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EN 1.4710 Stainless Steel vs. SAE-AISI A4 Steel

Both EN 1.4710 stainless steel and SAE-AISI A4 steel are iron alloys. They have a moderately high 93% of their average alloy composition in common. There are 20 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 1.4710 stainless steel and the bottom bar is SAE-AISI A4 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
73

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Melting Completion (Liquidus), °C 1430
1450
Melting Onset (Solidus), °C 1390
1410
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 24
40
Thermal Expansion, µm/m-K 9.9
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 6.4
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 7.5
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 5.0
3.9
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 1.8
1.8
Embodied Energy, MJ/kg 24
24
Embodied Water, L/kg 76
59

Common Calculations

PREN (Pitting Resistance) 7.2
5.3
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Thermal Diffusivity, mm2/s 6.5
11

Alloy Composition

Carbon (C), % 0.2 to 0.35
1.0 to 1.1
Chromium (Cr), % 6.0 to 8.0
0.9 to 2.2
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 87.4 to 92.3
92 to 95.5
Manganese (Mn), % 0.5 to 1.0
1.8 to 2.2
Molybdenum (Mo), % 0 to 0.15
0.9 to 1.4
Nickel (Ni), % 0 to 0.5
0 to 0.3
Phosphorus (P), % 0 to 0.035
0 to 0.030
Silicon (Si), % 1.0 to 2.5
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.030