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AISI 422 Stainless Steel vs. ASTM A285 Carbon Steel

Both AISI 422 stainless steel and ASTM A285 carbon steel are iron alloys. There are 31 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is AISI 422 stainless steel and the bottom bar is ASTM A285 carbon steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 260 to 330
110 to 130
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 15 to 17
30 to 34
Fatigue Strength, MPa 410 to 500
150 to 180
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
73
Shear Strength, MPa 560 to 660
250 to 290
Tensile Strength: Ultimate (UTS), MPa 910 to 1080
380 to 450
Tensile Strength: Yield (Proof), MPa 670 to 870
190 to 230

Thermal Properties

Latent Heat of Fusion, J/g 270
250
Maximum Temperature: Mechanical, °C 650
400
Melting Completion (Liquidus), °C 1480
1470
Melting Onset (Solidus), °C 1470
1420 to 1430
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 24
53
Thermal Expansion, µm/m-K 10
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 4.7
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 5.3
8.0

Otherwise Unclassified Properties

Base Metal Price, % relative 11
1.8
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 3.1
1.4
Embodied Energy, MJ/kg 44
18
Embodied Water, L/kg 100
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 140 to 150
110
Resilience: Unit (Modulus of Resilience), kJ/m3 1140 to 1910
94 to 150
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 32 to 38
13 to 16
Strength to Weight: Bending, points 26 to 30
15 to 17
Thermal Diffusivity, mm2/s 6.4
14
Thermal Shock Resistance, points 33 to 39
12 to 14