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AISI 312 Stainless Steel vs. ASTM A217 Cast Steel

Both AISI 312 stainless steel and ASTM A217 cast steel are iron alloys. There are 32 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 AISI 312 stainless steel and the bottom bar is ASTM A217 cast steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 250
160 to 210
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 28
21 to 27
Fatigue Strength, MPa 370
200 to 320
Poisson's Ratio 0.27
0.28 to 0.29
Reduction in Area, % 56
39 to 50
Shear Modulus, GPa 80
73 to 75
Tensile Strength: Ultimate (UTS), MPa 780
540 to 710
Tensile Strength: Yield (Proof), MPa 510
270 to 460

Thermal Properties

Latent Heat of Fusion, J/g 300
250 to 270
Maximum Temperature: Mechanical, °C 1100
410 to 600
Melting Completion (Liquidus), °C 1430
1450 to 1460
Melting Onset (Solidus), °C 1390
1410 to 1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 16
26 to 50
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
7.3 to 9.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
8.4 to 11

Otherwise Unclassified Properties

Base Metal Price, % relative 17
2.4 to 7.0
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 3.4
1.5 to 2.1
Embodied Energy, MJ/kg 48
20 to 28
Embodied Water, L/kg 170
47 to 87

Common Calculations

PREN (Pitting Resistance) 33
2.5 to 13
Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
110 to 130
Resilience: Unit (Modulus of Resilience), kJ/m3 640
190 to 570
Stiffness to Weight: Axial, points 15
13 to 14
Stiffness to Weight: Bending, points 25
24 to 25
Strength to Weight: Axial, points 28
19 to 25
Strength to Weight: Bending, points 24
19 to 23
Thermal Diffusivity, mm2/s 4.3
6.9 to 14
Thermal Shock Resistance, points 21
16 to 20