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SAE-AISI H42 Steel vs. AISI 314 Stainless Steel

Both SAE-AISI H42 steel and AISI 314 stainless 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 SAE-AISI H42 steel and the bottom bar is AISI 314 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 77
78
Tensile Strength: Ultimate (UTS), MPa 700 to 1980
590

Thermal Properties

Latent Heat of Fusion, J/g 260
330
Melting Completion (Liquidus), °C 1620
1380
Melting Onset (Solidus), °C 1570
1340
Specific Heat Capacity, J/kg-K 440
490
Thermal Conductivity, W/m-K 24
15
Thermal Expansion, µm/m-K 12
15

Otherwise Unclassified Properties

Base Metal Price, % relative 24
25
Density, g/cm3 8.4
7.7
Embodied Carbon, kg CO2/kg material 8.8
4.3
Embodied Energy, MJ/kg 130
62
Embodied Water, L/kg 98
190

Common Calculations

PREN (Pitting Resistance) 31
25
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 23 to 65
21
Strength to Weight: Bending, points 21 to 42
20
Thermal Diffusivity, mm2/s 6.5
3.9
Thermal Shock Resistance, points 20 to 57
14

Alloy Composition

Carbon (C), % 0.55 to 0.7
0 to 0.25
Chromium (Cr), % 3.8 to 4.5
23 to 26
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 79.3 to 83.8
46.7 to 56.5
Manganese (Mn), % 0.15 to 0.4
0 to 2.0
Molybdenum (Mo), % 4.5 to 5.5
0
Nickel (Ni), % 0 to 0.3
19 to 22
Phosphorus (P), % 0 to 0.030
0 to 0.045
Silicon (Si), % 0
1.5 to 3.0
Sulfur (S), % 0 to 0.030
0 to 0.030
Tungsten (W), % 5.5 to 6.8
0
Vanadium (V), % 1.8 to 2.2
0