ASTM A276 / A276M UNS S41425

ASTM A276 UNS S41425 is a material grade specification for cold-finished or hot-finished bars in S41425 stainless steel, available in form of rounds, square, hexagons and other hot rolled extruded shapes. Ferrobend uses S41425 bar stock to ASTM A276 specifications for manufacturing stainless steel S41425 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 S41425 stainless steel round bars, square bars, hexagon bars and other extruded shapes.

Chemical Composition

Identification Symbol UNS Number Elements Composition %
... S41425 Carbon 0.05 max
Manganese 0.50 - 1.00
Phosphorus 0.020 max
Sulfur 0.005 max
Silicon 0.50 max
Chromium 12.00 - 15.00
Nickel 4.00 - 7.00
Molybdenum 1.50 - 2.00
Nitrogen 0.06 - 0.12
Copper 0.30 max

Mechanical Properties

Property Value
Finish Hot-Finished
Tensile Strength, min, ksi [MPa] 120 [825]
Yield Strength, min, ksi [MPa] 95 [655]
Elongation in 2 in. [50mm] or 4D, min, % 15
Reduction or Area, min, % 45
Brinell Hardness Number, HBW 321