ASME SA213 TP904L Stainless Steel Seamless Pipes
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Stainless Steel 904L Seamless Tubes offers a nearer match of warm extension coefficient, and fairly higher strength. To stay away from conceivable pressure unwinding grain limit breaking of Stainless Steel 904L Instrumentation Tubes in applications over 1000 Degree F the welded manufacture might be warmed 1650 Degree F for around one hour for each inch of thickness or 30 minutes least at that point air cooled. Tempered Steel 904L High Pressure Tubes, otherwise called strong arrangement reinforced evaluation, has great strength and incredible oxidation protection from 2000 Degree F.
Chemical Composition of ASTM A213 TP904L Seamless Pipes
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | Cu | |
| 904L | min. max. |
- 0.02 |
- 2 |
- 1 |
- 0.045 |
- 0.035 |
19 23 |
4 5 |
23 28 |
1 2 |
Mechanical Properties of ASTM A213 TP904L SS Seamless Pipes
| 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 |
ASTM A213 TP904L Stainless Seamless Pipes Physical Properties
| 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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