ASTM A276 S44700 Introduce
Steel is a critical material for many industries, particularly in construction and automotive manufacturing. ASTM A276 S44700 steel is a versatile steel alloy, as it has many desirable mechanical properties as well as being relatively inexpensive.
Smelting temperature:1286°C - 1727°C
Application:Stainless steel bars and profiles
ASTM A276 S44700 Material Chemical Composition
The chemical composition of the ASTM A276 S44700 steel are as follows:
| Element | Min | Max |
|---|---|---|
| Nitrogen (N) | - | 0.0200 |
| Copper (Cu) | - | 0.1500 |
| Molybdenum (Mo) | 3.5000 | 4.2000 |
| Nickel (Ni) | - | 0.1500 |
| Chromium (Cr) | 28.0000 | 30.0000 |
| PhOsphorus (P) | - | 0.0250 |
| Sulfur (S) | - | 0.0200 |
| Manganese (Mn) | - | 0.3000 |
| Silicon (Si) | - | 0.2000 |
| Carbon (C) | - | 0.0100 |
| (C+N) | - | 0.0250 |
ASTM A276 S44700 Material Mechanical Properties
The mechanical properties of the ASTM A276 S44700 steel are as follows:
| YieldRp0.2 | ≤ 438 (MPa) |
| TeileRm | ≤ 492 (MPa) |
| ImpactKV/Ku | 32(J) |
| ElongationA | 14% |
| Reduction in cross section on fractureZ | 41% |
| As-Heat-Treated Condition | Solution and Aging, Annealing, Ausaging, Q+T,etc |
| Brinell hardness (HBW) | 434 |
ASTM A276 S44700 Material Thermal Properties
The thermal performance parameters of the ASTM A276 S44700 steel are as follows:
| Temperature (°C) | 33 | 629 | 325 |
| Modulus of elasticity (GPa) | - | 891 | - |
| Mean coefficient of thermal expaion ×10-6/(°C) | - | - | 42 |
| Thermal conductivity (W/m·°C) | - | 14.3 | 43.2 |
| Specific thermal capacity (J/kg·°C) | - | 213 | - |
| Specific electrical resistivity (Ω mm²/m) | 0.23 | - | - |
| Deity (kg/dm³) | - | - | 241 |
| Poisson’s coefficient, ν | - | - | 321 |
ASTM A276 S44700 Material Machining Technology
ASTM A276 S44700 is a very traditionally used material in many industries and it is seen as a premiere material choice due to its vast amount of advantageous properties. It is often chosen due to its rust prevention and its ability to be worked easily. It can resist most corrosion, it is heat resistant, it has very good cleanliness, and it is best used for pieces with intricate shapes.