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EN 1.4537 Stainless Steel vs. EN 1.7131 Steel

Both EN 1.4537 stainless steel and EN 1.7131 steel are iron alloys. They have 43% of their average alloy composition in common. There are 25 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 1.4537 stainless steel and the bottom bar is EN 1.7131 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 220
140 to 170
Elastic (Young's, Tensile) Modulus, GPa 210
190
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 80
73
Tensile Strength: Ultimate (UTS), MPa 700
470 to 1390

Thermal Properties

Latent Heat of Fusion, J/g 310
250
Maximum Temperature: Mechanical, °C 1100
420
Melting Completion (Liquidus), °C 1440
1460
Melting Onset (Solidus), °C 1390
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 14
45
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.3
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 34
2.2
Density, g/cm3 8.1
7.8
Embodied Carbon, kg CO2/kg material 6.1
1.4
Embodied Energy, MJ/kg 84
19
Embodied Water, L/kg 220
51

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 24
17 to 49
Strength to Weight: Bending, points 22
17 to 35
Thermal Diffusivity, mm2/s 3.7
12
Thermal Shock Resistance, points 15
14 to 41

Alloy Composition

Carbon (C), % 0 to 0.020
0.14 to 0.19
Chromium (Cr), % 24 to 26
0.8 to 1.1
Copper (Cu), % 1.0 to 2.0
0 to 0.25
Iron (Fe), % 36.3 to 46.1
96.8 to 98.1
Manganese (Mn), % 0 to 2.0
1.0 to 1.3
Molybdenum (Mo), % 4.7 to 5.7
0
Nickel (Ni), % 24 to 27
0
Nitrogen (N), % 0.17 to 0.25
0
Phosphorus (P), % 0 to 0.030
0 to 0.025
Silicon (Si), % 0 to 0.7
0 to 0.3
Sulfur (S), % 0 to 0.010
0 to 0.025