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S21603 Stainless Steel vs. ASTM A27 Cast Steel

Both S21603 stainless steel and ASTM A27 cast steel are iron alloys. There are 26 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is S21603 stainless steel and the bottom bar is ASTM A27 cast steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 45
25 to 27
Fatigue Strength, MPa 360
170 to 230
Poisson's Ratio 0.28
0.29
Reduction in Area, % 57
34 to 40
Shear Modulus, GPa 79
73
Tensile Strength: Ultimate (UTS), MPa 690
460 to 550
Tensile Strength: Yield (Proof), MPa 390
230 to 310

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 990
400
Melting Completion (Liquidus), °C 1420
1460
Melting Onset (Solidus), °C 1380
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Expansion, µm/m-K 17
12

Otherwise Unclassified Properties

Base Metal Price, % relative 17
1.8
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 3.6
1.4
Embodied Energy, MJ/kg 50
18
Embodied Water, L/kg 160
45 to 46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 270
96 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 380
140 to 260
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 25
16 to 20
Strength to Weight: Bending, points 22
17 to 19
Thermal Shock Resistance, points 15
15 to 18