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ASTM A209 Steel vs. EN 1.4123 Stainless Steel

Both ASTM A209 steel and EN 1.4123 stainless steel are iron alloys. There are 25 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is ASTM A209 steel and the bottom bar is EN 1.4123 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140 to 150
220 to 250
Elastic (Young's, Tensile) Modulus, GPa 190
200
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
77
Tensile Strength: Ultimate (UTS), MPa 420 to 460
720 to 810

Thermal Properties

Latent Heat of Fusion, J/g 250
280
Maximum Temperature: Mechanical, °C 410
840
Melting Completion (Liquidus), °C 1470
1450
Melting Onset (Solidus), °C 1420 to 1430
1410
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 50
23
Thermal Expansion, µm/m-K 13
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.1
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 8.1 to 8.2
2.8

Otherwise Unclassified Properties

Base Metal Price, % relative 2.4
10
Density, g/cm3 7.9
7.7
Embodied Carbon, kg CO2/kg material 1.5
4.2
Embodied Energy, MJ/kg 20
62
Embodied Water, L/kg 47
120

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 15 to 16
26 to 29
Strength to Weight: Bending, points 16 to 17
23 to 25
Thermal Diffusivity, mm2/s 13
6.3
Thermal Shock Resistance, points 12 to 14
26 to 29