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EN 1.7201 Steel vs. EN 1.4376 Stainless Steel

Both EN 1.7201 steel and EN 1.4376 stainless steel are iron alloys. They have 73% 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 1.7201 steel and the bottom bar is EN 1.4376 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 130 to 160
230
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 430 to 1300
750

Thermal Properties

Latent Heat of Fusion, J/g 250
290
Maximum Temperature: Mechanical, °C 420
930
Melting Completion (Liquidus), °C 1460
1410
Melting Onset (Solidus), °C 1420
1370
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 45
15
Thermal Expansion, µm/m-K 13
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
2.8

Otherwise Unclassified Properties

Base Metal Price, % relative 2.5
12
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 1.5
2.6
Embodied Energy, MJ/kg 20
37
Embodied Water, L/kg 51
140

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 15 to 46
27
Strength to Weight: Bending, points 16 to 34
24
Thermal Diffusivity, mm2/s 12
4.0
Thermal Shock Resistance, points 13 to 38
17

Alloy Composition

Carbon (C), % 0.1 to 0.15
0 to 0.1
Chromium (Cr), % 0.9 to 1.2
17 to 20.5
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 96.9 to 98.3
65.5 to 76
Manganese (Mn), % 0.6 to 0.9
5.0 to 8.0
Molybdenum (Mo), % 0.15 to 0.25
0
Nickel (Ni), % 0
2.0 to 4.5
Nitrogen (N), % 0
0 to 0.3
Phosphorus (P), % 0 to 0.025
0 to 0.045
Silicon (Si), % 0 to 0.3
0 to 1.0
Sulfur (S), % 0 to 0.025
0 to 0.015