ASTM A240/A240M S30530 Introduce

ASTM A240/A240M S30530 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:1871°C - 1964°C

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

ASTM A240/A240M S30530 Material Chemical Composition

The chemical composition of the ASTM A240/A240M S30530 steel are as follows:

ElementMinMax
Silicon (Si)0.50002.5000
Sulfur (S)-0.0300
PhOsphorus (P)-0.0450
Nickel (Ni)8.500011.5000
Molybdenum (Mo)0.75001.5000
Manganese (Mn)-2.0000
Copper (Cu)0.75003.5000
Chromium (Cr)17.000020.5000
Carbon (C)-0.0800

ASTM A240/A240M S30530 Material Mechanical Properties

ASTM A240/A240M S30530 steel has excellent mechanical properties that make it suitable for many different applications. It provides high tensile and yield strengths, a high degree of hardness, impact strength, and excellent corrosion resistance.

The mechanical properties of the ASTM A240/A240M S30530 steel are as follows:

YieldRp0.2 ≤ 257 (MPa)
TeileRm≤ 252 (MPa)
ImpactKV/Ku41(J)
ElongationA31%
Reduction in cross section on fractureZ14%
As-Heat-Treated ConditionSolution and Aging, Annealing, Ausaging, Q+T,etc
Brinell hardness (HBW)233

ASTM A240/A240M S30530 Material Thermal Properties

The thermal performance parameters of the ASTM A240/A240M S30530 steel are as follows:

Temperature (°C)42148736
Modulus of elasticity (GPa)-755-
Mean coefficient of thermal expaion ×10-6/(°C)--44
Thermal conductivity (W/m·°C)-12.324.2
Specific thermal capacity (J/kg·°C)-244-
Specific electrical resistivity (Ω mm²/m)0.43--
Deity (kg/dm³)--331
Poisson’s coefficient, ν--421

ASTM A240/A240M S30530 Material Machining Technology

Machining ASTM A240/A240M S30530 steel is a challenging process that requires special knowledge, tools, and techniques to achieve the desired result. The material is highly resistant to corrosion, making it an ideal choice for industries that require a durable and long-lasting machine part. However, due to its high temperature strength and low ductility, machining ASTM A240/A240M S30530 requires specialized tools and setup to achieve a successful outcome. With the proper tools and techniques, machining this material will be a much smoother and successful process with long lasting results.