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ASTM A414 Steel vs. S21603 Stainless Steel

Both ASTM A414 steel and S21603 stainless 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 ASTM A414 steel and the bottom bar is S21603 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 110 to 180
200
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 15 to 26
45
Fatigue Strength, MPa 140 to 260
360
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
79
Shear Strength, MPa 230 to 370
490
Tensile Strength: Ultimate (UTS), MPa 360 to 590
690
Tensile Strength: Yield (Proof), MPa 190 to 350
390

Thermal Properties

Latent Heat of Fusion, J/g 250
290
Maximum Temperature: Mechanical, °C 400
990
Melting Completion (Liquidus), °C 1460
1420
Melting Onset (Solidus), °C 1420
1380
Specific Heat Capacity, J/kg-K 470
480
Thermal Expansion, µm/m-K 13
17

Otherwise Unclassified Properties

Base Metal Price, % relative 2.2
17
Density, g/cm3 7.8 to 7.9
7.7
Embodied Carbon, kg CO2/kg material 1.5 to 1.6
3.6
Embodied Energy, MJ/kg 20 to 22
50
Embodied Water, L/kg 48
160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 69 to 130
270
Resilience: Unit (Modulus of Resilience), kJ/m3 100 to 330
380
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 13 to 21
25
Strength to Weight: Bending, points 14 to 20
22
Thermal Shock Resistance, points 11 to 17
15