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EN 1.4962 Stainless Steel vs. ACI-ASTM CK20 Steel

Both EN 1.4962 stainless steel and ACI-ASTM CK20 steel are iron alloys. They have 83% 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 EN 1.4962 stainless steel and the bottom bar is ACI-ASTM CK20 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190 to 210
150
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 22 to 34
37
Fatigue Strength, MPa 210 to 330
220
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
78
Tensile Strength: Ultimate (UTS), MPa 630 to 690
530
Tensile Strength: Yield (Proof), MPa 260 to 490
260

Thermal Properties

Latent Heat of Fusion, J/g 280
310
Maximum Temperature: Corrosion, °C 510
440
Maximum Temperature: Mechanical, °C 910
1100
Melting Completion (Liquidus), °C 1480
1400
Melting Onset (Solidus), °C 1440
1430
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 14
14
Thermal Expansion, µm/m-K 16
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
2.3

Otherwise Unclassified Properties

Base Metal Price, % relative 23
25
Density, g/cm3 8.1
7.8
Embodied Carbon, kg CO2/kg material 4.1
4.4
Embodied Energy, MJ/kg 59
62
Embodied Water, L/kg 150
190

Common Calculations

PREN (Pitting Resistance) 21
26
Resilience: Ultimate (Unit Rupture Work), MJ/m3 140 to 170
160
Resilience: Unit (Modulus of Resilience), kJ/m3 170 to 610
170
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 21 to 24
19
Strength to Weight: Bending, points 20 to 21
19
Thermal Diffusivity, mm2/s 3.7
3.7
Thermal Shock Resistance, points 14 to 16
13

Alloy Composition

Boron (B), % 0.0015 to 0.0060
0
Carbon (C), % 0.070 to 0.15
0 to 0.2
Chromium (Cr), % 15.5 to 17.5
23 to 27
Iron (Fe), % 62.1 to 69
46.7 to 58
Manganese (Mn), % 0 to 1.5
0 to 2.0
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 12.5 to 14.5
19 to 22
Phosphorus (P), % 0 to 0.035
0 to 0.040
Silicon (Si), % 0 to 0.5
0 to 2.0
Sulfur (S), % 0 to 0.015
0 to 0.040
Titanium (Ti), % 0.4 to 0.7
0
Tungsten (W), % 2.5 to 3.0
0