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EN 1.4477 Stainless Steel vs. ACI-ASTM CA6N Steel

Both EN 1.4477 stainless steel and ACI-ASTM CA6N steel are iron alloys. They have 79% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is EN 1.4477 stainless steel and the bottom bar is ACI-ASTM CA6N steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
190
Elongation at Break, % 22 to 23
17
Fatigue Strength, MPa 420 to 490
640
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 81
75
Tensile Strength: Ultimate (UTS), MPa 880 to 930
1080
Tensile Strength: Yield (Proof), MPa 620 to 730
1060

Thermal Properties

Latent Heat of Fusion, J/g 300
280
Maximum Temperature: Corrosion, °C 460
390
Maximum Temperature: Mechanical, °C 1100
740
Melting Completion (Liquidus), °C 1430
1440
Melting Onset (Solidus), °C 1380
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 13
23
Thermal Expansion, µm/m-K 13
9.9

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
2.6
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
3.0

Otherwise Unclassified Properties

Base Metal Price, % relative 20
11
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 3.7
2.5
Embodied Energy, MJ/kg 52
35
Embodied Water, L/kg 190
110

Common Calculations

PREN (Pitting Resistance) 41
12
Resilience: Ultimate (Unit Rupture Work), MJ/m3 180 to 190
180
Resilience: Unit (Modulus of Resilience), kJ/m3 940 to 1290
2900
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 31 to 33
38
Strength to Weight: Bending, points 26 to 27
30
Thermal Diffusivity, mm2/s 3.5
6.1
Thermal Shock Resistance, points 23 to 25
40

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.060
Chromium (Cr), % 28 to 30
10.5 to 12.5
Copper (Cu), % 0 to 0.8
0
Iron (Fe), % 56.6 to 63.6
77.9 to 83.5
Manganese (Mn), % 0.8 to 1.5
0 to 0.5
Molybdenum (Mo), % 1.5 to 2.6
0
Nickel (Ni), % 5.8 to 7.5
6.0 to 8.0
Nitrogen (N), % 0.3 to 0.4
0
Phosphorus (P), % 0 to 0.030
0 to 0.020
Silicon (Si), % 0 to 0.5
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.020