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SAE-AISI H42 Steel vs. N08330 Stainless Steel

Both SAE-AISI H42 steel and N08330 stainless steel are iron alloys. They have 48% 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 N08330 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
76
Tensile Strength: Ultimate (UTS), MPa 700 to 1980
550

Thermal Properties

Latent Heat of Fusion, J/g 260
310
Melting Completion (Liquidus), °C 1620
1390
Melting Onset (Solidus), °C 1570
1340
Specific Heat Capacity, J/kg-K 440
480
Thermal Conductivity, W/m-K 24
12
Thermal Expansion, µm/m-K 12
16

Otherwise Unclassified Properties

Base Metal Price, % relative 24
32
Density, g/cm3 8.4
8.0
Embodied Carbon, kg CO2/kg material 8.8
5.4
Embodied Energy, MJ/kg 130
77
Embodied Water, L/kg 98
190

Common Calculations

PREN (Pitting Resistance) 31
19
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 23 to 65
19
Strength to Weight: Bending, points 21 to 42
18
Thermal Diffusivity, mm2/s 6.5
3.1
Thermal Shock Resistance, points 20 to 57
13

Alloy Composition

Carbon (C), % 0.55 to 0.7
0 to 0.080
Chromium (Cr), % 3.8 to 4.5
17 to 20
Copper (Cu), % 0 to 0.25
0 to 1.0
Iron (Fe), % 79.3 to 83.8
38.3 to 48.3
Lead (Pb), % 0
0 to 0.0050
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
34 to 37
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 0
0.75 to 1.5
Sulfur (S), % 0 to 0.030
0 to 0.030
Tin (Sn), % 0
0 to 0.025
Tungsten (W), % 5.5 to 6.8
0
Vanadium (V), % 1.8 to 2.2
0