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ASTM A202 Steel vs. S66286 Stainless Steel

Both ASTM A202 steel and S66286 stainless steel are iron alloys. There are 30 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is ASTM A202 steel and the bottom bar is S66286 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 17 to 18
17 to 40
Fatigue Strength, MPa 240
240 to 410
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
75
Shear Strength, MPa 360 to 410
420 to 630
Tensile Strength: Ultimate (UTS), MPa 590 to 670
620 to 1020
Tensile Strength: Yield (Proof), MPa 350 to 360
280 to 670

Thermal Properties

Latent Heat of Fusion, J/g 260
300
Maximum Temperature: Mechanical, °C 410
920
Melting Completion (Liquidus), °C 1450
1430
Melting Onset (Solidus), °C 1410
1370
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 52
15
Thermal Expansion, µm/m-K 13
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
1.9
Electrical Conductivity: Equal Weight (Specific), % IACS 8.4
2.2

Otherwise Unclassified Properties

Base Metal Price, % relative 2.1
26
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 1.4
6.0
Embodied Energy, MJ/kg 19
87
Embodied Water, L/kg 49
170

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 93 to 96
150 to 200
Resilience: Unit (Modulus of Resilience), kJ/m3 330 to 350
190 to 1150
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 21 to 24
22 to 36
Strength to Weight: Bending, points 20 to 22
20 to 28
Thermal Diffusivity, mm2/s 14
4.0
Thermal Shock Resistance, points 17 to 20
13 to 22

Comparable Variants