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EN 1.4910 Stainless Steel vs. ACI-ASTM CA15 Steel

Both EN 1.4910 stainless steel and ACI-ASTM CA15 steel are iron alloys. They have 80% of their average alloy composition in common. There are 32 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 EN 1.4910 stainless steel and the bottom bar is ACI-ASTM CA15 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200
220
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 41
21
Fatigue Strength, MPa 250
370
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 78
76
Tensile Strength: Ultimate (UTS), MPa 650
700
Tensile Strength: Yield (Proof), MPa 290
570

Thermal Properties

Latent Heat of Fusion, J/g 290
280
Maximum Temperature: Corrosion, °C 410
390
Maximum Temperature: Mechanical, °C 950
750
Melting Completion (Liquidus), °C 1440
1440
Melting Onset (Solidus), °C 1400
1500
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 16
25
Thermal Expansion, µm/m-K 16
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
3.0
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
3.5

Otherwise Unclassified Properties

Base Metal Price, % relative 20
7.5
Density, g/cm3 7.9
7.7
Embodied Carbon, kg CO2/kg material 3.9
2.0
Embodied Energy, MJ/kg 54
28
Embodied Water, L/kg 150
100

Common Calculations

PREN (Pitting Resistance) 27
14
Resilience: Ultimate (Unit Rupture Work), MJ/m3 220
140
Resilience: Unit (Modulus of Resilience), kJ/m3 210
820
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 23
25
Strength to Weight: Bending, points 21
23
Thermal Diffusivity, mm2/s 4.3
6.7
Thermal Shock Resistance, points 14
26

Alloy Composition

Boron (B), % 0.0015 to 0.0050
0
Carbon (C), % 0 to 0.040
0 to 0.15
Chromium (Cr), % 16 to 18
11.5 to 14
Iron (Fe), % 62 to 69.9
81.8 to 88.5
Manganese (Mn), % 0 to 2.0
0 to 1.0
Molybdenum (Mo), % 2.0 to 3.0
0 to 0.5
Nickel (Ni), % 12 to 14
0 to 1.0
Nitrogen (N), % 0.1 to 0.18
0
Phosphorus (P), % 0 to 0.035
0 to 0.040
Silicon (Si), % 0 to 0.75
0 to 1.5
Sulfur (S), % 0 to 0.015
0 to 0.040