Stainless Steel 304 Flanges
Stainless Steel 304 Flange Specification
| 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 |
Chemical Composition of SS 304 Pipe Flanges
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N | |
| 304 | min. | – | – | – | – | – | 18.0 | – | 8.0 | – |
| max. | 0.08 | 2.0 | 0.75 | 0.045 | 0.030 | 20.0 | 10.5 | 0.10 | ||
Mechanical Properties of 304 Stainless Steel Blind 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 | ||||
| 304 | 515 | 205 | 40 | 92 | 201 |
Physical Properties of 304 Stainless Steel Weld Neck Flange
| 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 | |||||
| 304 | 8000 | 193 | 17.2 | 17.8 | 18.4 | 16.2 | 21.5 | 500 | 720 |
SS 304 Slip on Flanges Equivalent Grade
| Grade | UNS No | Old British | Euronorm | Swedish SS | Japanese JIS | ||
| BS | En | No | Name | ||||
| 304 | S30400 | 304S31 | 58E | 1.4301 | X5CrNi18-10 | 2332 | SUS 304 |