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K93050 Alloy vs. EN 1.3940 Stainless Steel

Both K93050 alloy and EN 1.3940 stainless steel are iron alloys. They have 76% of their average alloy composition in common. There are 19 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown.

For each property being compared, the top bar is K93050 alloy and the bottom bar is EN 1.3940 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Poisson's Ratio 0.3
0.28
Shear Modulus, GPa 72
77
Tensile Strength: Ultimate (UTS), MPa 500 to 680
540

Thermal Properties

Latent Heat of Fusion, J/g 270
290
Melting Completion (Liquidus), °C 1430
1420
Melting Onset (Solidus), °C 1380
1380
Specific Heat Capacity, J/kg-K 460
480
Thermal Expansion, µm/m-K 12
12

Otherwise Unclassified Properties

Base Metal Price, % relative 26
17
Density, g/cm3 8.2
7.8
Embodied Carbon, kg CO2/kg material 4.7
3.3
Embodied Energy, MJ/kg 65
47
Embodied Water, L/kg 120
150

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 17 to 23
19
Strength to Weight: Bending, points 17 to 21
19
Thermal Shock Resistance, points 16 to 21
16

Alloy Composition

Carbon (C), % 0 to 0.15
0 to 0.030
Chromium (Cr), % 0 to 0.25
16.5 to 18.5
Cobalt (Co), % 0 to 0.5
0
Iron (Fe), % 61.4 to 63.9
64.2 to 71.4
Manganese (Mn), % 0 to 1.0
0 to 2.0
Nickel (Ni), % 36
12 to 14
Nitrogen (N), % 0
0.1 to 0.2
Phosphorus (P), % 0 to 0.020
0 to 0.035
Selenium (Se), % 0.15 to 0.3
0
Silicon (Si), % 0 to 0.35
0 to 1.0
Sulfur (S), % 0 to 0.020
0 to 0.020