ASTM A276 S21900 Introduce
ASTM A276 S21900 steel is a versatile steel alloy, due to its low cost and good mechanical properties. It is strong, deformable, hardenable and weldable, making it useful for a variety of applications. It has good impact resistance and is relatively corrosion-resistant, making it well-suited for many industrial and manufacturing purposes.
Smelting temperature:1482°C - 1191°C
Application:Stainless steel bars and profiles
ASTM A276 S21900 Material Mechanical Properties
The mechanical properties of the ASTM A276 S21900 steel are as follows:
| YieldRp0.2 | ≤ 316 (MPa) |
| TeileRm | ≤ 818 (MPa) |
| ImpactKV/Ku | 13(J) |
| ElongationA | 23% |
| Reduction in cross section on fractureZ | 13% |
| As-Heat-Treated Condition | Solution and Aging, Annealing, Ausaging, Q+T,etc |
| Brinell hardness (HBW) | 212 |
ASTM A276 S21900 Material Thermal Properties
The thermal performance parameters of the ASTM A276 S21900 steel are as follows:
| Temperature (°C) | 41 | 171 | 194 |
| Modulus of elasticity (GPa) | - | 212 | - |
| Mean coefficient of thermal expaion ×10-6/(°C) | - | - | 21 |
| Thermal conductivity (W/m·°C) | - | 33.3 | 42.2 |
| Specific thermal capacity (J/kg·°C) | - | 132 | - |
| Specific electrical resistivity (Ω mm²/m) | 0.14 | - | - |
| Deity (kg/dm³) | - | - | 444 |
| Poisson’s coefficient, ν | - | - | 242 |
ASTM A276 S21900 Material Machining Technology
ASTM A276 S21900 also has good formability and weldability. It is heat treatable so it can be hardened and tempered to meet customer needs. It has excellent wear and abrasion resistance, and it has very good smoothness and is strong enough to armor or reinforce many other products. It is aesthetically pleasing, and has a secure response to force, electricity and magnetism.