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ASTM A182 F304L / UNS S30403 / 1.4306 BLRF Stainless Steel Blind Flange
Stainless steel 304L blind flanges are commonly used in piping systems to seal the end of a pipeline or a valve. Stainless steel 304L blind flanges can be used in high-temperature and high-pressure applications, as they have excellent resistance to corrosion and oxidation. Blind flanges are also known as blanking flanges, and they are used to close off the end of a pipe or fitting.
Stainless Steel 304L Equivalent Grades
| STANDARD | UNS | WERKSTOFF NR. | EN | BS | GOST | JIS | AFNOR |
| SS 304L | S30403 | 1.4306/1.4307 | X2CrNi18-9 / X2CrNi19-11 | 304S11 | 03Х18Н11 | SUS 304L | Z3CN18‐10 |
ASTM A182 F304L Stainless Steel Flange
| Specifications List | ASTM/ ASME A182 / SA182 |
|---|---|
| Standard Flange | BS, DIN, ASME, ANSI, EN |
| Size Chart | 1/2″up to 48″ (15 - 1200NB) |
| Class / Pressure Rating | PN16, 2500#, PN25, 600#, 150#, 300#, 900#, PN10, 1500#, PN64, PN6, PN40 |
| ASTM Standards | DIN, ANSI/ASME B16.48, B16.5, BS4504, BS 10, B 16.47 Series A & B, EN-1092 |
Chemical Composition of ASTM A182 F304L Stainless Steel Flange
| Grade | C | Mn | Si | P | S | Cr | Ni | N |
|---|---|---|---|---|---|---|---|---|
| 304 | 0.07max | 2.0max | 0.75max | 0.045max | 0.03max | min: 18.0 max: 20.0 | min: 8.0 max: 10.5 | — |
| 304L | 0.03max | 2.0max | 0.75max | 0.045max | 0.03max | min: 18.0 max: 20.0 | min: 8.0 max: 12.0 | 0.10 max |
| 304H | min: 18.0 max:20.0 | min: 8.0 max: 10.5 | min: 0.04 max:0.10 | 0.75 max | 2.0 max | 0.045 max | 0.03 max | 0.10 max |
Mechanical Properties of ASTM A182 F304L Stainless Steel 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 |
| 304L | 485 | 170 | 40 | 92 | 201 |
| 304H | 515 | 205 | 40 | 92 | 201 |
Physical Properties of ASTM A182 F304L Stainless Steel Flange
| Grade | Density(kg/m3) | Elastic Modulus (GPa) | Mean Coefficient of Thermal Expansion (μm/m/°C) | Thermal Conductivity (W/m.K) | Specific Heat 0-100°C (J/kg.K) | Electrical Resistivity (nΩ.m) | |||
| 0-100°C | 0-315°C | 0-538°C | at 100°C | at 500°C | |||||
| 304/L/H | 8000 | 193 | 17.2 | 17.8 | 18.4 | 16.2 | 21.5 | 500 | 720 |
ASTM A182 F304L Flanges Types
ASTM A182 F304L Flange Application
