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EN 1.4109 Stainless Steel vs. EN 1.5701 Steel

Both EN 1.4109 stainless steel and EN 1.5701 steel are iron alloys. They have 84% of their average alloy composition in common. There are 25 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 1.4109 stainless steel and the bottom bar is EN 1.5701 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 250
130 to 160
Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
73
Tensile Strength: Ultimate (UTS), MPa 770
430 to 1300

Thermal Properties

Latent Heat of Fusion, J/g 280
250
Maximum Temperature: Mechanical, °C 820
410
Melting Completion (Liquidus), °C 1440
1460
Melting Onset (Solidus), °C 1400
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 30
45
Thermal Expansion, µm/m-K 10
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.7
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 3.1
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 8.5
2.4
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 2.2
1.5
Embodied Energy, MJ/kg 30
19
Embodied Water, L/kg 110
49

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 28
15 to 46
Strength to Weight: Bending, points 24
16 to 34
Thermal Diffusivity, mm2/s 8.1
12
Thermal Shock Resistance, points 28
13 to 38

Alloy Composition

Carbon (C), % 0.6 to 0.75
0.090 to 0.15
Chromium (Cr), % 14 to 16
0.4 to 0.7
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 80.7 to 85
97.2 to 98.7
Manganese (Mn), % 0 to 1.0
0.3 to 0.6
Molybdenum (Mo), % 0.4 to 0.8
0
Nickel (Ni), % 0
0.5 to 0.8
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0 to 0.7
0 to 0.3
Sulfur (S), % 0 to 0.015
0 to 0.025