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S20910 Stainless Steel vs. ASTM A217 Cast Steel

Both S20910 stainless steel and ASTM A217 cast steel are iron alloys. There are 30 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 S20910 stainless steel and the bottom bar is ASTM A217 cast steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 230 to 290
160 to 210
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 14 to 39
21 to 27
Fatigue Strength, MPa 310 to 460
200 to 320
Poisson's Ratio 0.28
0.28 to 0.29
Reduction in Area, % 56 to 62
39 to 50
Shear Modulus, GPa 79
73 to 75
Tensile Strength: Ultimate (UTS), MPa 780 to 940
540 to 710
Tensile Strength: Yield (Proof), MPa 430 to 810
270 to 460

Thermal Properties

Latent Heat of Fusion, J/g 300
250 to 270
Maximum Temperature: Mechanical, °C 1080
410 to 600
Melting Completion (Liquidus), °C 1420
1450 to 1460
Melting Onset (Solidus), °C 1380
1410 to 1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 13
26 to 50
Thermal Expansion, µm/m-K 16
13

Otherwise Unclassified Properties

Base Metal Price, % relative 22
2.4 to 7.0
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 4.8
1.5 to 2.1
Embodied Energy, MJ/kg 68
20 to 28
Embodied Water, L/kg 180
47 to 87

Common Calculations

PREN (Pitting Resistance) 34
2.5 to 13
Resilience: Ultimate (Unit Rupture Work), MJ/m3 120 to 260
110 to 130
Resilience: Unit (Modulus of Resilience), kJ/m3 460 to 1640
190 to 570
Stiffness to Weight: Axial, points 14
13 to 14
Stiffness to Weight: Bending, points 25
24 to 25
Strength to Weight: Axial, points 28 to 33
19 to 25
Strength to Weight: Bending, points 24 to 27
19 to 23
Thermal Diffusivity, mm2/s 3.6
6.9 to 14
Thermal Shock Resistance, points 17 to 21
16 to 20