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SAE-AISI A2 Steel vs. EN 1.4980 Stainless Steel

Both SAE-AISI A2 steel and EN 1.4980 stainless steel are iron alloys. They have 61% 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 SAE-AISI A2 steel and the bottom bar is EN 1.4980 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 74
75
Tensile Strength: Ultimate (UTS), MPa 710 to 2040
1030

Thermal Properties

Latent Heat of Fusion, J/g 260
300
Melting Completion (Liquidus), °C 1450
1430
Melting Onset (Solidus), °C 1410
1380
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 38
13
Thermal Expansion, µm/m-K 11
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.2
1.9
Electrical Conductivity: Equal Weight (Specific), % IACS 9.5
2.1

Otherwise Unclassified Properties

Base Metal Price, % relative 5.5
26
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 2.7
6.0
Embodied Energy, MJ/kg 38
87
Embodied Water, L/kg 73
170

Common Calculations

PREN (Pitting Resistance) 8.9
19
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 25 to 73
36
Strength to Weight: Bending, points 23 to 46
28
Thermal Diffusivity, mm2/s 10
3.5
Thermal Shock Resistance, points 25 to 71
22

Alloy Composition

Aluminum (Al), % 0
0 to 0.35
Boron (B), % 0
0.0030 to 0.010
Carbon (C), % 1.0 to 1.1
0.030 to 0.080
Chromium (Cr), % 4.8 to 5.5
13.5 to 16
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 89.4 to 93.3
49.2 to 58.5
Manganese (Mn), % 0 to 1.0
1.0 to 2.0
Molybdenum (Mo), % 0.9 to 1.4
1.0 to 1.5
Nickel (Ni), % 0 to 0.3
24 to 27
Phosphorus (P), % 0 to 0.030
0 to 0.025
Silicon (Si), % 0 to 0.5
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.015
Titanium (Ti), % 0
1.9 to 2.3
Vanadium (V), % 0.15 to 0.5
0.1 to 0.5