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EN 1.3538 Steel vs. EN 1.4438 Stainless Steel

Both EN 1.3538 steel and EN 1.4438 stainless steel are iron alloys. They have 65% of their average alloy composition in common. There are 26 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 1.3538 steel and the bottom bar is EN 1.4438 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200 to 220
180
Elastic (Young's, Tensile) Modulus, GPa 190
200
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
79
Tensile Strength: Ultimate (UTS), MPa 670 to 740
620

Thermal Properties

Latent Heat of Fusion, J/g 250
290
Maximum Temperature: Mechanical, °C 440
1000
Melting Completion (Liquidus), °C 1450
1450
Melting Onset (Solidus), °C 1410
1400
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 41
14
Thermal Expansion, µm/m-K 13
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 8.5
2.3

Otherwise Unclassified Properties

Base Metal Price, % relative 3.0
22
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 1.6
4.4
Embodied Energy, MJ/kg 21
60
Embodied Water, L/kg 56
160

Common Calculations

PREN (Pitting Resistance) 3.3
31
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 24 to 26
22
Strength to Weight: Bending, points 22 to 23
20
Thermal Diffusivity, mm2/s 11
3.7
Thermal Shock Resistance, points 20 to 22
14

Alloy Composition

Aluminum (Al), % 0 to 0.050
0
Carbon (C), % 0.93 to 1.1
0 to 0.030
Chromium (Cr), % 1.7 to 2.0
17.5 to 19.5
Copper (Cu), % 0 to 0.3
0
Iron (Fe), % 96 to 97.2
57.3 to 66.5
Manganese (Mn), % 0.6 to 0.8
0 to 2.0
Molybdenum (Mo), % 0.4 to 0.5
3.0 to 4.0
Nickel (Ni), % 0
13 to 16
Nitrogen (N), % 0
0 to 0.1
Oxygen (O), % 0 to 0.0015
0
Phosphorus (P), % 0 to 0.025
0 to 0.045
Silicon (Si), % 0.15 to 0.35
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.015