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EN 1.4530 Stainless Steel vs. SAE-AISI A9 Steel

Both EN 1.4530 stainless steel and SAE-AISI A9 steel are iron alloys. They have 84% 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 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 76
74
Tensile Strength: Ultimate (UTS), MPa 1030 to 1370
770 to 2030

Thermal Properties

Latent Heat of Fusion, J/g 270
280
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1410
1410
Specific Heat Capacity, J/kg-K 470
470
Thermal Expansion, µm/m-K 11
12

Otherwise Unclassified Properties

Base Metal Price, % relative 15
7.0
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 3.4
4.7
Embodied Energy, MJ/kg 46
70
Embodied Water, L/kg 130
82

Common Calculations

PREN (Pitting Resistance) 19
10
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 36 to 48
28 to 73
Strength to Weight: Bending, points 29 to 35
24 to 46
Thermal Shock Resistance, points 35 to 47
25 to 66

Alloy Composition

Aluminum (Al), % 0.6 to 0.8
0
Carbon (C), % 0 to 0.015
0.45 to 0.55
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
87 to 90.5
Manganese (Mn), % 0 to 0.1
0 to 0.5
Molybdenum (Mo), % 1.9 to 2.2
1.3 to 1.8
Nickel (Ni), % 8.5 to 9.5
1.3 to 1.8
Nitrogen (N), % 0 to 0.010
0
Phosphorus (P), % 0 to 0.010
0 to 0.030
Silicon (Si), % 0 to 0.1
1.0 to 1.2
Sulfur (S), % 0 to 0.0050
0 to 0.030
Titanium (Ti), % 0.28 to 0.37
0
Vanadium (V), % 0
0.8 to 1.4