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EN 1.4122 Stainless Steel vs. ACI-ASTM CF16Fa Steel

Both EN 1.4122 stainless steel and ACI-ASTM CF16Fa steel are iron alloys. They have 86% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is EN 1.4122 stainless steel and the bottom bar is ACI-ASTM CF16Fa steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 14
28
Fatigue Strength, MPa 260 to 360
170
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
77
Tensile Strength: Ultimate (UTS), MPa 790 to 850
540
Tensile Strength: Yield (Proof), MPa 450 to 630
230

Thermal Properties

Latent Heat of Fusion, J/g 280
300
Maximum Temperature: Corrosion, °C 400
420
Maximum Temperature: Mechanical, °C 870
980
Melting Completion (Liquidus), °C 1440
1420
Melting Onset (Solidus), °C 1400
1370
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 15
16
Thermal Expansion, µm/m-K 10
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
2.1
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
17
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.4
3.3
Embodied Energy, MJ/kg 33
47
Embodied Water, L/kg 120
150

Common Calculations

PREN (Pitting Resistance) 20
21
Resilience: Ultimate (Unit Rupture Work), MJ/m3 93 to 110
120
Resilience: Unit (Modulus of Resilience), kJ/m3 520 to 1000
140
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 28 to 31
19
Strength to Weight: Bending, points 25 to 26
19
Thermal Diffusivity, mm2/s 4.0
4.2
Thermal Shock Resistance, points 28 to 30
12

Alloy Composition

Carbon (C), % 0.33 to 0.45
0 to 0.16
Chromium (Cr), % 15.5 to 17.5
18 to 21
Iron (Fe), % 77.2 to 83.4
62.1 to 72.4
Manganese (Mn), % 0 to 1.5
0 to 1.5
Molybdenum (Mo), % 0.8 to 1.3
0.4 to 0.8
Nickel (Ni), % 0 to 1.0
9.0 to 12
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 2.0
Sulfur (S), % 0 to 0.015
0.2 to 0.4