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EN 1.4742 Stainless Steel vs. SAE-AISI A10 Steel

Both EN 1.4742 stainless steel and SAE-AISI A10 steel are iron alloys. They have 81% of their average alloy composition in common. There are 24 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 1.4742 stainless steel and the bottom bar is SAE-AISI A10 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
72
Tensile Strength: Ultimate (UTS), MPa 600
810 to 2040

Thermal Properties

Latent Heat of Fusion, J/g 290
270
Melting Completion (Liquidus), °C 1420
1440
Melting Onset (Solidus), °C 1380
1400
Specific Heat Capacity, J/kg-K 490
480
Thermal Conductivity, W/m-K 19
40
Thermal Expansion, µm/m-K 11
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.9
7.8
Electrical Conductivity: Equal Weight (Specific), % IACS 2.2
9.0

Otherwise Unclassified Properties

Base Metal Price, % relative 9.0
5.0
Density, g/cm3 7.6
7.8
Embodied Carbon, kg CO2/kg material 2.2
2.1
Embodied Energy, MJ/kg 32
27
Embodied Water, L/kg 130
56

Common Calculations

PREN (Pitting Resistance) 18
5.1
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 22
29 to 73
Strength to Weight: Bending, points 21
25 to 46
Thermal Diffusivity, mm2/s 5.1
11
Thermal Shock Resistance, points 21
27 to 68

Alloy Composition

Aluminum (Al), % 0.7 to 1.2
0
Carbon (C), % 0 to 0.12
1.3 to 1.5
Chromium (Cr), % 17 to 19
0
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 77.2 to 81.6
90.8 to 93.4
Manganese (Mn), % 0 to 1.0
1.6 to 2.1
Molybdenum (Mo), % 0
1.3 to 1.8
Nickel (Ni), % 0
1.6 to 2.1
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0.7 to 1.4
1.0 to 1.5
Sulfur (S), % 0 to 0.015
0 to 0.030