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S34565 Stainless Steel vs. ACI-ASTM CA15M Steel

Both S34565 stainless steel and ACI-ASTM CA15M steel are iron alloys. They have 62% of their average alloy composition in common. There are 33 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 S34565 stainless steel and the bottom bar is ACI-ASTM CA15M steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200
210
Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 39
20
Fatigue Strength, MPa 400
330
Poisson's Ratio 0.28
0.28
Reduction in Area, % 45
34
Shear Modulus, GPa 80
76
Tensile Strength: Ultimate (UTS), MPa 900
690
Tensile Strength: Yield (Proof), MPa 470
510

Thermal Properties

Latent Heat of Fusion, J/g 310
270
Maximum Temperature: Corrosion, °C 450
390
Maximum Temperature: Mechanical, °C 1100
760
Melting Completion (Liquidus), °C 1420
1450
Melting Onset (Solidus), °C 1380
1410
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 12
27
Thermal Expansion, µm/m-K 15
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.9
3.0
Electrical Conductivity: Equal Weight (Specific), % IACS 2.1
3.5

Otherwise Unclassified Properties

Base Metal Price, % relative 28
7.5
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 5.3
2.1
Embodied Energy, MJ/kg 73
29
Embodied Water, L/kg 210
100

Common Calculations

PREN (Pitting Resistance) 47
15
Resilience: Ultimate (Unit Rupture Work), MJ/m3 300
130
Resilience: Unit (Modulus of Resilience), kJ/m3 540
670
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 32
25
Strength to Weight: Bending, points 26
22
Thermal Diffusivity, mm2/s 3.2
7.2
Thermal Shock Resistance, points 22
25

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.15
Chromium (Cr), % 23 to 25
11.5 to 14
Iron (Fe), % 43.2 to 51.6
82.1 to 88.4
Manganese (Mn), % 5.0 to 7.0
0 to 1.0
Molybdenum (Mo), % 4.0 to 5.0
0.15 to 1.0
Nickel (Ni), % 16 to 18
0 to 1.0
Niobium (Nb), % 0 to 0.1
0
Nitrogen (N), % 0.4 to 0.6
0
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 0.65
Sulfur (S), % 0 to 0.010
0 to 0.040