ASME SA-213/SA-213M Grade T3b Introduce
The most common use for ASME SA-213/SA-213M Grade T3b is in boilers, but it is also common to see it used in pressure vessels, heat exchangers and piping systems. The alloy is well suited for these types of applications due to its strong resistance to corrosion, strength and weldability. It is also resistant to elevated temperatures, making it ideal for use around hot areas.
Smelting temperature:1178°C - 1757°C
Application:Seamless ferritic and austenitic alloy steel tubes for boilers, superheaters and heat exchangers
ASME SA-213/SA-213M Grade T3b Material Mechanical Properties
The most significant mechanical properties of ASME SA-213/SA-213M Grade T3b steel are the yield strength and ultimate tensile strength. The yield strength represents the amount of force that the material can withstand before it starts to deform in a permanent manner. The ultimate tensile strength, meanwhile, is the maximum tension that the steel can withstand before it starts to fracture.
The mechanical properties of the ASME SA-213/SA-213M Grade T3b steel are as follows:
| YieldRp0.2 | ≤ 711 (MPa) |
| TeileRm | ≤ 385 (MPa) |
| ImpactKV/Ku | 33(J) |
| ElongationA | 22% |
| Reduction in cross section on fractureZ | 12% |
| As-Heat-Treated Condition | Solution and Aging, Annealing, Ausaging, Q+T,etc |
| Brinell hardness (HBW) | 321 |
ASME SA-213/SA-213M Grade T3b Material Thermal Properties
The thermal performance parameters of the ASME SA-213/SA-213M Grade T3b steel are as follows:
| Temperature (°C) | 12 | 674 | 377 |
| Modulus of elasticity (GPa) | - | 138 | - |
| Mean coefficient of thermal expaion ×10-6/(°C) | - | - | 11 |
| Thermal conductivity (W/m·°C) | - | 22.3 | 23.2 |
| Specific thermal capacity (J/kg·°C) | - | 321 | - |
| Specific electrical resistivity (Ω mm²/m) | 0.31 | - | - |
| Deity (kg/dm³) | - | - | 343 |
| Poisson’s coefficient, ν | - | - | 333 |
ASME SA-213/SA-213M Grade T3b Material Machining Technology
The machining of ASME SA-213/SA-213M Grade T3b steel is a field in which many different types of metals are used in order to build and maintain various types of equipment and structures. Machinists must have knowledge of various machining processes and techniques, in order to obtain the desired component or component parts from the ASME SA-213/SA-213M Grade T3b steel. Depending on the application and the type of component required, specific machining operations may be performed on the steel in order to create the required parts.