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EN 1.4852 Stainless Steel vs. SAE-AISI A9 Steel

Both EN 1.4852 stainless steel and SAE-AISI A9 steel are iron alloys. They have 44% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is EN 1.4852 stainless steel and the bottom bar is SAE-AISI A9 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
74
Tensile Strength: Ultimate (UTS), MPa 490
770 to 2030

Thermal Properties

Latent Heat of Fusion, J/g 330
280
Melting Completion (Liquidus), °C 1380
1460
Melting Onset (Solidus), °C 1340
1410
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 13
35
Thermal Expansion, µm/m-K 16
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
7.9
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
9.2

Otherwise Unclassified Properties

Base Metal Price, % relative 41
7.0
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 6.9
4.7
Embodied Energy, MJ/kg 100
70
Embodied Water, L/kg 220
82

Common Calculations

PREN (Pitting Resistance) 26
10
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 17
28 to 73
Strength to Weight: Bending, points 18
24 to 46
Thermal Diffusivity, mm2/s 3.4
9.6
Thermal Shock Resistance, points 11
25 to 66

Alloy Composition

Carbon (C), % 0.3 to 0.5
0.45 to 0.55
Chromium (Cr), % 24 to 27
4.8 to 5.5
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 29.6 to 40.9
87 to 90.5
Manganese (Mn), % 0 to 2.0
0 to 0.5
Molybdenum (Mo), % 0 to 0.5
1.3 to 1.8
Nickel (Ni), % 33 to 36
1.3 to 1.8
Niobium (Nb), % 0.8 to 1.8
0
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 1.0 to 2.5
1.0 to 1.2
Sulfur (S), % 0 to 0.030
0 to 0.030
Vanadium (V), % 0
0.8 to 1.4