ASTM A409/A409M Type 310 Introduce

ASTM A409/A409M Type 310 is an alloy steel with a unique combination of mechanical and thermal properties. Its tensile strength, yield strength, and corrosion resistance make it a popular choice for demanding applications. Furthermore, the steel has excellent weldability, good formability, and can withstand high temperatures. It is also relatively easy to form and weld.

Smelting temperature:1178°C - 1228°C

Application:Corrosion resistant or high temperature resistant large diameter welded austenitic stainless steel tube

ASTM A409/A409M Type 310 Material Chemical Composition

The chemical composition of the ASTM A409/A409M Type 310 steel are as follows:

ElementMinMax
Silicon (Si)-1.5000
Sulfur (S)-0.0300
PhOsphorus (P)-0.0450
Nickel (Ni)19.000022.0000
Manganese (Mn)-2.0000
Chromium (Cr)24.000026.0000
Carbon (C)-0.2500

ASTM A409/A409M Type 310 Material Mechanical Properties

The mechanical properties of the ASTM A409/A409M Type 310 steel are as follows:

YieldRp0.2 ≤ 761 (MPa)
TeileRm≤ 744 (MPa)
ImpactKV/Ku21(J)
ElongationA31%
Reduction in cross section on fractureZ44%
As-Heat-Treated ConditionSolution and Aging, Annealing, Ausaging, Q+T,etc
Brinell hardness (HBW)432

ASTM A409/A409M Type 310 Material Thermal Properties

The thermal performance parameters of the ASTM A409/A409M Type 310 steel are as follows:

Temperature (°C)22493588
Modulus of elasticity (GPa)-592-
Mean coefficient of thermal expaion ×10-6/(°C)--43
Thermal conductivity (W/m·°C)-14.322.2
Specific thermal capacity (J/kg·°C)-221-
Specific electrical resistivity (Ω mm²/m)0.32--
Deity (kg/dm³)--122
Poisson’s coefficient, ν--333