2.4952, 218, S21800
ASTM A193 Grade B8SA Bolts are manufactured from Nitronic 60 in accordance with ASTM A193 specification. Torqbolt is a prominent A193 gr B8SA Bolt supplier in India.
Astm A193 Grade B8S Class 2 Bolts Astm A193 Grade B8Sa Bolts A194 Grade 8S Nuts Astm A194 Grade 8Sa Nuts
Grade | Description and UNS Designatio | Classes | C | Mn | P | S | Si | Cr | Ni | Mo | Cu | CbF | Ti | V | N |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ASTM A193 Grade B8S, B8SA | S21800 | 1C, 1D | 0.10 | 7.0-9.0 | 0.060 | 0.030 | 3.5-4.5 | 16.0-18.0 | 8.0-9.0 | . . . | . . . | . . . | . . . | . . . | 0.08-0.18 |
Product Analysis VariationB | 0.01 | 0.06 | 0.005 | 0.005 | 0.15 | 0.20 | 0.10 | . . . | . . . | . . . | . . . | . . . | 0.01 |
Grade | Diameter,
in. |
Heat TreatmentB | Tensile Strength,
min, ksi |
Yield Strength, min,
0.2 % offset, ks |
Elongation in 4 D,min | Reduction of Area, min | Hardness,
max |
---|---|---|---|---|---|---|---|
ASTM A193 Grade B8SA Classes 1C | All diameters | carbide solution treated in the finished condition | 95 | 50 | 35 | 55 | 271 HBW or 28 HRC |
Grade Class ,
mm |
Diameter | Heat TreatmentB | Tensile Strength,
min,MPa |
Yield Strength, min,
0.2 % offset, MPa |
Elongation in 4 D,min % | Reduction of Area, min % | Hardness,
max |
---|---|---|---|---|---|---|---|
ASTM A193M Grade B8SA All diameters Classes 1C | All diameters | carbide solution treated in the finished condition | 655 | 345 | 35 | 55 | 271 HBW or 28 HRC |