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ACI-ASTM CA15 Steel vs. EN 1.4935 Stainless Steel

Both ACI-ASTM CA15 steel and EN 1.4935 stainless steel are iron alloys. They have a very high 98% 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 CA15 steel and the bottom bar is EN 1.4935 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 21
16 to 18
Fatigue Strength, MPa 370
350 to 400
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
76
Tensile Strength: Ultimate (UTS), MPa 700
780 to 880
Tensile Strength: Yield (Proof), MPa 570
570 to 670

Thermal Properties

Latent Heat of Fusion, J/g 280
270
Maximum Temperature: Corrosion, °C 390
380
Maximum Temperature: Mechanical, °C 750
740
Melting Completion (Liquidus), °C 1440
1460
Melting Onset (Solidus), °C 1500
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 25
24
Thermal Expansion, µm/m-K 10
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.0
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 3.5
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 7.5
9.0
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.0
2.9
Embodied Energy, MJ/kg 28
42
Embodied Water, L/kg 100
100

Common Calculations

PREN (Pitting Resistance) 14
16
Resilience: Ultimate (Unit Rupture Work), MJ/m3 140
130
Resilience: Unit (Modulus of Resilience), kJ/m3 820
830 to 1160
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 25
28 to 31
Strength to Weight: Bending, points 23
24 to 26
Thermal Diffusivity, mm2/s 6.7
6.5
Thermal Shock Resistance, points 26
27 to 30

Alloy Composition

Carbon (C), % 0 to 0.15
0.17 to 0.24
Chromium (Cr), % 11.5 to 14
11 to 12.5
Iron (Fe), % 81.8 to 88.5
83 to 86.7
Manganese (Mn), % 0 to 1.0
0.3 to 0.8
Molybdenum (Mo), % 0 to 0.5
0.8 to 1.2
Nickel (Ni), % 0 to 1.0
0.3 to 0.8
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0 to 1.5
0.1 to 0.5
Sulfur (S), % 0 to 0.040
0 to 0.015
Tungsten (W), % 0
0.4 to 0.6
Vanadium (V), % 0
0.2 to 0.35