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ACI-ASTM CF3MN Steel vs. S46910 Stainless Steel

Both ACI-ASTM CF3MN steel and S46910 stainless steel are iron alloys. They have 90% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is ACI-ASTM CF3MN steel and the bottom bar is S46910 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170
270 to 630
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 39
2.2 to 11
Fatigue Strength, MPa 250
250 to 1020
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 78
76
Tensile Strength: Ultimate (UTS), MPa 580
680 to 2470
Tensile Strength: Yield (Proof), MPa 290
450 to 2290

Thermal Properties

Latent Heat of Fusion, J/g 300
280
Maximum Temperature: Corrosion, °C 420
540
Maximum Temperature: Mechanical, °C 1010
810
Melting Completion (Liquidus), °C 1440
1460
Melting Onset (Solidus), °C 1390
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Expansion, µm/m-K 16
11

Otherwise Unclassified Properties

Base Metal Price, % relative 19
18
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 3.9
4.1
Embodied Energy, MJ/kg 53
55
Embodied Water, L/kg 160
140

Common Calculations

PREN (Pitting Resistance) 30
25
Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
48 to 130
Resilience: Unit (Modulus of Resilience), kJ/m3 210
510 to 4780
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 20
24 to 86
Strength to Weight: Bending, points 20
22 to 51
Thermal Shock Resistance, points 13
23 to 84

Alloy Composition

Aluminum (Al), % 0
0.15 to 0.5
Carbon (C), % 0 to 0.030
0 to 0.030
Chromium (Cr), % 17 to 22
11 to 13
Copper (Cu), % 0
1.5 to 3.5
Iron (Fe), % 58.7 to 71.9
65 to 76
Manganese (Mn), % 0 to 1.5
0 to 1.0
Molybdenum (Mo), % 2.0 to 3.0
3.0 to 5.0
Nickel (Ni), % 9.0 to 13
8.0 to 10
Nitrogen (N), % 0.1 to 0.2
0
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 1.5
0 to 0.7
Sulfur (S), % 0 to 0.040
0 to 0.015
Titanium (Ti), % 0
0.5 to 1.2