Stainless Steel 321 Flanges
Stainless Steel 321 Flanges Spec Chart
| Size Chart | 1/2" to 48" |
|---|---|
| Pressure Rating ANSI | 2500#, 600#, 900#, 150#, 300#, 1500# |
| Most common types | Threaded / Forged / Screwed / Plate |
| Coating | Zinc Plated, Anti-rust Paint, Cold and Hot Dip Galvanized, Oil Black Paint, Yellow Transparent |
| Test Certificates | EN 10204/3.1B Raw Materials Certificate 100% Radiography Test Report Third Party Inspection Report, etc |
| Connect Type/ Flange Face Type | Flat Face, Ring Type Joint, Large Male-Female, Small Male-Female, Raised Face, Lap-Joint Face, Small Tongue, Large Tongue & Groove, Groove |
| Production technique |
|
| Equipment | Pushing Machine, Bending machine, electric bevelling machine, Press machine, Sand-blasting machine etc |
ASTM A182 F321 Reducing Flange Chemical Composition
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N | Other | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 321 | min. max |
- 0.08 |
2.00 | 0.75 | 0.045 | 0.030 | 17.0 19.0 |
- | 9.0 12.0 |
0.10 | Ti=5(C+N) 0.70 |
Mechanical Properties of 321 Stainless Steel Slip on Flange
| Grade | Tensile Strength (MPa) min | Yield Strength 0.2% Proof (MPa) min | Elongation (% in 50mm) min | Hardness | |
|---|---|---|---|---|---|
| Rockwell B (HR B) max | Brinell (HB) max | ||||
| 321 | 515 | 205 | 40 | 95 | 217 |
SS 321 Weld Neck Flange Physical Properties
| Grade | Density (kg/m3) | Elastic Modulus (GPa) | Mean Coefficient of Thermal Expansion (m/m/0C) | Thermal Conductivity (W/m.K) | Specific Heat 0-1000C (J/kg.K) | Electrical Resistivity (n.m) | |||
|---|---|---|---|---|---|---|---|---|---|
| 0-1000C | 0-3150C | 0-5380C | at 1000C | at 5000C | |||||
| 321 | 8027 | 193 | 16.6 | 17.2 | 18.6 | 16.1 | 22.2 | 500 | 720 |
UNS S32100 Blind Flange Equivalent Grade
| Grade | UNS No | Old British | Euronorm | Swedish SS | Japanese JIS | ||
|---|---|---|---|---|---|---|---|
| BS | En | No | Name | ||||
| 321 | S32100 | 321S31 | 58B, 58C | 1.4541 | X6CrNiTi18-10 | 2337 | SUS 321 |