ASME SA-213/SA-213M TP444 Introduce
ASME SA-213/SA-213M TP444 is composed mostly of a combination of iron and chromium. This combination provides a material that is strong and resistant to corrosion. The alloy also contains other smaller amounts of elements like manganese, silicon and molybdenum. These elements add additional strength, toughness, and corrosion resistance to the material.
Smelting temperature:1763°C - 1613°C
Application:Seamless ferritic and austenitic alloy steel tubes for boilers, superheaters and heat exchangers
ASME SA-213/SA-213M TP444 Material Mechanical Properties
In order to achieve the desired mechanical properties of ASME SA-213/SA-213M TP444 steel, it must undergo several thermal treatments. These treatments often encompass both an annealing process and a tempering process. The annealing process removes stresses that have built up during the hot-working process, The tempering process then increases the mechanical strength of the steel by increasing the amount of energy that the material can absorb before fracturing.
The mechanical properties of the ASME SA-213/SA-213M TP444 steel are as follows:
| YieldRp0.2 | ≤ 598 (MPa) |
| TeileRm | ≤ 849 (MPa) |
| ImpactKV/Ku | 14(J) |
| ElongationA | 43% |
| Reduction in cross section on fractureZ | 12% |
| As-Heat-Treated Condition | Solution and Aging, Annealing, Ausaging, Q+T,etc |
| Brinell hardness (HBW) | 132 |
ASME SA-213/SA-213M TP444 Material Thermal Properties
The thermal performance parameters of the ASME SA-213/SA-213M TP444 steel are as follows:
| Temperature (°C) | 43 | 928 | 228 |
| Modulus of elasticity (GPa) | - | 919 | - |
| Mean coefficient of thermal expaion ×10-6/(°C) | - | - | 24 |
| Thermal conductivity (W/m·°C) | - | 42.3 | 44.2 |
| Specific thermal capacity (J/kg·°C) | - | 122 | - |
| Specific electrical resistivity (Ω mm²/m) | 0.24 | - | - |
| Deity (kg/dm³) | - | - | 333 |
| Poisson’s coefficient, ν | - | - | 113 |
ASME SA-213/SA-213M TP444 Material Machining Technology
There are many reasons for machining ASME SA-213/SA-213M TP444 steel. The steel exhibits high strength, excellent ductility and formability, good creep resistance and oxidation resistance, and toughness and resistance to stress cracking. These features make the steel suitable for applications where strength, durability, and toughness are required. As such, many components in the construction and industrial sector are manufactured from ASME SA-213/SA-213M TP444 steel.