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ACI-ASTM CA15 Steel vs. S30615 Stainless Steel

Both ACI-ASTM CA15 steel and S30615 stainless steel are iron alloys. They have 76% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is ACI-ASTM CA15 steel and the bottom bar is S30615 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 220
190
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 21
39
Fatigue Strength, MPa 370
270
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
75
Tensile Strength: Ultimate (UTS), MPa 700
690
Tensile Strength: Yield (Proof), MPa 570
310

Thermal Properties

Latent Heat of Fusion, J/g 280
340
Maximum Temperature: Corrosion, °C 390
410
Maximum Temperature: Mechanical, °C 750
960
Melting Completion (Liquidus), °C 1440
1370
Melting Onset (Solidus), °C 1500
1320
Specific Heat Capacity, J/kg-K 480
500
Thermal Conductivity, W/m-K 25
14
Thermal Expansion, µm/m-K 10
16

Otherwise Unclassified Properties

Base Metal Price, % relative 7.5
19
Density, g/cm3 7.7
7.6
Embodied Carbon, kg CO2/kg material 2.0
3.7
Embodied Energy, MJ/kg 28
53
Embodied Water, L/kg 100
170

Common Calculations

PREN (Pitting Resistance) 14
18
Resilience: Ultimate (Unit Rupture Work), MJ/m3 140
220
Resilience: Unit (Modulus of Resilience), kJ/m3 820
260
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 25
25
Strength to Weight: Bending, points 23
23
Thermal Diffusivity, mm2/s 6.7
3.7
Thermal Shock Resistance, points 26
16

Alloy Composition

Aluminum (Al), % 0
0.8 to 1.5
Carbon (C), % 0 to 0.15
0.16 to 0.24
Chromium (Cr), % 11.5 to 14
17 to 19.5
Iron (Fe), % 81.8 to 88.5
56.7 to 65.3
Manganese (Mn), % 0 to 1.0
0 to 2.0
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 0 to 1.0
13.5 to 16
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 1.5
3.2 to 4.0
Sulfur (S), % 0 to 0.040
0 to 0.030