ASTM A479/A479M 316N Introduce

The primary application of ASTM A479/A479M 316N pressure vessel steel is in the manufacturing of pressure vessels, which are containers designed to hold liquids or gases at high pressures. These vessels are commonly used in industries such as oil and gas, chemical processing, and power generation.

Smelting temperature:1184°C - 1496°C

Application:Stainless steel and heat-resistant steel bars and profiles for boilers and pressure vessels

ASTM A479/A479M 316N Material Chemical Composition

The chemical composition of the ASTM A479/A479M 316N steel are as follows:

ElementMinMax
Silicon (Si)-1.0000
Sulfur (S)-0.0300
PhOsphorus (P)-0.0450
Nickel (Ni)10.000014.0000
Nitrogen (N)0.10000.1600
Molybdenum (Mo)2.00003.0000
Manganese (Mn)-2.0000
Chromium (Cr)16.000018.0000
Carbon (C)-0.0800

ASTM A479/A479M 316N Material Mechanical Properties

The mechanical properties of the ASTM A479/A479M 316N steel are as follows:

YieldRp0.2 ≤ 737 (MPa)
TeileRm≤ 213 (MPa)
ImpactKV/Ku44(J)
ElongationA44%
Reduction in cross section on fractureZ43%
As-Heat-Treated ConditionSolution and Aging, Annealing, Ausaging, Q+T,etc
Brinell hardness (HBW)311

ASTM A479/A479M 316N Material Thermal Properties

The thermal performance parameters of the ASTM A479/A479M 316N steel are as follows:

Temperature (°C)12232764
Modulus of elasticity (GPa)-782-
Mean coefficient of thermal expaion ×10-6/(°C)--31
Thermal conductivity (W/m·°C)-42.313.2
Specific thermal capacity (J/kg·°C)-242-
Specific electrical resistivity (Ω mm²/m)0.32--
Deity (kg/dm³)--443
Poisson’s coefficient, ν--111