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AISI 205 Stainless Steel vs. ACI-ASTM CF3M Steel

Both AISI 205 stainless steel and ACI-ASTM CF3M 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 AISI 205 stainless steel and the bottom bar is ACI-ASTM CF3M steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210 to 440
150
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 11 to 51
55
Fatigue Strength, MPa 410 to 640
270
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
78
Tensile Strength: Ultimate (UTS), MPa 800 to 1430
520
Tensile Strength: Yield (Proof), MPa 450 to 1100
260

Thermal Properties

Latent Heat of Fusion, J/g 280
300
Maximum Temperature: Corrosion, °C 410
420
Maximum Temperature: Mechanical, °C 880
990
Melting Completion (Liquidus), °C 1380
1440
Melting Onset (Solidus), °C 1340
1430
Specific Heat Capacity, J/kg-K 480
470
Thermal Expansion, µm/m-K 18
15

Otherwise Unclassified Properties

Base Metal Price, % relative 11
19
Density, g/cm3 7.6
7.9
Embodied Carbon, kg CO2/kg material 2.6
3.8
Embodied Energy, MJ/kg 37
53
Embodied Water, L/kg 150
160

Common Calculations

PREN (Pitting Resistance) 23
27
Resilience: Ultimate (Unit Rupture Work), MJ/m3 150 to 430
240
Resilience: Unit (Modulus of Resilience), kJ/m3 510 to 3060
170
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 26
25
Strength to Weight: Axial, points 29 to 52
18
Strength to Weight: Bending, points 25 to 37
18
Thermal Shock Resistance, points 16 to 29
12

Alloy Composition

Carbon (C), % 0.12 to 0.25
0 to 0.030
Chromium (Cr), % 16.5 to 18.5
17 to 21
Iron (Fe), % 62.6 to 68.1
59.9 to 72
Manganese (Mn), % 14 to 15.5
0 to 1.5
Molybdenum (Mo), % 0
2.0 to 3.0
Nickel (Ni), % 1.0 to 1.7
9.0 to 13
Nitrogen (N), % 0.32 to 0.4
0
Phosphorus (P), % 0 to 0.060
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.5
Sulfur (S), % 0 to 0.030
0 to 0.040