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S32550 Stainless Steel vs. ASTM A202 Steel

Both S32550 stainless steel and ASTM A202 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 S32550 stainless steel and the bottom bar is ASTM A202 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 260
180 to 200
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 21
17 to 18
Fatigue Strength, MPa 400
240
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 80
73
Shear Strength, MPa 540
360 to 410
Tensile Strength: Ultimate (UTS), MPa 860
590 to 670
Tensile Strength: Yield (Proof), MPa 620
350 to 360

Thermal Properties

Latent Heat of Fusion, J/g 300
260
Maximum Temperature: Mechanical, °C 1100
410
Melting Completion (Liquidus), °C 1440
1450
Melting Onset (Solidus), °C 1390
1410
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 16
52
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 20
2.1
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 3.8
1.4
Embodied Energy, MJ/kg 53
19
Embodied Water, L/kg 180
49

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 160
93 to 96
Resilience: Unit (Modulus of Resilience), kJ/m3 940
330 to 350
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 31
21 to 24
Strength to Weight: Bending, points 26
20 to 22
Thermal Diffusivity, mm2/s 4.4
14
Thermal Shock Resistance, points 23
17 to 20