ASTM A240 S41008 ASTM A240/A240M Introduction
The steel's corrosion-resistant properties mean that it is a good option for parts which need to be exposed to harsh weather conditions or areas of high salinity, such as marine and coastal environments. This elevates the steel's suitability for applications which require enhanced durability and long-term performance.
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Application: Heat-resistant chrome and chrome-nickel stainless steel sheets, sheets and strips for pressure vessels.
Heat treated: 1186°C - 1731°C.
ASTM A240 S41008 ASTM A240/A240M Chemical Element
Carbon, Silicon, Manganese, Phosphorus, Sulfur are called "Five Elements". They are the main impurities in steel. Carbon improves steel hardness. Silicon strengthens the steel strength. Manganese contributes to increase the steel firmness, strength and wear resistance. Phosphorus reduces the steel plasticity and toughness and appearing cold brittleness. Meanwhile, It can significantly increase the strength of steel, and improve the atmospheric corrosion stability. Sulfur makes the hot brittleness of steel high.
| Element | Min | Max | Similar |
|---|---|---|---|
| Si | - | 1.0000 | - |
| S | - | 0.0300 | - |
| P | - | 0.0400 | - |
| Ni | - | 0.6000 | - |
| Mn | - | 1.0000 | - |
| Cr | 11.5000 | 13.5000 | - |
| C | - | 0.0800 | - |
ASTM A240 S41008 ASTM A240/A240M Mechanical Properties
The ASTM A240 S41008 ASTM A240/A240M material mechanical properties shall comply with the values given in the following table.
| Yield Rp0.2 (MPa) |
Tensile Rm (MPa) |
Impact KV/Ku (J) |
Elongation A (%) |
Reduction in cross section on fracture Z (%) |
As-Heat-Treated Condition | Brinell hardness (HBW) |
|---|---|---|---|---|---|---|
| 241 (≥) | 518 (≥) | 11 | 13 | 32 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 141 |
ASTM A240 S41008 ASTM A240/A240M Physical Properties
ASTM A240 S41008 ASTM A240/A240M steel is a versatile and highly heat-resistant steel featuring an austenitic composition and an excellent resistance to corrosion and abrasion. It is an alloy that retains its shape and stability in a wide range of temperatures, from cryogenic to high temperature environments. ASTM A240 S41008 ASTM A240/A240M steel is an ideal choice for many applications due to its combined strength and versatility.
The physical properties of ASTM A240 S41008 ASTM A240/A240M steel incorporate high quality, low weight, solidness, ductility and protection from erosion.
| Temperature (°C) |
Modulus of elasticity (GPa) |
Mean coefficient of thermal expansion 10-6/(°C) between 20(°C) and | Thermal conductivity (W/m·°C) |
Specific thermal capacity (J/kg·°C) |
Specific electrical resistivity (Ω mm²/m) |
Density (kg/dm³) |
Poisson's coefficient, ν |
|---|---|---|---|---|---|---|---|
| 21 | - | - | 0.32 | - | |||
| 553 | 121 | - | 14.3 | 134 | - | ||
| 696 | - | 12 | 23.2 | 213 | 232 |
