304N Stainless Steel Washers
1.4311, 304LN, S30451, X2CRNIN18-10
304N Stainless Steel Washers are austenitic stainless steel washers manufactured from alloy containing chromium, nickel with addition of nitrogen with restricted carbon content. Stainless Steel 304N Washers are used for low temperature service and highly corrosive environments. TorqBolt is an eminent 304 stainless steel washer supplier in India.
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304N Stainless Steel Washers Properties
304N Stainless Steel Washers 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 Washers 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 |