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EN 1.4567 Stainless Steel vs. ACI-ASTM CK20 Steel

Both EN 1.4567 stainless steel and ACI-ASTM CK20 steel are iron alloys. They have 81% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is EN 1.4567 stainless steel and the bottom bar is ACI-ASTM CK20 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190 to 240
150
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 22 to 51
37
Fatigue Strength, MPa 190 to 260
220
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
78
Tensile Strength: Ultimate (UTS), MPa 550 to 780
530
Tensile Strength: Yield (Proof), MPa 200 to 390
260

Thermal Properties

Latent Heat of Fusion, J/g 290
310
Maximum Temperature: Corrosion, °C 420
440
Maximum Temperature: Mechanical, °C 930
1100
Melting Completion (Liquidus), °C 1410
1400
Melting Onset (Solidus), °C 1370
1430
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 11
14
Thermal Expansion, µm/m-K 17
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
2.3

Otherwise Unclassified Properties

Base Metal Price, % relative 16
25
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 3.1
4.4
Embodied Energy, MJ/kg 43
62
Embodied Water, L/kg 150
190

Common Calculations

PREN (Pitting Resistance) 19
26
Resilience: Ultimate (Unit Rupture Work), MJ/m3 150 to 220
160
Resilience: Unit (Modulus of Resilience), kJ/m3 100 to 400
170
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 19 to 27
19
Strength to Weight: Bending, points 19 to 24
19
Thermal Diffusivity, mm2/s 3.0
3.7
Thermal Shock Resistance, points 12 to 17
13

Alloy Composition

Carbon (C), % 0 to 0.040
0 to 0.2
Chromium (Cr), % 17 to 19
23 to 27
Copper (Cu), % 3.0 to 4.0
0
Iron (Fe), % 63.3 to 71.5
46.7 to 58
Manganese (Mn), % 0 to 2.0
0 to 2.0
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 8.5 to 10.5
19 to 22
Nitrogen (N), % 0 to 0.1
0
Phosphorus (P), % 0 to 0.045
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 2.0
Sulfur (S), % 0 to 0.015
0 to 0.040