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ACI-ASTM CA15M Steel vs. EN 1.4002 Stainless Steel

Both ACI-ASTM CA15M steel and EN 1.4002 stainless steel are iron alloys. They have a very high 99% 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 CA15M steel and the bottom bar is EN 1.4002 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 20
19
Fatigue Strength, MPa 330
160
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
76
Tensile Strength: Ultimate (UTS), MPa 690
500
Tensile Strength: Yield (Proof), MPa 510
260

Thermal Properties

Latent Heat of Fusion, J/g 270
280
Maximum Temperature: Corrosion, °C 390
390
Maximum Temperature: Mechanical, °C 760
760
Melting Completion (Liquidus), °C 1450
1440
Melting Onset (Solidus), °C 1410
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 27
30
Thermal Expansion, µm/m-K 10
10

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
7.0
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 2.1
1.9
Embodied Energy, MJ/kg 29
27
Embodied Water, L/kg 100
100

Common Calculations

PREN (Pitting Resistance) 15
13
Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
80
Resilience: Unit (Modulus of Resilience), kJ/m3 670
170
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 25
18
Strength to Weight: Bending, points 22
18
Thermal Diffusivity, mm2/s 7.2
8.1
Thermal Shock Resistance, points 25
18

Alloy Composition

Aluminum (Al), % 0
0.1 to 0.3
Carbon (C), % 0 to 0.15
0 to 0.080
Chromium (Cr), % 11.5 to 14
12 to 14
Iron (Fe), % 82.1 to 88.4
83.6 to 87.9
Manganese (Mn), % 0 to 1.0
0 to 1.0
Molybdenum (Mo), % 0.15 to 1.0
0
Nickel (Ni), % 0 to 1.0
0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 0.65
0 to 1.0
Sulfur (S), % 0 to 0.040
0 to 0.015