ASTM A276 / A276M Type 304L
ASTM A276 Type 304L is a material grade specification for cold-finished or hot-finished bars in 304L stainless steel, available in form of rounds, square, hexagons and other hot rolled extruded shapes. Ferrobend offers 304L bars, shafts, angle, channel, beam profiles, bolts, studs, screws, nuts, threaded rods, pins and other bar stock components to astm a276 type 304L specification.
ASTM A276 specification covers requirements such as chemical composition, mechanical properties, heat treatment and other supplementary requirements for 304L stainless steel round bars, square bars, hexagon bars and other extruded shapes.
Chemical Composition
| Grade Symbol | UNS Number | Elements | Composition, % |
|---|---|---|---|
| Type 304L | S30403 | Carbon | 0.030 max |
| Manganese | 2.00 max | ||
| Phosphorus | 0.045 max | ||
| Sulfur | 0.030 max | ||
| Silicon | 1.00 max | ||
| Chromium | 18.00 - 20.00 | ||
| Nickel | 8.00 - 12.00 |
Mechanical Properties
| Property | Value | ||
|---|---|---|---|
| Condition | A | ||
| Finish | Hot-Finished | Cold Finished | |
| Diameter or Thickness,in. (mm) | All | up to 1⁄2 (12.70) incl. | over 1⁄2 (12.70) |
| Tensile Strength, min, ksi [MPa] | 70 [485] | 90 [620] | 70 [485] |
| Yield Strength, min, ksi [MPa] | 25 [170] | 45 [310] | 25 [170] |
| Elongation in 2 in. [50mm] or 4D, min, % | 40 | 30 | 30 |
| Reduction or Area, min, % | 50 | 40 | 40 |
| Brinell Hardness Number, HBW | -- | -- | -- |
Mechanical Properties
| Property | Value | ||||
|---|---|---|---|---|---|
| Condition | B | ||||
| Finish | Cold Finished | ||||
|
Diameter or Thickness, in. (mm) |
up to 3⁄4 (19.05) incl |
over 3⁄4 (19.05) to 1 (25.40) |
over 1 (25.40) to 11⁄4 (31.75) |
over 11⁄4 (31.75) to 11⁄2 (38.10) |
over 11⁄2 (38.10) to 13⁄4 (44.45) |
| Tensile Strength, min, ksi [MPa] | 125 [860] | 115 [795] | 105 [725] | 100 [690] | 95 [655] |
| Yield Strength, min, ksi [MPa] | 100 [690] | 80 [550] | 65 [450] | 50 [345] | 45 [310] |
| Elongation in 2 in. [50mm] or 4D, min, % | 12 | 15 | 20 | 24 | 28 |
| Reduction or Area, min, % | 35 | 35 | 35 | 45 | 45 |
| Brinell Hardness Number, HBW | -- | -- | -- | -- | -- |
Mechanical Properties
| Property | Value | ||
|---|---|---|---|
| Condition | S | ||
| Finish | Cold Finished | ||
| Diameter or Thickness,in. (mm) | up to 2 (50.8) incl |
over 2 to 21⁄2 (50.8 to 63.5) incl |
over 21⁄2 to 3 (63.5 to 76.2) incl |
| Tensile Strength, min, ksi [MPa] | 95 [650] | 90 [620] | 80 [550] |
| Yield Strength, min, ksi [MPa] | 75 [515] | 65 [450] | 55 [380] |
| Elongation in 2 in. [50mm] or 4D, min, % | 25 | 30 | 30 |
| Reduction or Area, min, % | 40 | 40 | 40 |
| Brinell Hardness Number, HBW | -- | -- | -- |
