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EN 1.4981 Stainless Steel vs. SAE-AISI A10 Steel

Both EN 1.4981 stainless steel and SAE-AISI A10 steel are iron alloys. They have 68% 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 1.4981 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 610
810 to 2040

Thermal Properties

Latent Heat of Fusion, J/g 290
270
Melting Completion (Liquidus), °C 1440
1440
Melting Onset (Solidus), °C 1400
1400
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 16
40
Thermal Expansion, µm/m-K 16
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
7.8
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
9.0

Otherwise Unclassified Properties

Base Metal Price, % relative 25
5.0
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 4.8
2.1
Embodied Energy, MJ/kg 67
27
Embodied Water, L/kg 150
56

Common Calculations

PREN (Pitting Resistance) 22
5.1
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 21
29 to 73
Strength to Weight: Bending, points 20
25 to 46
Thermal Diffusivity, mm2/s 4.3
11
Thermal Shock Resistance, points 14
27 to 68

Alloy Composition

Carbon (C), % 0.040 to 0.1
1.3 to 1.5
Chromium (Cr), % 15.5 to 17.5
0
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 59.6 to 66.7
90.8 to 93.4
Manganese (Mn), % 0 to 1.5
1.6 to 2.1
Molybdenum (Mo), % 1.6 to 2.0
1.3 to 1.8
Nickel (Ni), % 15.5 to 17.5
1.6 to 2.1
Niobium (Nb), % 0.4 to 1.2
0
Phosphorus (P), % 0 to 0.035
0 to 0.030
Silicon (Si), % 0.3 to 0.6
1.0 to 1.5
Sulfur (S), % 0 to 0.015
0 to 0.030