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ACI-ASTM CF10SMnN Steel vs. EN 1.4821 Stainless Steel

Both ACI-ASTM CF10SMnN steel and EN 1.4821 stainless steel are iron alloys. They have 86% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is ACI-ASTM CF10SMnN steel and the bottom bar is EN 1.4821 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
200
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 34
18
Fatigue Strength, MPa 260
280
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 75
79
Tensile Strength: Ultimate (UTS), MPa 660
730
Tensile Strength: Yield (Proof), MPa 330
450

Thermal Properties

Latent Heat of Fusion, J/g 340
310
Maximum Temperature: Corrosion, °C 410
450
Maximum Temperature: Mechanical, °C 900
1100
Melting Completion (Liquidus), °C 1360
1410
Melting Onset (Solidus), °C 1310
1370
Specific Heat Capacity, J/kg-K 500
490
Thermal Expansion, µm/m-K 16
12

Otherwise Unclassified Properties

Base Metal Price, % relative 15
15
Density, g/cm3 7.5
7.6
Embodied Carbon, kg CO2/kg material 3.1
2.9
Embodied Energy, MJ/kg 45
41
Embodied Water, L/kg 150
160

Common Calculations

PREN (Pitting Resistance) 19
26
Resilience: Ultimate (Unit Rupture Work), MJ/m3 180
110
Resilience: Unit (Modulus of Resilience), kJ/m3 280
500
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 26
26
Strength to Weight: Axial, points 24
26
Strength to Weight: Bending, points 22
23
Thermal Shock Resistance, points 15
21

Alloy Composition

Carbon (C), % 0 to 0.1
0.1 to 0.2
Chromium (Cr), % 16 to 18
24.5 to 26.5
Iron (Fe), % 59.1 to 65.4
64.2 to 71.1
Manganese (Mn), % 7.0 to 9.0
0 to 2.0
Nickel (Ni), % 8.0 to 9.0
3.5 to 5.5
Nitrogen (N), % 0.080 to 0.18
0 to 0.1
Phosphorus (P), % 0 to 0.060
0 to 0.040
Silicon (Si), % 3.5 to 4.5
0.8 to 1.5
Sulfur (S), % 0 to 0.030
0 to 0.015