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AISI 314 Stainless Steel vs. SAE-AISI M42 Steel

Both AISI 314 stainless steel and SAE-AISI M42 steel are iron alloys. They have 56% of their average alloy composition in common. There are 22 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is AISI 314 stainless steel and the bottom bar is SAE-AISI M42 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 78
78
Tensile Strength: Ultimate (UTS), MPa 590
810 to 2310

Thermal Properties

Latent Heat of Fusion, J/g 330
270
Melting Completion (Liquidus), °C 1380
1540
Melting Onset (Solidus), °C 1340
1490
Specific Heat Capacity, J/kg-K 490
450
Thermal Conductivity, W/m-K 15
20
Thermal Expansion, µm/m-K 15
12

Otherwise Unclassified Properties

Base Metal Price, % relative 25
30
Density, g/cm3 7.7
8.2
Embodied Carbon, kg CO2/kg material 4.3
7.4
Embodied Energy, MJ/kg 62
100
Embodied Water, L/kg 190
140

Common Calculations

PREN (Pitting Resistance) 25
38
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 21
28 to 79
Strength to Weight: Bending, points 20
24 to 48
Thermal Diffusivity, mm2/s 3.9
5.4
Thermal Shock Resistance, points 14
25 to 71

Alloy Composition

Carbon (C), % 0 to 0.25
1.1 to 1.2
Chromium (Cr), % 23 to 26
3.5 to 4.3
Cobalt (Co), % 0
7.8 to 8.8
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 46.7 to 56.5
76.3 to 81
Manganese (Mn), % 0 to 2.0
0.15 to 0.4
Molybdenum (Mo), % 0
9.0 to 10
Nickel (Ni), % 19 to 22
0 to 0.3
Phosphorus (P), % 0 to 0.045
0 to 0.030
Silicon (Si), % 1.5 to 3.0
0.15 to 0.65
Sulfur (S), % 0 to 0.030
0 to 0.030
Tungsten (W), % 0
1.2 to 1.9
Vanadium (V), % 0
1.0 to 1.4