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EN 1.4872 Stainless Steel vs. ACI-ASTM CA6NM Steel

Both EN 1.4872 stainless steel and ACI-ASTM CA6NM steel are iron alloys. They have 76% of their average alloy composition in common. There are 32 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 EN 1.4872 stainless steel and the bottom bar is ACI-ASTM CA6NM steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 270
250
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 28
17
Fatigue Strength, MPa 410
380
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 79
76
Tensile Strength: Ultimate (UTS), MPa 950
850
Tensile Strength: Yield (Proof), MPa 560
620

Thermal Properties

Latent Heat of Fusion, J/g 300
280
Maximum Temperature: Corrosion, °C 440
390
Maximum Temperature: Mechanical, °C 1150
770
Melting Completion (Liquidus), °C 1390
1450
Melting Onset (Solidus), °C 1340
1400
Specific Heat Capacity, J/kg-K 490
480
Thermal Conductivity, W/m-K 15
25
Thermal Expansion, µm/m-K 16
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
2.8
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
3.2

Otherwise Unclassified Properties

Base Metal Price, % relative 17
10
Density, g/cm3 7.6
7.8
Embodied Carbon, kg CO2/kg material 3.3
2.5
Embodied Energy, MJ/kg 47
34
Embodied Water, L/kg 180
110

Common Calculations

PREN (Pitting Resistance) 30
15
Resilience: Ultimate (Unit Rupture Work), MJ/m3 230
130
Resilience: Unit (Modulus of Resilience), kJ/m3 780
1000
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 26
25
Strength to Weight: Axial, points 35
30
Strength to Weight: Bending, points 28
26
Thermal Diffusivity, mm2/s 3.9
6.7
Thermal Shock Resistance, points 21
31

Alloy Composition

Carbon (C), % 0.2 to 0.3
0 to 0.060
Chromium (Cr), % 24 to 26
11.5 to 14
Iron (Fe), % 54.2 to 61.6
78.4 to 84.6
Manganese (Mn), % 8.0 to 10
0 to 1.0
Molybdenum (Mo), % 0
0.4 to 1.0
Nickel (Ni), % 6.0 to 8.0
3.5 to 4.5
Nitrogen (N), % 0.2 to 0.4
0
Phosphorus (P), % 0 to 0.045
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.030