ASME SA-213/SA-213M Grade TP 304L Introduce
ASME SA-213/SA-213M Grade TP 304L is a low alloy steel used in boilers and heat exchangers. It is a popular material for these applications due to its excellent corrosion resistance, high strength and good weldability. The alloy has been in production since 1961 and is available in a wide range of forms and grades, allowing for maximum flexibility and creativity when creating a project.
Smelting temperature:1484°C - 1387°C
Application:Seamless ferritic and austenitic alloy steel tubes for boilers, superheaters and heat exchangers
ASME SA-213/SA-213M Grade TP 304L Material Mechanical Properties
The composition of ASME SA-213/SA-213M Grade TP 304L steel is typically composed of iron and a variety of alloying elements. Typically, the alloying elements consist of carbon, manganese, silicon, phosphorus, sulfur, chromium, molybdenum, and nickel. These elements can be added in different proportions in order to provide the desired mechanical and physical properties.
The mechanical properties of the ASME SA-213/SA-213M Grade TP 304L steel are as follows:
| YieldRp0.2 | ≤ 371 (MPa) |
| TeileRm | ≤ 471 (MPa) |
| ImpactKV/Ku | 44(J) |
| ElongationA | 34% |
| Reduction in cross section on fractureZ | 32% |
| As-Heat-Treated Condition | Solution and Aging, Annealing, Ausaging, Q+T,etc |
| Brinell hardness (HBW) | 342 |
ASME SA-213/SA-213M Grade TP 304L Material Thermal Properties
The thermal performance parameters of the ASME SA-213/SA-213M Grade TP 304L steel are as follows:
| Temperature (°C) | 33 | 226 | 874 |
| Modulus of elasticity (GPa) | - | 954 | - |
| Mean coefficient of thermal expaion ×10-6/(°C) | - | - | 42 |
| Thermal conductivity (W/m·°C) | - | 12.3 | 42.2 |
| Specific thermal capacity (J/kg·°C) | - | 112 | - |
| Specific electrical resistivity (Ω mm²/m) | 0.23 | - | - |
| Deity (kg/dm³) | - | - | 241 |
| Poisson’s coefficient, ν | - | - | 244 |
ASME SA-213/SA-213M Grade TP 304L Material Machining Technology
There are many reasons for machining ASME SA-213/SA-213M Grade TP 304L 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 Grade TP 304L steel.