ASTM A182 F347 LN
ASTM A182 F347 LN is a forging material specification for 347LN 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 f347 LN specification.
ASTM A182 specification covers requirements such as chemical composition, mechanical properties, heat treatment and other supplementary requirements for 347LN stainless steel forgings and forged products.
Chemical Composition
| Identification Symbol | UNS Number | Grade | Elements | Composition % |
|---|---|---|---|---|
| F347 LN | S34751 | 18 chromium, 8 nickel modified with columbium and nitrogen 347LN |
Carbon | 0.005 - 0.020 |
| Manganese | 2.00 max | |||
| Phosphorus | 0.045 max | |||
| Sulfur | 0.030 max | |||
| Silicon | 1.00 max | |||
| Nickel | 9.00 - 13.00 | |||
| Chromium | 17.00 - 19.00 | |||
| Columbiun | 0.20 - 0.50 | |||
| Nitrogen | 0.06 - 0.10 |
Mechanical Properties
| Property | Value |
|---|---|
| Tensile Strength, min, ksi [MPa] | 75 [515] |
| Yield Strength, min, ksi [MPa] | 30 [205] |
| Elongation in 2 in. [50mm] or 4D, min, % | 30 |
| Reduction or Area, min, % | 50 |
| Brinell Hardness Number, HBW | -- |
Fasteners
-
Bolts -
Screws -
Stud Bolts -
Nuts -
Threaded Rods -
Pins -
Washers -
Components