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EN 1.4630 Stainless Steel vs. SAE-AISI A2 Steel

Both EN 1.4630 stainless steel and SAE-AISI A2 steel are iron alloys. They have 88% 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 1.4630 stainless steel and the bottom bar is SAE-AISI A2 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
74
Tensile Strength: Ultimate (UTS), MPa 480
710 to 2040

Thermal Properties

Latent Heat of Fusion, J/g 290
260
Melting Completion (Liquidus), °C 1440
1450
Melting Onset (Solidus), °C 1390
1410
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 28
38
Thermal Expansion, µm/m-K 10
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.8
8.2
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
9.5

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
5.5
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.5
2.7
Embodied Energy, MJ/kg 36
38
Embodied Water, L/kg 120
73

Common Calculations

PREN (Pitting Resistance) 15
8.9
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 17
25 to 73
Strength to Weight: Bending, points 18
23 to 46
Thermal Diffusivity, mm2/s 7.5
10
Thermal Shock Resistance, points 17
25 to 71

Alloy Composition

Aluminum (Al), % 0 to 1.5
0
Carbon (C), % 0 to 0.030
1.0 to 1.1
Chromium (Cr), % 13 to 16
4.8 to 5.5
Copper (Cu), % 0 to 0.5
0 to 0.25
Iron (Fe), % 77.1 to 86.7
89.4 to 93.3
Manganese (Mn), % 0 to 1.0
0 to 1.0
Molybdenum (Mo), % 0 to 0.5
0.9 to 1.4
Nickel (Ni), % 0 to 0.5
0 to 0.3
Niobium (Nb), % 0 to 0.5
0
Phosphorus (P), % 0 to 0.050
0 to 0.030
Silicon (Si), % 0.2 to 1.5
0 to 0.5
Sulfur (S), % 0 to 0.050
0 to 0.030
Titanium (Ti), % 0.15 to 0.8
0
Vanadium (V), % 0
0.15 to 0.5