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EN 1.4530 Stainless Steel vs. SAE-AISI A8 Steel

Both EN 1.4530 stainless steel and SAE-AISI A8 steel are iron alloys. They have 83% of their average alloy composition in common. There are 20 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is EN 1.4530 stainless steel and the bottom bar is SAE-AISI A8 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 76
74
Tensile Strength: Ultimate (UTS), MPa 1030 to 1370
700 to 1920

Thermal Properties

Latent Heat of Fusion, J/g 270
270
Melting Completion (Liquidus), °C 1460
1480
Melting Onset (Solidus), °C 1410
1430
Specific Heat Capacity, J/kg-K 470
470
Thermal Expansion, µm/m-K 11
12

Otherwise Unclassified Properties

Base Metal Price, % relative 15
8.5
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 3.4
2.3
Embodied Energy, MJ/kg 46
31
Embodied Water, L/kg 130
73

Common Calculations

PREN (Pitting Resistance) 19
12
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 36 to 48
25 to 68
Strength to Weight: Bending, points 29 to 35
22 to 44
Thermal Shock Resistance, points 35 to 47
22 to 62

Alloy Composition

Aluminum (Al), % 0.6 to 0.8
0
Carbon (C), % 0 to 0.015
0.5 to 0.6
Chromium (Cr), % 11.5 to 12.5
4.8 to 5.5
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 74.4 to 77.3
88.5 to 91.9
Manganese (Mn), % 0 to 0.1
0 to 0.5
Molybdenum (Mo), % 1.9 to 2.2
1.2 to 1.7
Nickel (Ni), % 8.5 to 9.5
0 to 0.3
Nitrogen (N), % 0 to 0.010
0
Phosphorus (P), % 0 to 0.010
0 to 0.030
Silicon (Si), % 0 to 0.1
0.75 to 1.1
Sulfur (S), % 0 to 0.0050
0 to 0.030
Titanium (Ti), % 0.28 to 0.37
0
Tungsten (W), % 0
1.0 to 1.5