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S35125 Stainless Steel vs. ACI-ASTM CA15M Steel

Both S35125 stainless steel and ACI-ASTM CA15M steel are iron alloys. They have 56% 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 S35125 stainless steel and the bottom bar is ACI-ASTM CA15M steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 39
20
Fatigue Strength, MPa 200
330
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 78
76
Tensile Strength: Ultimate (UTS), MPa 540
690
Tensile Strength: Yield (Proof), MPa 230
510

Thermal Properties

Latent Heat of Fusion, J/g 300
270
Maximum Temperature: Corrosion, °C 490
390
Maximum Temperature: Mechanical, °C 1100
760
Melting Completion (Liquidus), °C 1430
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 16
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
3.0
Electrical Conductivity: Equal Weight (Specific), % IACS 1.9
3.5

Otherwise Unclassified Properties

Base Metal Price, % relative 36
7.5
Density, g/cm3 8.1
7.8
Embodied Carbon, kg CO2/kg material 6.4
2.1
Embodied Energy, MJ/kg 89
29
Embodied Water, L/kg 210
100

Common Calculations

PREN (Pitting Resistance) 30
15
Resilience: Ultimate (Unit Rupture Work), MJ/m3 170
130
Resilience: Unit (Modulus of Resilience), kJ/m3 140
670
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 19
25
Strength to Weight: Bending, points 18
22
Thermal Diffusivity, mm2/s 3.1
7.2
Thermal Shock Resistance, points 12
25

Alloy Composition

Carbon (C), % 0 to 0.1
0 to 0.15
Chromium (Cr), % 20 to 23
11.5 to 14
Iron (Fe), % 36.2 to 45.8
82.1 to 88.4
Manganese (Mn), % 1.0 to 1.5
0 to 1.0
Molybdenum (Mo), % 2.0 to 3.0
0.15 to 1.0
Nickel (Ni), % 31 to 35
0 to 1.0
Niobium (Nb), % 0.25 to 0.6
0
Phosphorus (P), % 0 to 0.045
0 to 0.040
Silicon (Si), % 0 to 0.5
0 to 0.65
Sulfur (S), % 0 to 0.015
0 to 0.040