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EN 1.7701 Steel vs. EN 1.4962 Stainless Steel

Both EN 1.7701 steel and EN 1.4962 stainless steel are iron alloys. They have 68% 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 1.7701 steel and the bottom bar is EN 1.4962 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200 to 480
190 to 210
Elastic (Young's, Tensile) Modulus, GPa 190
200
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
77
Tensile Strength: Ultimate (UTS), MPa 670 to 2010
630 to 690

Thermal Properties

Latent Heat of Fusion, J/g 250
280
Maximum Temperature: Mechanical, °C 420
910
Melting Completion (Liquidus), °C 1460
1480
Melting Onset (Solidus), °C 1420
1440
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 44
14
Thermal Expansion, µm/m-K 13
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 8.5
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 2.6
23
Density, g/cm3 7.8
8.1
Embodied Carbon, kg CO2/kg material 1.9
4.1
Embodied Energy, MJ/kg 26
59
Embodied Water, L/kg 52
150

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 24 to 71
21 to 24
Strength to Weight: Bending, points 22 to 45
20 to 21
Thermal Diffusivity, mm2/s 12
3.7
Thermal Shock Resistance, points 20 to 59
14 to 16

Alloy Composition

Boron (B), % 0
0.0015 to 0.0060
Carbon (C), % 0.48 to 0.56
0.070 to 0.15
Chromium (Cr), % 0.9 to 1.2
15.5 to 17.5
Iron (Fe), % 96.2 to 97.7
62.1 to 69
Manganese (Mn), % 0.7 to 1.1
0 to 1.5
Molybdenum (Mo), % 0.15 to 0.3
0
Nickel (Ni), % 0
12.5 to 14.5
Phosphorus (P), % 0 to 0.025
0 to 0.035
Silicon (Si), % 0 to 0.4
0 to 0.5
Sulfur (S), % 0 to 0.025
0 to 0.015
Titanium (Ti), % 0
0.4 to 0.7
Tungsten (W), % 0
2.5 to 3.0
Vanadium (V), % 0.1 to 0.2
0