ASTM A276 / A276M Type 429

ASTM A276 Type 429 is a material grade specification for cold-finished or hot-finished bars in 429 stainless steel, available in form of rounds, square, hexagons and other hot rolled extruded shapes. Ferrobend offers 429 bars, shafts, angle, channel, beam profiles, bolts, studs, screws, nuts, threaded rods, pins and other bar stock components to astm a276 type 429 specification.

ASTM A276 specification covers requirements such as chemical composition, mechanical properties, heat treatment and other supplementary requirements for 429 stainless steel round bars, square bars, hexagon bars and other extruded shapes.

Chemical Composition

Grade Symbol UNS Number Elements Composition, %
Type 429 S42900 Carbon 0.15 min
Manganese 1.00 max
Phosphorus 0.040 max
Sulfur 0.030 max
Silicon 1.00 max
Chromium 12.00 - 14.00

Mechanical Properties

Property Value
Finish Hot-Finished Cold Finished
Tensile Strength, min, ksi [MPa] 70 [480] 70 [480]
Yield Strength, min, ksi [MPa] 40 [275] 40 [275]
Elongation in 2 in. [50mm] or 4D, min, % 20 16
Reduction or Area, min, % 45 45
Brinell Hardness Number, HBW .... ....