304 Stainless Steel Bolts
304S31, BS2332, 1.4301, 304, S30400, X5CRNI18-10
304 Stainless Steel Bolts are austenitic stainless steel bolts manufactured from alloy containing chromium and nickel. Stainless Steel 304 Bolts are used for corrosive environments. TorqBolt is an eminent 304 stainless steel bolts supplier in India.
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304 SS Bolts SS 304 Fasteners 304 Stainless Forgings Type 304 Stainless Steel Nuts 304 Stainless Steel Machine Screws 304 SS Springs 304 Stainless Threaded Rod 304 Stainless Steel Flat Washers A2 80 Nuts Astm A193 Grade B8 Class 2 Bolts Astm A193 Grade B8A Studs Astm A194 Grade 8 Hex Nuts Astm A194 Grade 8A Nuts Astm A320 Grade B8 Class 2 Bolts Astm A320 Grade B8A Stud Bolts Astm F594 Type 304 Nuts Astm F594D Stainless Steel Nuts Astm F593 Type 304 Screws Astm F593 Type 304 Screws 1.4301 Studs
304 Stainless Steel Bolts Properties
304 Stainless Steel Bolts Chemical Requirements
| Grade | Description and UNS Designation | Classes | C | Mn | P | S | Si | Cr | Ni | Mo | Cu | CbF | Ti | V | N |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ASTM A193 Grade B8, B8A | 304, S30400 | 1, 1A, 2 | 0.08 | 2.00 | 0.045 | 0.030 | 1.00 | 18.0-20.0 | 8.0-11.0 | . . . | . . . | . . . | . . . | . . . | . . . |
| Product Analysis VariationB | 0.01 | 0.04 | 0.010 | 0.005 | 0.05 | 0.20 | 0.15 | . . . | . . . | . . . | . . . | . . . | . . . |
304 Stainless Steel Bolts Mechanical Property
Austenitic Steels (Inch)
| 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 B8 Classes 1 and 1D | All diameters | carbide solution treated | 75 | 30 | 30 | 50 | 223 HBW or 96 HRBC |
| ASTM A193 Grade B8 Classes 1 and 1D | All diameters | carbide solution treated | 75 | 30 | 35 | 50 | 223 HBW or 96 HRBC |
| ASTM A193 Grade B8A Class 1A | All diameters | carbide solution treated in the finished condition | 75 | 30 | 30 | 50 | 192 HBW or 90 HRB |
| ASTM A193 Grade B8 Class 2 | 3/4 and under | carbide solution treated and strain hardened | 125 | 100 | 12 | 35 | 321 HBW or 35 HRC |
| over 3/4 to 1, incl | 115 | 80 | 15 | 35 | 321 HBW or 35 HRC | ||
| over 1 to 11/4 , incl | 105 | 65 | 20 | 35 | 321 HBW or 35 HRC | ||
| over 11/4 to 11/2 , incl | 100 | 50 | 28 | 45 | 321 HBW or 35 HRC | ||
| ASTM A193 Grade B8 Class 2B | 2 and under | carbide solution treated and strain hardened | 95 | 75 | 25 | 40 | 321 HBW or 35 HRC |
| over 2 to 21/2 incl | 90 | 65 | 30 | 40 | 321 HBW or 35 HRC | ||
| over 21/2 to 3 incl | 80 | 55 | 30 | 40 | 321 HBW or 35 HRC |
Austenitic Steels (Metric)
| 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 B8 All diameters Classes 1 and 1D | All diameters | carbide solution treated | 515 | 205 | 30 | 50 | 223 HBW or 96 HRBC |
| ASTM A193M Grade B8A All diameters Class 1A | All diameters | carbide solution treated in the finished condition | 515 | 205 | 30 | 50 | 192 HBW or 90 HRB |
| ASTM A193M Grade B8 Class 2 | M20 and under | carbide solution treated and strain hardened | 860 | 690 | 12 | 35 | 321 HBW or 35 HRC |
| over M20 to M24, incl | 795 | 550 | 15 | 35 | 321 HBW or 35 HRC | ||
| over M24 to M30, incl | 725 | 450 | 20 | 35 | 321 HBW or 35 HRC | ||
| over M30 to M36, incl | 690 | 345 | 28 | 45 | 321 HBW or 35 HRC | ||
| ASTM A193M Grade B8 Class 2B | M48 and under | carbide solution treated and strain hardened | 655 | 515 | 25 | 40 | 321 HBW or 35 HRC |
| over M48 to M64, incl | 620 | 450 | 30 | 40 | 321 HBW or 35 HRC | ||
| over M64 to M72, incl | 550 | 380 | 30 | 40 | 321 HBW or 35 HRC |