316S31, BS2347, 1.4401, 316, S31600, X5CRNIMO17-12-2
A320 Grade B8M Stud Bolts are manufactured from 316 Stainless Steel in accordance with ASTM A320 specification. Torqbolt is a prominent A320 gr B8M stud bolt supplier in India.
Type 316 Stainless Steel Bolts 316 SS Fasteners 316 SS Forgings Type 316 Stainless Steel Nuts 316 Stainless Steel Screws 316 Stainless Springs 316 Stainless Steel Threaded Rod 316 SS Washers A4 70 Hex Bolts A4 80 Stud Bolts Astm A193 Grade B8M Stud Bolts Astm A193 Grade B8M2 Stud Bolts Astm A193 Grade B8M3 Class 1 Bolts Astm A193 Grade B8Ma Bolts Astm A194 Grade 8M Heavy Hex Nuts Astm A194 Grade 8Ma Hex Nuts Astm A320 Grade B8M Class 1 Bolts Astm A320 Grade B8Ma Bolts Astm F594G Stainless Steel Nuts Astm F594 Type 316 Nuts Astm F593 Type 316 Screws Astm F593 Type 316 Screws 1.4401 Threaded Rod
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 B8M | S31600(316) | Range,% | 0.08 | 2.00 | 0.045 | 0.030, max | 1.00 | 10.0 - 14.0 | 16.0 - 18.0 | 2.00 - 3.00 | ... | ... | ... | ... |
Product Variation, % Over or Under | 0.01 over | 0.04 over | 0.010 over | 0.005 over | 0.05 over | 0.15 | 0.20 | 0.10 | ... | ... | ... | ... |
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 B8M Class 1 | All diameters | carbide solution treated | ... | 75 [515] | 30 [205] | 30 | 50 | 223 HBWDor 96 HRB |
ASTM A320 B8M Class 2 | 3/4 [20] and under | carbide solution treated and strain hardened | ... | 110 [760] | 95 [655] | 15 | 45 | 321 HBW or 35 HRC |
over 3/4 to 1 [20 to 25], incl | ... | 100 [690] | 80 [550] | 20 | 45 | 321 HBW or 35 HRC | ||
over 1 to 11/4 [25 to 32], incl | ... | 95 [655] | 65 [450] | 25 | 45 | 321 HBW or 35 HRC | ||
over 11/4 to 11/2 [32 to 40], inclA | ... | 90 [620] | 50 [345] | 30 | 45 | 321 HBW or 35 HRC |