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EN 1.6958 Steel vs. EN 1.3543 Stainless Steel

Both EN 1.6958 steel and EN 1.3543 stainless steel are iron alloys. They have 84% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is EN 1.6958 steel and the bottom bar is EN 1.3543 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 340
220
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 1140
730

Thermal Properties

Latent Heat of Fusion, J/g 250
280
Maximum Temperature: Mechanical, °C 450
870
Melting Completion (Liquidus), °C 1460
1430
Melting Onset (Solidus), °C 1420
1390
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 47
22
Thermal Expansion, µm/m-K 11
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.9
2.5
Electrical Conductivity: Equal Weight (Specific), % IACS 9.1
3.0

Otherwise Unclassified Properties

Base Metal Price, % relative 5.0
9.0
Density, g/cm3 7.9
7.7
Embodied Carbon, kg CO2/kg material 2.0
2.3
Embodied Energy, MJ/kg 27
32
Embodied Water, L/kg 60
120

Common Calculations

PREN (Pitting Resistance) 2.9
19
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 40
27
Strength to Weight: Bending, points 31
24
Thermal Diffusivity, mm2/s 13
6.1
Thermal Shock Resistance, points 39
26

Alloy Composition

Aluminum (Al), % 0.0050 to 0.050
0
Carbon (C), % 0.25 to 0.3
1.0 to 1.2
Chromium (Cr), % 1.2 to 1.7
16 to 18
Iron (Fe), % 92.6 to 94.5
79.1 to 83.6
Manganese (Mn), % 0.2 to 0.5
0 to 1.0
Molybdenum (Mo), % 0.35 to 0.55
0.4 to 0.8
Nickel (Ni), % 3.3 to 3.8
0
Phosphorus (P), % 0 to 0.020
0 to 0.040
Silicon (Si), % 0.15 to 0.3
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.030
Vanadium (V), % 0 to 0.12
0