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EN 1.4594 Stainless Steel vs. EN 1.7106 Steel

Both EN 1.4594 stainless steel and EN 1.7106 steel are iron alloys. They have 77% 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 EN 1.4594 stainless steel and the bottom bar is EN 1.7106 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
72
Tensile Strength: Ultimate (UTS), MPa 1020 to 1170
660 to 2020

Thermal Properties

Latent Heat of Fusion, J/g 280
280
Maximum Temperature: Mechanical, °C 820
410
Melting Completion (Liquidus), °C 1450
1430
Melting Onset (Solidus), °C 1410
1390
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 16
46
Thermal Expansion, µm/m-K 11
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 15
2.1
Density, g/cm3 7.9
7.7
Embodied Carbon, kg CO2/kg material 3.2
1.5
Embodied Energy, MJ/kg 45
20
Embodied Water, L/kg 130
47

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 36 to 41
24 to 73
Strength to Weight: Bending, points 29 to 31
22 to 46
Thermal Diffusivity, mm2/s 4.4
13
Thermal Shock Resistance, points 34 to 39
20 to 61

Alloy Composition

Carbon (C), % 0 to 0.070
0.52 to 0.6
Chromium (Cr), % 13 to 15
0.2 to 0.45
Copper (Cu), % 1.2 to 2.0
0
Iron (Fe), % 72.6 to 79.5
95.9 to 97
Manganese (Mn), % 0 to 1.0
0.7 to 1.0
Molybdenum (Mo), % 1.2 to 2.0
0
Nickel (Ni), % 5.0 to 6.0
0
Niobium (Nb), % 0.15 to 0.6
0
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0 to 0.7
1.6 to 2.0
Sulfur (S), % 0 to 0.015
0 to 0.025