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S31727 Stainless Steel vs. ASTM A414 Steel

Both S31727 stainless steel and ASTM A414 steel are iron alloys. There are 27 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is S31727 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 240
140 to 260
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 78
73
Shear Strength, MPa 430
230 to 370
Tensile Strength: Ultimate (UTS), MPa 630
360 to 590
Tensile Strength: Yield (Proof), MPa 270
190 to 350

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 1010
400
Melting Completion (Liquidus), °C 1440
1460
Melting Onset (Solidus), °C 1390
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Expansion, µm/m-K 16
13

Otherwise Unclassified Properties

Base Metal Price, % relative 24
2.2
Density, g/cm3 8.0
7.8 to 7.9
Embodied Carbon, kg CO2/kg material 4.7
1.5 to 1.6
Embodied Energy, MJ/kg 64
20 to 22
Embodied Water, L/kg 180
48

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 200
69 to 130
Resilience: Unit (Modulus of Resilience), kJ/m3 190
100 to 330
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 22
13 to 21
Strength to Weight: Bending, points 20
14 to 20
Thermal Shock Resistance, points 14
11 to 17