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ACI-ASTM CA40 Steel vs. S35000 Stainless Steel

Both ACI-ASTM CA40 steel and S35000 stainless steel are iron alloys. They have 89% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is ACI-ASTM CA40 steel and the bottom bar is S35000 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 10
2.3 to 14
Fatigue Strength, MPa 460
380 to 520
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
78
Tensile Strength: Ultimate (UTS), MPa 910
1300 to 1570
Tensile Strength: Yield (Proof), MPa 860
660 to 1160

Thermal Properties

Latent Heat of Fusion, J/g 280
280
Maximum Temperature: Corrosion, °C 390
410
Maximum Temperature: Mechanical, °C 750
900
Melting Completion (Liquidus), °C 1440
1460
Melting Onset (Solidus), °C 1500
1410
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 25
16
Thermal Expansion, µm/m-K 10
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.0
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 3.5
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 7.5
14
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.0
3.2
Embodied Energy, MJ/kg 28
44
Embodied Water, L/kg 100
130

Common Calculations

PREN (Pitting Resistance) 14
28
Resilience: Ultimate (Unit Rupture Work), MJ/m3 89
28 to 170
Resilience: Unit (Modulus of Resilience), kJ/m3 1910
1070 to 3360
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 33
46 to 56
Strength to Weight: Bending, points 27
34 to 38
Thermal Diffusivity, mm2/s 6.7
4.4
Thermal Shock Resistance, points 33
42 to 51

Alloy Composition

Carbon (C), % 0.2 to 0.4
0.070 to 0.11
Chromium (Cr), % 11.5 to 14
16 to 17
Iron (Fe), % 81.5 to 88.3
72.7 to 76.9
Manganese (Mn), % 0 to 1.0
0.5 to 1.3
Molybdenum (Mo), % 0 to 0.5
2.5 to 3.2
Nickel (Ni), % 0 to 1.0
4.0 to 5.0
Nitrogen (N), % 0
0.070 to 0.13
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.5
0 to 0.5
Sulfur (S), % 0 to 0.040
0 to 0.030