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ACI-ASTM CA15M Steel vs. S36200 Stainless Steel

Both ACI-ASTM CA15M steel and S36200 stainless steel are iron alloys. They have a moderately high 91% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is ACI-ASTM CA15M steel and the bottom bar is S36200 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 20
3.4 to 4.6
Fatigue Strength, MPa 330
450 to 570
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
76
Tensile Strength: Ultimate (UTS), MPa 690
1180 to 1410
Tensile Strength: Yield (Proof), MPa 510
960 to 1240

Thermal Properties

Latent Heat of Fusion, J/g 270
280
Maximum Temperature: Corrosion, °C 390
530
Maximum Temperature: Mechanical, °C 760
820
Melting Completion (Liquidus), °C 1450
1440
Melting Onset (Solidus), °C 1410
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 27
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
12
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 2.1
2.8
Embodied Energy, MJ/kg 29
40
Embodied Water, L/kg 100
120

Common Calculations

PREN (Pitting Resistance) 15
15
Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
46 to 51
Resilience: Unit (Modulus of Resilience), kJ/m3 670
2380 to 3930
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 25
42 to 50
Strength to Weight: Bending, points 22
32 to 36
Thermal Diffusivity, mm2/s 7.2
4.3
Thermal Shock Resistance, points 25
40 to 48

Alloy Composition

Aluminum (Al), % 0
0 to 0.1
Carbon (C), % 0 to 0.15
0 to 0.050
Chromium (Cr), % 11.5 to 14
14 to 14.5
Iron (Fe), % 82.1 to 88.4
75.4 to 79.5
Manganese (Mn), % 0 to 1.0
0 to 0.5
Molybdenum (Mo), % 0.15 to 1.0
0 to 0.3
Nickel (Ni), % 0 to 1.0
6.5 to 7.0
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 0.65
0 to 0.3
Sulfur (S), % 0 to 0.040
0 to 0.030
Titanium (Ti), % 0
0.6 to 0.9