ASTM A213/A213M N08925 Introduce
ASTM A213/A213M N08925 steel is a ferritic and austenitic stainless steel alloy that is produced and regulated to meet ASTM A213/A213M standard specification for seamless ferritic and austenitic stainless steel tubes for boilers, superheaters, and heat exchangers. This steel offers a combination of corrosion resistance, toughness and strength, making it well-suited for a wide range of industrial applications.
Smelting temperature:1619°C - 1359°C
Application:Seamless ferritic and austenitic alloy steel boilers, superheaters and heat exchanger tubes
ASTM A213/A213M N08925 Material Chemical Composition
The chemical composition of the ASTM A213/A213M N08925 steel are as follows:
| Element | Min | Max |
|---|---|---|
| Silicon (Si) | - | 0.5000 |
| Sulfur (S) | - | 0.0300 |
| PhOsphorus (P) | - | 0.0450 |
| Nickel (Ni) | 24.0000 | 26.0000 |
| Nitrogen (N) | 0.1000 | 0.2000 |
| Molybdenum (Mo) | 6.0000 | 7.0000 |
| Manganese (Mn) | - | 1.0000 |
| Copper (Cu) | 0.8000 | 1.5000 |
| Chromium (Cr) | 19.0000 | 21.0000 |
| Carbon (C) | - | 0.0200 |
ASTM A213/A213M N08925 Material Mechanical Properties
The mechanical properties of the ASTM A213/A213M N08925 steel are as follows:
| YieldRp0.2 | ≤ 653 (MPa) |
| TeileRm | ≤ 422 (MPa) |
| ImpactKV/Ku | 41(J) |
| ElongationA | 13% |
| Reduction in cross section on fractureZ | 21% |
| As-Heat-Treated Condition | Solution and Aging, Annealing, Ausaging, Q+T,etc |
| Brinell hardness (HBW) | 442 |
ASTM A213/A213M N08925 Material Thermal Properties
The thermal performance parameters of the ASTM A213/A213M N08925 steel are as follows:
| Temperature (°C) | 23 | 126 | 514 |
| Modulus of elasticity (GPa) | - | 168 | - |
| Mean coefficient of thermal expaion ×10-6/(°C) | - | - | 22 |
| Thermal conductivity (W/m·°C) | - | 34.3 | 23.2 |
| Specific thermal capacity (J/kg·°C) | - | 122 | - |
| Specific electrical resistivity (Ω mm²/m) | 0.14 | - | - |
| Deity (kg/dm³) | - | - | 221 |
| Poisson’s coefficient, ν | - | - | 431 |