ASTM A276 446 Introduce

ASTM A276 446 is a popular grade of stainless steel used for a variety of applications. It features a combination of iron, chromium, nickel, and molybdenum, giving it excellent mechanical, heat, and oxidation resistances, as well as good corrosion resistance. Its physical properties vary depending on composition and treatment, but it has a high strength-to-weight ratio and is relatively easy to machine. All these properties make ASTM A276 446 a versatile material for use in many different industries and applications.

Smelting temperature:1233°C - 1277°C

Application:Stainless steel bars and profiles

ASTM A276 446 Material Chemical Composition

The chemical composition of the ASTM A276 446 steel are as follows:

ElementMinMax
Nitrogen (N)-0.2500
Nickel (Ni)-0.7500
Chromium (Cr)23.000027.0000
PhOsphorus (P)-0.0400
Sulfur (S)-0.0300
Manganese (Mn)-1.5000
Silicon (Si)-1.0000
Carbon (C)-0.2000

ASTM A276 446 Material Mechanical Properties

The mechanical properties of the ASTM A276 446 steel are as follows:

YieldRp0.2 ≤ 144 (MPa)
TeileRm≤ 599 (MPa)
ImpactKV/Ku11(J)
ElongationA34%
Reduction in cross section on fractureZ34%
As-Heat-Treated ConditionSolution and Aging, Annealing, Ausaging, Q+T,etc
Brinell hardness (HBW)424

ASTM A276 446 Material Thermal Properties

The thermal performance parameters of the ASTM A276 446 steel are as follows:

Temperature (°C)31494562
Modulus of elasticity (GPa)-916-
Mean coefficient of thermal expaion ×10-6/(°C)--13
Thermal conductivity (W/m·°C)-41.324.2
Specific thermal capacity (J/kg·°C)-344-
Specific electrical resistivity (Ω mm²/m)0.34--
Deity (kg/dm³)--244
Poisson’s coefficient, ν--231

ASTM A276 446 Material Machining Technology

ASTM A276 446 is a specification for stainless steel bars and shapes. It includes here grades of stainless steel, chemistry limits, heat treat requirements and mechanical properties. It gives guidance on forming and machining as well as for welding and heat-treating.