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EN 1.7131 Steel vs. EN 1.4865 Stainless Steel

Both EN 1.7131 steel and EN 1.4865 stainless steel are iron alloys. They have 42% of their average alloy composition in common. There are 25 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is EN 1.7131 steel and the bottom bar is EN 1.4865 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140 to 170
140
Elastic (Young's, Tensile) Modulus, GPa 190
200
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
76
Tensile Strength: Ultimate (UTS), MPa 470 to 1390
470

Thermal Properties

Latent Heat of Fusion, J/g 250
320
Maximum Temperature: Mechanical, °C 420
1020
Melting Completion (Liquidus), °C 1460
1380
Melting Onset (Solidus), °C 1420
1330
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 45
12
Thermal Expansion, µm/m-K 13
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 2.2
33
Density, g/cm3 7.8
8.0
Embodied Carbon, kg CO2/kg material 1.4
5.8
Embodied Energy, MJ/kg 19
81
Embodied Water, L/kg 51
200

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 17 to 49
16
Strength to Weight: Bending, points 17 to 35
17
Thermal Diffusivity, mm2/s 12
3.1
Thermal Shock Resistance, points 14 to 41
11

Alloy Composition

Carbon (C), % 0.14 to 0.19
0.3 to 0.5
Chromium (Cr), % 0.8 to 1.1
18 to 21
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 96.8 to 98.1
34.4 to 44.7
Manganese (Mn), % 1.0 to 1.3
0 to 2.0
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 0
36 to 39
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0 to 0.3
1.0 to 2.5
Sulfur (S), % 0 to 0.025
0 to 0.030