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S33228 Stainless Steel vs. ACI-ASTM CK20 Steel

Both S33228 stainless steel and ACI-ASTM CK20 steel are iron alloys. They have 86% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is S33228 stainless steel and the bottom bar is ACI-ASTM CK20 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
150
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 34
37
Fatigue Strength, MPa 170
220
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 79
78
Tensile Strength: Ultimate (UTS), MPa 570
530
Tensile Strength: Yield (Proof), MPa 210
260

Thermal Properties

Latent Heat of Fusion, J/g 310
310
Maximum Temperature: Corrosion, °C 560
440
Maximum Temperature: Mechanical, °C 1100
1100
Melting Completion (Liquidus), °C 1410
1400
Melting Onset (Solidus), °C 1360
1430
Specific Heat Capacity, J/kg-K 470
480
Thermal Expansion, µm/m-K 16
15

Otherwise Unclassified Properties

Base Metal Price, % relative 37
25
Density, g/cm3 8.0
7.8
Embodied Carbon, kg CO2/kg material 6.2
4.4
Embodied Energy, MJ/kg 89
62
Embodied Water, L/kg 220
190

Common Calculations

PREN (Pitting Resistance) 27
26
Resilience: Ultimate (Unit Rupture Work), MJ/m3 150
160
Resilience: Unit (Modulus of Resilience), kJ/m3 110
170
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 20
19
Strength to Weight: Bending, points 19
19
Thermal Shock Resistance, points 13
13

Alloy Composition

Aluminum (Al), % 0 to 0.025
0
Carbon (C), % 0.040 to 0.080
0 to 0.2
Cerium (Ce), % 0.050 to 0.1
0
Chromium (Cr), % 26 to 28
23 to 27
Iron (Fe), % 36.5 to 42.3
46.7 to 58
Manganese (Mn), % 0 to 1.0
0 to 2.0
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 31 to 33
19 to 22
Niobium (Nb), % 0.6 to 1.0
0
Phosphorus (P), % 0 to 0.020
0 to 0.040
Silicon (Si), % 0 to 0.3
0 to 2.0
Sulfur (S), % 0 to 0.015
0 to 0.040