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EN 1.7108 Steel vs. EN 1.4527 Stainless Steel

Both EN 1.7108 steel and EN 1.4527 stainless steel are iron alloys. They have 45% of their average alloy composition in common. There are 23 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is EN 1.7108 steel and the bottom bar is EN 1.4527 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200 to 510
140
Elastic (Young's, Tensile) Modulus, GPa 190
200
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 72
77
Tensile Strength: Ultimate (UTS), MPa 670 to 2070
480

Thermal Properties

Latent Heat of Fusion, J/g 280
310
Maximum Temperature: Mechanical, °C 410
1100
Melting Completion (Liquidus), °C 1430
1410
Melting Onset (Solidus), °C 1390
1360
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 46
15
Thermal Expansion, µm/m-K 13
15

Otherwise Unclassified Properties

Base Metal Price, % relative 2.1
32
Density, g/cm3 7.7
8.1
Embodied Carbon, kg CO2/kg material 1.5
5.6
Embodied Energy, MJ/kg 20
78
Embodied Water, L/kg 47
210

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 24 to 75
17
Strength to Weight: Bending, points 22 to 47
17
Thermal Diffusivity, mm2/s 12
4.0
Thermal Shock Resistance, points 20 to 63
12

Alloy Composition

Carbon (C), % 0.57 to 0.65
0 to 0.060
Chromium (Cr), % 0.2 to 0.45
19 to 22
Copper (Cu), % 0
3.0 to 4.0
Iron (Fe), % 95.9 to 96.9
37.4 to 48.5
Manganese (Mn), % 0.7 to 1.0
0 to 1.5
Molybdenum (Mo), % 0
2.0 to 3.0
Nickel (Ni), % 0
27.5 to 30.5
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 1.6 to 2.0
0 to 1.5
Sulfur (S), % 0 to 0.025
0 to 0.030