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SAE-AISI H42 Steel vs. EN 1.4959 Stainless Steel

Both SAE-AISI H42 steel and EN 1.4959 stainless steel are iron alloys. They have 50% of their average alloy composition in common. There are 22 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI H42 steel and the bottom bar is EN 1.4959 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
77
Tensile Strength: Ultimate (UTS), MPa 700 to 1980
630

Thermal Properties

Latent Heat of Fusion, J/g 260
300
Melting Completion (Liquidus), °C 1620
1400
Melting Onset (Solidus), °C 1570
1350
Specific Heat Capacity, J/kg-K 440
480
Thermal Conductivity, W/m-K 24
12
Thermal Expansion, µm/m-K 12
15

Otherwise Unclassified Properties

Base Metal Price, % relative 24
31
Density, g/cm3 8.4
8.0
Embodied Carbon, kg CO2/kg material 8.8
5.4
Embodied Energy, MJ/kg 130
76
Embodied Water, L/kg 98
200

Common Calculations

PREN (Pitting Resistance) 31
21
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 23 to 65
22
Strength to Weight: Bending, points 21 to 42
20
Thermal Diffusivity, mm2/s 6.5
3.2
Thermal Shock Resistance, points 20 to 57
15

Alloy Composition

Aluminum (Al), % 0
0.25 to 0.65
Carbon (C), % 0.55 to 0.7
0.050 to 0.1
Chromium (Cr), % 3.8 to 4.5
19 to 22
Cobalt (Co), % 0
0 to 0.5
Copper (Cu), % 0 to 0.25
0 to 0.5
Iron (Fe), % 79.3 to 83.8
39.4 to 50.5
Manganese (Mn), % 0.15 to 0.4
0 to 1.5
Molybdenum (Mo), % 4.5 to 5.5
0
Nickel (Ni), % 0 to 0.3
30 to 34
Nitrogen (N), % 0
0 to 0.030
Phosphorus (P), % 0 to 0.030
0 to 0.015
Silicon (Si), % 0
0 to 0.7
Sulfur (S), % 0 to 0.030
0 to 0.010
Titanium (Ti), % 0
0.25 to 0.65
Tungsten (W), % 5.5 to 6.8
0
Vanadium (V), % 1.8 to 2.2
0