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S34565 Stainless Steel vs. ACI-ASTM CF3MN Steel

Both S34565 stainless steel and ACI-ASTM CF3MN steel are iron alloys. They have 82% of their average alloy composition in common. There are 32 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 S34565 stainless steel and the bottom bar is ACI-ASTM CF3MN steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200
170
Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 39
39
Fatigue Strength, MPa 400
250
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 80
78
Tensile Strength: Ultimate (UTS), MPa 900
580
Tensile Strength: Yield (Proof), MPa 470
290

Thermal Properties

Latent Heat of Fusion, J/g 310
300
Maximum Temperature: Corrosion, °C 450
420
Maximum Temperature: Mechanical, °C 1100
1010
Melting Completion (Liquidus), °C 1420
1440
Melting Onset (Solidus), °C 1380
1390
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 12
15
Thermal Expansion, µm/m-K 15
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.9
2.1
Electrical Conductivity: Equal Weight (Specific), % IACS 2.1
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 28
19
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 5.3
3.9
Embodied Energy, MJ/kg 73
53
Embodied Water, L/kg 210
160

Common Calculations

PREN (Pitting Resistance) 47
30
Resilience: Ultimate (Unit Rupture Work), MJ/m3 300
190
Resilience: Unit (Modulus of Resilience), kJ/m3 540
210
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 32
20
Strength to Weight: Bending, points 26
20
Thermal Diffusivity, mm2/s 3.2
4.1
Thermal Shock Resistance, points 22
13

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.030
Chromium (Cr), % 23 to 25
17 to 22
Iron (Fe), % 43.2 to 51.6
58.7 to 71.9
Manganese (Mn), % 5.0 to 7.0
0 to 1.5
Molybdenum (Mo), % 4.0 to 5.0
2.0 to 3.0
Nickel (Ni), % 16 to 18
9.0 to 13
Niobium (Nb), % 0 to 0.1
0
Nitrogen (N), % 0.4 to 0.6
0.1 to 0.2
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.5
Sulfur (S), % 0 to 0.010
0 to 0.040