ASTM A240/A240M N08810 Introduce

ASTM A240/A240M N08810 is an international standard that specifies requirements for chromium and chromium-nickel stainless steel plate, sheet, and strip for pressure vessels and for general applications. It applies to the following grades: type 304, 304L, 316, 316L, 321, and 347, for rolled and forged products; and type 304H, 347H, 17-4PH, 630, and 631/N08367, for hot- and cold-rolled sheet and strip.

Smelting temperature:1873°C - 1885°C

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

ASTM A240/A240M N08810 Material Chemical Composition

The chemical composition of the ASTM A240/A240M N08810 steel are as follows:

ElementMinMax
Copper (Cu)-0.7500
Titanium (Ti)0.15000.6000
Aluminum (Al)0.15000.6000
Nickel (Ni)30.000035.0000
Chromium (Cr)19.000023.0000
PhOsphorus (P)-0.0450
Sulfur (S)-0.0150
Manganese (Mn)-1.5000
Silicon (Si)-1.0000
Carbon (C)0.05000.1000
Iron (Fe)39.5000-

ASTM A240/A240M N08810 Material Mechanical Properties

ASTM A240/A240M N08810 is a popular steel grade used. It is widely used in chromium and chromium-nickel stainless steel plate, sheet, and strip for pressure vessels and for general applications. ASTM A240/A240M N08810 steel has excellent mechanical properties, including excellent tensile and yield strength. It also has very good corrosion resistance and is used widely in many application fields.

The mechanical properties of the ASTM A240/A240M N08810 steel are as follows:

YieldRp0.2 ≤ 678 (MPa)
TeileRm≤ 961 (MPa)
ImpactKV/Ku22(J)
ElongationA11%
Reduction in cross section on fractureZ13%
As-Heat-Treated ConditionSolution and Aging, Annealing, Ausaging, Q+T,etc
Brinell hardness (HBW)424

ASTM A240/A240M N08810 Material Thermal Properties

The thermal performance parameters of the ASTM A240/A240M N08810 steel are as follows:

Temperature (°C)14244358
Modulus of elasticity (GPa)-335-
Mean coefficient of thermal expaion ×10-6/(°C)--32
Thermal conductivity (W/m·°C)-23.342.2
Specific thermal capacity (J/kg·°C)-312-
Specific electrical resistivity (Ω mm²/m)0.14--
Deity (kg/dm³)--422
Poisson’s coefficient, ν--244

ASTM A240/A240M N08810 Material Machining Technology

ASTM A240/A240M N08810 steel is an iron-based alloy with a minimum of 10.5% chromium by mass. It has high corrosion resistance, strength, and durability, making it an excellent choice for industrial applications. Due to its corrosion resistance, stainless steel is often used in medical and food applications, as well as in a variety of building products.