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EN 1.4938 Stainless Steel vs. K93603 Alloy

Both EN 1.4938 stainless steel and K93603 alloy are iron alloys. They have 66% 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 EN 1.4938 stainless steel and the bottom bar is K93603 alloy.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.28
0.3
Shear Modulus, GPa 76
72
Tensile Strength: Ultimate (UTS), MPa 870 to 1030
490 to 810

Thermal Properties

Latent Heat of Fusion, J/g 270
270
Melting Completion (Liquidus), °C 1460
1430
Melting Onset (Solidus), °C 1420
1380
Specific Heat Capacity, J/kg-K 470
460
Thermal Expansion, µm/m-K 11
12

Otherwise Unclassified Properties

Base Metal Price, % relative 10
25
Density, g/cm3 7.8
8.2
Embodied Carbon, kg CO2/kg material 3.3
4.8
Embodied Energy, MJ/kg 47
66
Embodied Water, L/kg 110
120

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 31 to 37
17 to 27
Strength to Weight: Bending, points 26 to 29
17 to 24
Thermal Shock Resistance, points 30 to 35
15 to 25

Alloy Composition

Aluminum (Al), % 0
0 to 0.1
Carbon (C), % 0.080 to 0.15
0 to 0.050
Chromium (Cr), % 11 to 12.5
0 to 0.25
Cobalt (Co), % 0
0 to 0.5
Iron (Fe), % 80.5 to 84.8
61.8 to 64
Magnesium (Mg), % 0
0 to 0.1
Manganese (Mn), % 0.4 to 0.9
0 to 0.6
Molybdenum (Mo), % 1.5 to 2.0
0
Nickel (Ni), % 2.0 to 3.0
36
Nitrogen (N), % 0.020 to 0.040
0
Phosphorus (P), % 0 to 0.025
0 to 0.015
Silicon (Si), % 0 to 0.5
0 to 0.4
Sulfur (S), % 0 to 0.015
0 to 0.015
Titanium (Ti), % 0
0 to 0.1
Vanadium (V), % 0.25 to 0.4
0
Zirconium (Zr), % 0
0 to 0.1

Comparable Variants