1.4311, 304LN, S30453, X2CRNIN18-10
A320 Grade B8LNA Stud Bolts are manufactured from 304 Stainless Steel in accordance with ASTM A320 specification. Torqbolt is a prominent A320 gr B8LNA stud bolt supplier in India.
304N Stainless Steel Bolts 304N Stainless Fasteners 304N SS Forgings 304N Stainless Steel Nuts Type 304N Stainless Screws Type 304N Stainless Threaded Rod 304N Stainless Steel Washers Astm A193 Grade B8N Class 2 Bolts Astm A193 Grade B8Na Studs A194 Grade 8N Nuts Astm A194 Grade 8Na Nuts Astm A320 Grade B8Ln Bolts Astm A320 Grade B8Lna Bolts
| Grade Symbol | UNS Designation | C, max | Mn, max | P, max | S, max | Si, max | Ni | Cr | Mo | Se | Ti | N | Nb E + Ta | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ASTM A320 B8LNA | S30453 | Range,% | 0.030 | 2.00 | 0.045 | 0.030 | 1.00 | 8.0-11 | 18.0-20.0 | ... | ... | ... | 0.10-0.16 | ... |
| Grade and Class | Diameter, in. [mm] | Heat Treatment | Minimum Tempering Temperature, °F [°C] | Tensile Strength, min, ksi [MPa] | Yield Strength, min, ksi [MPa] (0.2 % offset) | Elongation in 2 in. or 50 mm, min, % | Reduction of Area, min, % | Hardness, max |
|---|---|---|---|---|---|---|---|---|
| ASTM A320 B8LNA Class 1A | All diameters | carbide solution treated in the finished condition | ... | 75 [515] | 30 [205] | 30 | 50 | 192 HBW or 90 HRB |