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ACI-ASTM CK20 Steel vs. EN 1.4713 Stainless Steel

Both ACI-ASTM CK20 steel and EN 1.4713 stainless steel are iron alloys. They have 61% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is ACI-ASTM CK20 steel and the bottom bar is EN 1.4713 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150
170
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 37
20
Fatigue Strength, MPa 220
160
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 78
74
Tensile Strength: Ultimate (UTS), MPa 530
520
Tensile Strength: Yield (Proof), MPa 260
250

Thermal Properties

Latent Heat of Fusion, J/g 310
270
Maximum Temperature: Corrosion, °C 440
370
Maximum Temperature: Mechanical, °C 1100
800
Melting Completion (Liquidus), °C 1400
1440
Melting Onset (Solidus), °C 1430
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 14
23
Thermal Expansion, µm/m-K 15
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
2.5
Electrical Conductivity: Equal Weight (Specific), % IACS 2.3
2.9

Otherwise Unclassified Properties

Base Metal Price, % relative 25
4.6
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 4.4
1.7
Embodied Energy, MJ/kg 62
24
Embodied Water, L/kg 190
84

Common Calculations

PREN (Pitting Resistance) 26
7.0
Resilience: Ultimate (Unit Rupture Work), MJ/m3 160
84
Resilience: Unit (Modulus of Resilience), kJ/m3 170
160
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 19
19
Strength to Weight: Bending, points 19
19
Thermal Diffusivity, mm2/s 3.7
6.2
Thermal Shock Resistance, points 13
18

Alloy Composition

Aluminum (Al), % 0
0.5 to 1.0
Carbon (C), % 0 to 0.2
0 to 0.12
Chromium (Cr), % 23 to 27
6.0 to 8.0
Iron (Fe), % 46.7 to 58
88.8 to 93
Manganese (Mn), % 0 to 2.0
0 to 1.0
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 19 to 22
0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 2.0
0.5 to 1.0
Sulfur (S), % 0 to 0.040
0 to 0.015