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ASTM A209 Steel vs. AISI 415 Stainless Steel

Both ASTM A209 steel and AISI 415 stainless steel are iron alloys. There are 31 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is ASTM A209 steel and the bottom bar is AISI 415 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140 to 150
260
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 34
17
Fatigue Strength, MPa 180 to 200
430
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
76
Shear Strength, MPa 280 to 310
550
Tensile Strength: Ultimate (UTS), MPa 420 to 460
900
Tensile Strength: Yield (Proof), MPa 220 to 250
700

Thermal Properties

Latent Heat of Fusion, J/g 250
270
Maximum Temperature: Mechanical, °C 410
780
Melting Completion (Liquidus), °C 1470
1450
Melting Onset (Solidus), °C 1420 to 1430
1400
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 50
24
Thermal Expansion, µm/m-K 13
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.1
2.7
Electrical Conductivity: Equal Weight (Specific), % IACS 8.1 to 8.2
3.1

Otherwise Unclassified Properties

Base Metal Price, % relative 2.4
11
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 1.5
2.5
Embodied Energy, MJ/kg 20
35
Embodied Water, L/kg 47
110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120 to 130
140
Resilience: Unit (Modulus of Resilience), kJ/m3 130 to 170
1250
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 15 to 16
32
Strength to Weight: Bending, points 16 to 17
26
Thermal Diffusivity, mm2/s 13
6.4
Thermal Shock Resistance, points 12 to 14
33