ASTM A182 F55
ASTM A182 F55 is a forging material specification for 55 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 f55 specification.
ASTM A182 specification covers requirements such as chemical composition, mechanical properties, heat treatment and other supplementary requirements for 55 stainless steel forgings and forged products.
Chemical Composition
| Identification Symbol | UNS Number | Grade | Elements | Composition % |
|---|---|---|---|---|
| F55 | S32760 | 25 chromium, 7 nickel, 3.5 molybdenum, modified with nitrogen and tungsten |
Carbon | 0.030 max |
| Manganese | 1.00 max | |||
| Phosphorus | 0.030 max | |||
| Sulfur | 0.010 max | |||
| Silicon | 1.00 max | |||
| Nickel | 6.00 - 8.00 | |||
| Chromium | 24.00 - 26.00 | |||
| Molybdenum | 3.00 - 4.00 | |||
| Copper | 0.50 - 1.00 | |||
| Nitrogen | 0.20 - 0.30 | |||
| Tungsten | 0.50 - 1.00 |
Mechanical Properties
| Property | Value |
|---|---|
| Tensile Strength, min, ksi [MPa] | 109-130 [750-895] |
| Yield Strength, min, ksi [MPa] | 80 [550] |
| Elongation in 2 in. [50mm] or 4D, min, % | 25 |
| Reduction or Area, min, % | 45 |
| Brinell Hardness Number, HBW | -- |
Fasteners
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Bolts -
Screws -
Stud Bolts -
Nuts -
Threaded Rods -
Pins -
Washers -
Components