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EN 1.4122 Stainless Steel vs. ASTM A217 Cast Steel

Both EN 1.4122 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 EN 1.4122 stainless steel and the bottom bar is ASTM A217 cast steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 14
21 to 27
Fatigue Strength, MPa 260 to 360
200 to 320
Poisson's Ratio 0.28
0.28 to 0.29
Shear Modulus, GPa 77
73 to 75
Tensile Strength: Ultimate (UTS), MPa 790 to 850
540 to 710
Tensile Strength: Yield (Proof), MPa 450 to 630
270 to 460

Thermal Properties

Latent Heat of Fusion, J/g 280
250 to 270
Maximum Temperature: Mechanical, °C 870
410 to 600
Melting Completion (Liquidus), °C 1440
1450 to 1460
Melting Onset (Solidus), °C 1400
1410 to 1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
26 to 50
Thermal Expansion, µm/m-K 10
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
7.3 to 9.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
8.4 to 11

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
2.4 to 7.0
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.4
1.5 to 2.1
Embodied Energy, MJ/kg 33
20 to 28
Embodied Water, L/kg 120
47 to 87

Common Calculations

PREN (Pitting Resistance) 20
2.5 to 13
Resilience: Ultimate (Unit Rupture Work), MJ/m3 93 to 110
110 to 130
Resilience: Unit (Modulus of Resilience), kJ/m3 520 to 1000
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 31
19 to 25
Strength to Weight: Bending, points 25 to 26
19 to 23
Thermal Diffusivity, mm2/s 4.0
6.9 to 14
Thermal Shock Resistance, points 28 to 30
16 to 20