ASTM A276 / A276M Type 309S
ASTM A276 Type 309S is a material grade specification for cold-finished or hot-finished bars in 309S stainless steel, available in form of rounds, square, hexagons and other hot rolled extruded shapes. Ferrobend offers 309S bars, shafts, angle, channel, beam profiles, bolts, studs, screws, nuts, threaded rods, pins and other bar stock components to astm a276 type 309S specification.
ASTM A276 specification covers requirements such as chemical composition, mechanical properties, heat treatment and other supplementary requirements for 309S stainless steel round bars, square bars, hexagon bars and other extruded shapes.
Chemical Composition
| Grade Symbol | UNS Number | Elements | Composition, % |
|---|---|---|---|
| Type 309S | S30908 | Carbon | 0.08 max |
| Manganese | 2.00 max | ||
| Phosphorus | 0.045 max | ||
| Sulfur | 0.030 max | ||
| Silicon | 1.00 max | ||
| Chromium | 22.00 - 24.00 | ||
| Nickel | 12.00 - 15.00 |
Mechanical Properties
| Property | Value |
|---|---|
| Finish | Hot-Finished & Cold Finished |
| Tensile Strength, min, ksi [MPa] | 75 [515] |
| Yield Strength, min, ksi [MPa] | 30 [205] |
| Elongation in 2 in. [50mm] or 4D, min, % | 40 |
| Reduction or Area, min, % | 50 |
| Brinell Hardness Number, HBW | .... |
