
Silicon 1.00 max
Chromium 15.00 - 17.00
Nickel 1.25 - 2.50

Mechanical Properties

Property Value
Finish Hot-Finished & Cold Finished
Tensile Strength, min, ksi [MPa] ....
Yield Strength, min, ksi [MPa] ....
Elongation in 2 in. [50mm] or 4D, min, % ....
Reduction or Area, min, % ....
Brinell Hardness Number, HBW 285