Stainless Steel 904L Flanges Specifications
Grade | SS 904L(UNS N08904) |
Werkstoff Nr | 904L / 1.4539 |
Dimension Std. | ANSI B16.5, ANSI B16.47 Series A & B, MSS SP44, ASA, API-605, AWWA, Custom Drawings |
Specification | ASTM A182 / A240 & ASME SA182 / SA240 |
Standard | ANSI Flanges, ASME Flanges, BS Flanges, DIN Flanges, EN Flanges etc. |
Specification | ASTM A182 / A240, ASME SA182 / SA240 |
Size | ½” NB – 48” NB |
Pressure | DIN PN6, PN10, PN16, PN25, PN40, PN64, PN100, PN160, etc |
Class | 150#, 300#, 600#, 900#, 1500#, 2500#, etc |
Chemical Compositions of SS 904L Flanges
C | Cr | Cu | Mn | Mo | Ni | P | S |
---|---|---|---|---|---|---|---|
Max | Max | Max | Max | ||||
0.02 | 19.0-23.0 | 2.0 | 4.0-5.0 | 23.0-28.0 | 0.045 | 0.035 | 1.0 |
Mechanical Properties of SS 904L Flanges
Grade | Tensile Strength (MPa) min | Yield Strength 0.2% Proof (MPa) min | Elongation (% in 50mm) min | Hardness | |
---|---|---|---|---|---|
Rockwell B (HR B) | Brinell (HB) | ||||
904L | 490 | 220 | 36 | 70-90 typical | 150 |
Physical Properties of SS 904L Flanges
Grade | Density (kg/m3) |
Elastic Modulus (GPa) |
Mean Co-eff of Thermal Expansion (µm/m/°C) |
Thermal Conductivity (W/m.K) |
Specific Heat 0-100°C (J/kg.K) |
Elec Resistivity (nΩ.m) |
|||
---|---|---|---|---|---|---|---|---|---|
0-100°C | 0-315°C | 0-538°C | At 20°C | At 500°C | |||||
904L | 7900 | 190 | 15 | - | - | 11.5 | - | 500 | 952 |
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