ASTM A249 Stainless Steel Tube
ASTM A249 is a standard specification for welded austenitic stainless steel tubes for boilers, superheaters, heat exchangers, and condensers.
the physical and chemical properties of 904L stainless steel tubes:
| Property | Value |
| Density | 7.95 g/cm3 |
| Melting Point | 1350-1390°C (2462-2534°F) |
| Tensile Strength | 490-690 MPa |
| Yield Strength | 220-490 MPa |
| Elongation | 35-45% |
| Hardness (Brinell) | 190-220 |
| Modulus of Elasticity | 195 GPa (28.2 x 106 psi) |
| Thermal Conductivity | 13.7 W/m-K (at 100°C) |
| Specific Heat Capacity | 450 J/kg-K |
| Corrosion Resistance | Excellent resistance to pitting and crevice corrosion in chloride environments, sulfuric acid, and other acidic environments. |






