ASTM A213/A213M Grade T36 Class 1 Introduce
ASTM A213/A213M Grade T36 Class 1 Steel is a austenitic steel alloy often used in the heat-exchanger and boiler industry. Its widespread usage and properties of the steel make it an important alloy for many applications. The ASTM A213/A213M Grade T36 Class 1 metal alloy is known for its excellent tensile strength. It has a high yield strength of 205MPa and a tensile strength ranging from 415-827MPa. Some of the steel types have a higher tensile strength than others, with the T5 type having a maximum strength of 827MPa and the T22 type having a maximum strength of 893MPa.
Smelting temperature:1566°C - 1764°C
Application:Seamless ferritic and austenitic alloy steel boilers, superheaters and heat exchanger tubes
ASTM A213/A213M Grade T36 Class 1 Material Chemical Composition
The chemical composition of the ASTM A213/A213M Grade T36 Class 1 steel are as follows:
| Element | Min | Max |
|---|---|---|
| Vanadium (V) | - | 0.0200 |
| Silicon (Si) | 0.2500 | 0.5000 |
| Sulfur (S) | - | 0.0250 |
| PhOsphorus (P) | - | 0.0300 |
| Nickel (Ni) | 1.0000 | 1.3000 |
| Niobium (Nb) | 0.0150 | 0.0450 |
| Nitrogen (N) | - | 0.0200 |
| Molybdenum (Mo) | 0.2500 | 0.5000 |
| Manganese (Mn) | 0.8000 | 1.2000 |
| Copper (Cu) | 0.5000 | 0.8000 |
| Chromium (Cr) | - | 0.3000 |
| Carbon (C) | 0.1000 | 0.1700 |
| Aluminum (Al) | - | 0.0500 |
ASTM A213/A213M Grade T36 Class 1 Material Mechanical Properties
The mechanical properties of the ASTM A213/A213M Grade T36 Class 1 steel are as follows:
| YieldRp0.2 | ≤ 822 (MPa) |
| TeileRm | ≤ 447 (MPa) |
| ImpactKV/Ku | 22(J) |
| ElongationA | 33% |
| Reduction in cross section on fractureZ | 13% |
| As-Heat-Treated Condition | Solution and Aging, Annealing, Ausaging, Q+T,etc |
| Brinell hardness (HBW) | 443 |
ASTM A213/A213M Grade T36 Class 1 Material Thermal Properties
The thermal performance parameters of the ASTM A213/A213M Grade T36 Class 1 steel are as follows:
| Temperature (°C) | 21 | 379 | 262 |
| Modulus of elasticity (GPa) | - | 728 | - |
| Mean coefficient of thermal expaion ×10-6/(°C) | - | - | 13 |
| Thermal conductivity (W/m·°C) | - | 42.3 | 31.2 |
| Specific thermal capacity (J/kg·°C) | - | 213 | - |
| Specific electrical resistivity (Ω mm²/m) | 0.23 | - | - |
| Deity (kg/dm³) | - | - | 321 |
| Poisson’s coefficient, ν | - | - | 232 |