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EN 1.4971 Stainless Steel vs. SAE-AISI H42 Steel

Both EN 1.4971 stainless steel and SAE-AISI H42 steel are iron alloys. They have 41% of their average alloy composition in common. There are 22 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is EN 1.4971 stainless steel and the bottom bar is SAE-AISI H42 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
200
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 81
77
Tensile Strength: Ultimate (UTS), MPa 800
700 to 1980

Thermal Properties

Latent Heat of Fusion, J/g 300
260
Melting Completion (Liquidus), °C 1460
1620
Melting Onset (Solidus), °C 1410
1570
Specific Heat Capacity, J/kg-K 450
440
Thermal Conductivity, W/m-K 13
24
Thermal Expansion, µm/m-K 15
12

Otherwise Unclassified Properties

Base Metal Price, % relative 70
24
Density, g/cm3 8.4
8.4
Embodied Carbon, kg CO2/kg material 7.6
8.8
Embodied Energy, MJ/kg 110
130
Embodied Water, L/kg 300
98

Common Calculations

PREN (Pitting Resistance) 38
31
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
23
Strength to Weight: Axial, points 26
23 to 65
Strength to Weight: Bending, points 23
21 to 42
Thermal Diffusivity, mm2/s 3.4
6.5
Thermal Shock Resistance, points 19
20 to 57

Alloy Composition

Carbon (C), % 0.080 to 0.16
0.55 to 0.7
Chromium (Cr), % 20 to 22.5
3.8 to 4.5
Cobalt (Co), % 18.5 to 21
0
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 24.3 to 37.1
79.3 to 83.8
Manganese (Mn), % 0 to 2.0
0.15 to 0.4
Molybdenum (Mo), % 2.5 to 3.5
4.5 to 5.5
Nickel (Ni), % 19 to 21
0 to 0.3
Niobium (Nb), % 0.75 to 1.3
0
Nitrogen (N), % 0.1 to 0.2
0
Phosphorus (P), % 0 to 0.035
0 to 0.030
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.015
0 to 0.030
Tungsten (W), % 2.0 to 3.0
5.5 to 6.8
Vanadium (V), % 0
1.8 to 2.2