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EN 1.4872 Stainless Steel vs. SAE-AISI A6 Steel

Both EN 1.4872 stainless steel and SAE-AISI A6 steel are iron alloys. They have 62% 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 1.4872 stainless steel and the bottom bar is SAE-AISI A6 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 79
73
Tensile Strength: Ultimate (UTS), MPa 950
750 to 1990

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Melting Completion (Liquidus), °C 1390
1460
Melting Onset (Solidus), °C 1340
1410
Specific Heat Capacity, J/kg-K 490
470
Thermal Conductivity, W/m-K 15
41
Thermal Expansion, µm/m-K 16
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
7.5
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 17
3.7
Density, g/cm3 7.6
7.8
Embodied Carbon, kg CO2/kg material 3.3
1.8
Embodied Energy, MJ/kg 47
24
Embodied Water, L/kg 180
57

Common Calculations

PREN (Pitting Resistance) 30
4.8
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 26
24
Strength to Weight: Axial, points 35
27 to 71
Strength to Weight: Bending, points 28
23 to 45
Thermal Diffusivity, mm2/s 3.9
11
Thermal Shock Resistance, points 21
25 to 65

Alloy Composition

Carbon (C), % 0.2 to 0.3
0.65 to 0.75
Chromium (Cr), % 24 to 26
0.9 to 1.2
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 54.2 to 61.6
93 to 95.8
Manganese (Mn), % 8.0 to 10
1.8 to 2.5
Molybdenum (Mo), % 0
0.9 to 1.4
Nickel (Ni), % 6.0 to 8.0
0 to 0.3
Nitrogen (N), % 0.2 to 0.4
0
Phosphorus (P), % 0 to 0.045
0 to 0.030
Silicon (Si), % 0 to 1.0
0 to 0.5
Sulfur (S), % 0 to 0.015
0 to 0.030