ASTM A240/A240M A240 S40910 Introduce

ASTM A240/A240M A240 S40910 is a valuable reference for anyone who has to procure stainless steel products for general and stress relieved pressure vessels. It also provides comprehensive product guidance and manufacturing instructions, making it an invaluable tool for engineers, quality control personnel, and stainless steel product manufacturers.

Smelting temperature:1857°C - 1643°C

Application:Heat-resistant chrome and chrome-nickel stainless steel sheets, sheets and strips for pressure vessels

ASTM A240/A240M A240 S40910 Material Chemical Composition

The chemical composition of the ASTM A240/A240M A240 S40910 steel are as follows:

ElementMinMax
Nitrogen (N)-0.0300
Niobium (Nb)-0.1700
Nickel (Ni)-0.5000
Chromium (Cr)10.500011.7000
PhOsphorus (P)-0.0400
Sulfur (S)-0.0200
Manganese (Mn)-1.0000
Silicon (Si)-1.0000
Carbon (C)-0.0300
Titanium (Ti)-0.5000

ASTM A240/A240M A240 S40910 Material Mechanical Properties

Tensile strength is a measure of the mechanical strength of a material and is often expressed in terms of pounds per square inch (psi). This is the maximum force a substance can withstand before it breaks or tears. ASTM A240/A240M A240 S40910 steel typically has a tensile strength of about 55,000 psi and can be strengthened further by heat treatments, such as quenching and tempering.

The mechanical properties of the ASTM A240/A240M A240 S40910 steel are as follows:

YieldRp0.2 ≤ 443 (MPa)
TeileRm≤ 224 (MPa)
ImpactKV/Ku12(J)
ElongationA34%
Reduction in cross section on fractureZ22%
As-Heat-Treated ConditionSolution and Aging, Annealing, Ausaging, Q+T,etc
Brinell hardness (HBW)424

ASTM A240/A240M A240 S40910 Material Thermal Properties

The thermal performance parameters of the ASTM A240/A240M A240 S40910 steel are as follows:

Temperature (°C)14272778
Modulus of elasticity (GPa)-992-
Mean coefficient of thermal expaion ×10-6/(°C)--33
Thermal conductivity (W/m·°C)-41.312.2
Specific thermal capacity (J/kg·°C)-143-
Specific electrical resistivity (Ω mm²/m)0.33--
Deity (kg/dm³)--434
Poisson’s coefficient, ν--432

ASTM A240/A240M A240 S40910 Material Machining Technology

ASTM A240/A240M A240 S40910 steel is more difficult to work with due to its high temperature strength, low ductility, and high yield strength. When machining, the tool must be sharp, and a wider cutting edge must be used to avoid tool failure. Additionally, stainless steel is not suitable for welding, as it requires special procedures to prevent cracking or corrosion.