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EN 1.7701 Steel vs. EN 1.3975 Stainless Steel

Both EN 1.7701 steel and EN 1.3975 stainless steel are iron alloys. They have 64% of their average alloy composition in common. There are 21 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is EN 1.7701 steel and the bottom bar is EN 1.3975 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200 to 480
190
Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
76
Tensile Strength: Ultimate (UTS), MPa 670 to 2010
660

Thermal Properties

Latent Heat of Fusion, J/g 250
340
Maximum Temperature: Mechanical, °C 420
910
Melting Completion (Liquidus), °C 1460
1360
Melting Onset (Solidus), °C 1420
1320
Specific Heat Capacity, J/kg-K 470
500
Thermal Expansion, µm/m-K 13
16

Otherwise Unclassified Properties

Base Metal Price, % relative 2.6
15
Density, g/cm3 7.8
7.5
Embodied Carbon, kg CO2/kg material 1.9
3.3
Embodied Energy, MJ/kg 26
47
Embodied Water, L/kg 52
150

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
26
Strength to Weight: Axial, points 24 to 71
24
Strength to Weight: Bending, points 22 to 45
22
Thermal Shock Resistance, points 20 to 59
15

Alloy Composition

Carbon (C), % 0.48 to 0.56
0 to 0.050
Chromium (Cr), % 0.9 to 1.2
16 to 18
Iron (Fe), % 96.2 to 97.7
58.2 to 65.4
Manganese (Mn), % 0.7 to 1.1
7.0 to 9.0
Molybdenum (Mo), % 0.15 to 0.3
0 to 1.0
Nickel (Ni), % 0
8.0 to 9.0
Nitrogen (N), % 0
0.080 to 0.18
Phosphorus (P), % 0 to 0.025
0 to 0.045
Silicon (Si), % 0 to 0.4
3.5 to 4.5
Sulfur (S), % 0 to 0.025
0 to 0.030
Vanadium (V), % 0.1 to 0.2
0