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S33550 Stainless Steel vs. ASTM A414 Steel

Both S33550 stainless steel and ASTM A414 steel are iron alloys. There are 31 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 S33550 stainless steel and the bottom bar is ASTM A414 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
110 to 180
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 40
15 to 26
Fatigue Strength, MPa 270
140 to 260
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 79
73
Shear Strength, MPa 470
230 to 370
Tensile Strength: Ultimate (UTS), MPa 680
360 to 590
Tensile Strength: Yield (Proof), MPa 310
190 to 350

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Maximum Temperature: Mechanical, °C 1100
400
Melting Completion (Liquidus), °C 1400
1460
Melting Onset (Solidus), °C 1360
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
49 to 50
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
7.2 to 7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
8.3 to 8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 24
2.2
Density, g/cm3 7.8
7.8 to 7.9
Embodied Carbon, kg CO2/kg material 4.3
1.5 to 1.6
Embodied Energy, MJ/kg 61
20 to 22
Embodied Water, L/kg 190
48

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 220
69 to 130
Resilience: Unit (Modulus of Resilience), kJ/m3 250
100 to 330
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 24
13 to 21
Strength to Weight: Bending, points 22
14 to 20
Thermal Diffusivity, mm2/s 3.9
13
Thermal Shock Resistance, points 15
11 to 17