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ACI-ASTM CH10 Steel vs. S42030 Stainless Steel

Both ACI-ASTM CH10 steel and S42030 stainless steel are iron alloys. They have 75% of their average alloy composition in common. There are 31 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 ACI-ASTM CH10 steel and the bottom bar is S42030 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 34
16
Fatigue Strength, MPa 180
250
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 78
76
Tensile Strength: Ultimate (UTS), MPa 540
670
Tensile Strength: Yield (Proof), MPa 230
410

Thermal Properties

Latent Heat of Fusion, J/g 310
280
Maximum Temperature: Corrosion, °C 440
390
Maximum Temperature: Mechanical, °C 1100
780
Melting Completion (Liquidus), °C 1410
1450
Melting Onset (Solidus), °C 1370
1410
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
28
Thermal Expansion, µm/m-K 16
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
2.7
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
3.1

Otherwise Unclassified Properties

Base Metal Price, % relative 20
10
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 3.7
2.5
Embodied Energy, MJ/kg 53
34
Embodied Water, L/kg 180
110

Common Calculations

PREN (Pitting Resistance) 25
20
Resilience: Ultimate (Unit Rupture Work), MJ/m3 150
92
Resilience: Unit (Modulus of Resilience), kJ/m3 140
440
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 19
24
Strength to Weight: Bending, points 19
22
Thermal Diffusivity, mm2/s 3.9
7.7
Thermal Shock Resistance, points 12
24

Alloy Composition

Carbon (C), % 0 to 0.1
0 to 0.3
Chromium (Cr), % 22 to 26
12 to 14
Copper (Cu), % 0
2.0 to 3.0
Iron (Fe), % 54.8 to 66
77.6 to 85
Manganese (Mn), % 0 to 1.5
0 to 1.0
Molybdenum (Mo), % 0 to 0.5
1.0 to 3.0
Nickel (Ni), % 12 to 15
0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 2.0
0 to 1.0
Sulfur (S), % 0 to 0.040
0 to 0.030