ASTM A182 F68
ASTM A182 F68 is a forging material specification for 68 grade stainless steel and is used for manufacturing bare forgings or forged and machined products for applications involving high temperature service. Boltport Fasteners offers forged bolts, screws, nuts, studs, threaded rods and similar fasteners or bolting parts in astm a182 f68 specification.
ASTM A182 specification covers requirements such as chemical composition, mechanical properties, heat treatment and other supplementary requirements for 68 stainless steel forgings and forged products.
Chemical Composition
| Identification Symbol | UNS Number | Grade | Elements | Composition % |
|---|---|---|---|---|
| F68 | S32304 | 23 chromium, 4 nickel, with nitrogen |
Carbon | 0.030 max |
| Manganese | 2.50 max | |||
| Phosphorus | 0.040 max | |||
| Sulfur | 0.030 max | |||
| Silicon | 1.00 max | |||
| Nickel | 3.00 - 5.5 | |||
| Chromium | 21.5 - 24.5 | |||
| Molybdenum | 0.05 - 0.60 | |||
| Copper | 0.05 - 0.60 | |||
| Nitrogen | 0.05 - 0.20 |
Mechanical Properties
| Property | Value |
|---|---|
| Tensile Strength, min, ksi [MPa] | 87 [600] |
| Yield Strength, min, ksi [MPa] | 58 [400] |
| Elongation in 2 in. [50mm] or 4D, min, % | 25 |
| Reduction or Area, min, % | -- |
| Brinell Hardness Number, HBW | 290 max |
Fasteners
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Bolts -
Screws -
Stud Bolts -
Nuts -
Threaded Rods -
Pins -
Washers -
Components