304N Stainless Steel Screws
1.4311, 304LN, S30451, X2CRNIN18-10
304N Stainless Steel Screws are austenitic stainless steel screw manufactured from alloy containing chromium, nickel with addition of nitrogen with restricted carbon content. Stainless Steel 304N Set Screw are used for low temperature service and highly corrosive environments. TorqBolt is an eminent 304 stainless steel screw supplier in India.
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304N Stainless Steel Bolts 304N SS Fasteners 304N Stainless Forgings SS 304N Nuts 304N Stainless Steel Machine Screws Type 304N Stainless Threaded Rod 304N Stainless Washers Astm A193 Grade B8N Stud Bolts Astm A193 Grade B8Na Bolts Astm A194 Grade 8N Heavy Hex Nuts A194 Grade 8Na Nuts Astm A320 Grade B8Ln Class 2 Bolts Astm A320 Grade B8Lna Bolts
304N Stainless Steel Screws Properties
304N Stainless Steel Screws Chemical Composition
Austenitic Steels
| Grade | Description and UNS Designatio | Classes | C | Mn | P | S | Si | Cr | Ni | Mo | Cu | CbF | Ti | V | N |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ASTM A193 Grade B8N, B8NA | 304N, S30451 | 1A, 1B, 1D, 2 | 0.08 | 2.00 | 0.045 | 0.030 | 1.00 | 18.0-20.0 | 8.0-11.0 | . . . | . . . | . . . | . . . | . . . | 0.10-0.16 |
| Product Analysis VariationB | 0.01 | 0.04 | 0.010 | 0.005 | 0.05 | 0.20 | 0.15 | . . . | . . . | . . . | . . . | . . . | 0.01 |
304N Stainless Steel Screws Mechanical Requirements
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 B8NA Class 1A | All diameters | carbide solution treated in the finished condition | 75 | 30 | 30 | 50 | 192 HBW or 90 HRB |
| ASTM A193 Grade B8N Classes 1B and 1D | All diameters | carbide solution treated | 80 | 35 | 30 | 40 | 223 HBW or 96 HRBC |
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 B8NA Class 1A | All diameters | carbide solution treated in the finished condition | 515 | 205 | 30 | 50 | 192 HBW or 90 HRB |
| ASTM A193M Grade B8N Classes 1B and 1D | All diameters | carbide solution treated | 550 | 240 | 30 | 40 | 223 HBW or 96 HRBC |