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ACI-ASTM CA6NM Steel vs. EN 1.4913 Stainless Steel

Both ACI-ASTM CA6NM steel and EN 1.4913 stainless steel are iron alloys. They have a moderately high 94% 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 CA6NM steel and the bottom bar is EN 1.4913 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 17
14 to 22
Fatigue Strength, MPa 380
320 to 480
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
75
Tensile Strength: Ultimate (UTS), MPa 850
870 to 980
Tensile Strength: Yield (Proof), MPa 620
480 to 850

Thermal Properties

Latent Heat of Fusion, J/g 280
270
Maximum Temperature: Corrosion, °C 390
430
Maximum Temperature: Mechanical, °C 770
700
Melting Completion (Liquidus), °C 1450
1460
Melting Onset (Solidus), °C 1400
1410
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 25
24
Thermal Expansion, µm/m-K 10
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.8
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 3.2
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 10
9.0
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 2.5
2.9
Embodied Energy, MJ/kg 34
41
Embodied Water, L/kg 110
97

Common Calculations

PREN (Pitting Resistance) 15
14
Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
130 to 160
Resilience: Unit (Modulus of Resilience), kJ/m3 1000
600 to 1860
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 30
31 to 35
Strength to Weight: Bending, points 26
26 to 28
Thermal Diffusivity, mm2/s 6.7
6.5
Thermal Shock Resistance, points 31
31 to 34

Alloy Composition

Aluminum (Al), % 0
0 to 0.020
Boron (B), % 0
0 to 0.0015
Carbon (C), % 0 to 0.060
0.17 to 0.23
Chromium (Cr), % 11.5 to 14
10 to 11.5
Iron (Fe), % 78.4 to 84.6
84.5 to 88.3
Manganese (Mn), % 0 to 1.0
0.4 to 0.9
Molybdenum (Mo), % 0.4 to 1.0
0.5 to 0.8
Nickel (Ni), % 3.5 to 4.5
0.2 to 0.6
Niobium (Nb), % 0
0.25 to 0.55
Nitrogen (N), % 0
0.050 to 0.1
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0 to 1.0
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.015
Vanadium (V), % 0
0.1 to 0.3