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EN 1.4378 Stainless Steel vs. ACI-ASTM CF10SMnN Steel

Both EN 1.4378 stainless steel and ACI-ASTM CF10SMnN steel are iron alloys. They have a moderately high 91% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is EN 1.4378 stainless steel and the bottom bar is ACI-ASTM CF10SMnN steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190 to 340
190
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 14 to 34
34
Fatigue Strength, MPa 340 to 550
260
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
75
Tensile Strength: Ultimate (UTS), MPa 760 to 1130
660
Tensile Strength: Yield (Proof), MPa 430 to 970
330

Thermal Properties

Latent Heat of Fusion, J/g 290
340
Maximum Temperature: Corrosion, °C 410
410
Maximum Temperature: Mechanical, °C 910
900
Melting Completion (Liquidus), °C 1390
1360
Melting Onset (Solidus), °C 1350
1310
Specific Heat Capacity, J/kg-K 480
500
Thermal Expansion, µm/m-K 17
16

Otherwise Unclassified Properties

Base Metal Price, % relative 12
15
Density, g/cm3 7.6
7.5
Embodied Carbon, kg CO2/kg material 2.7
3.1
Embodied Energy, MJ/kg 39
45
Embodied Water, L/kg 150
150

Common Calculations

PREN (Pitting Resistance) 23
19
Resilience: Ultimate (Unit Rupture Work), MJ/m3 150 to 220
180
Resilience: Unit (Modulus of Resilience), kJ/m3 470 to 2370
280
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
26
Strength to Weight: Axial, points 28 to 41
24
Strength to Weight: Bending, points 24 to 31
22
Thermal Shock Resistance, points 16 to 23
15

Alloy Composition

Carbon (C), % 0 to 0.080
0 to 0.1
Chromium (Cr), % 17 to 19
16 to 18
Iron (Fe), % 61.2 to 69
59.1 to 65.4
Manganese (Mn), % 11.5 to 14.5
7.0 to 9.0
Nickel (Ni), % 2.3 to 3.7
8.0 to 9.0
Nitrogen (N), % 0.2 to 0.4
0.080 to 0.18
Phosphorus (P), % 0 to 0.060
0 to 0.060
Silicon (Si), % 0 to 1.0
3.5 to 4.5
Sulfur (S), % 0 to 0.030
0 to 0.030