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EN 1.8838 Steel vs. EN 1.4646 Stainless Steel

Both EN 1.8838 steel and EN 1.4646 stainless steel are iron alloys. They have 65% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is EN 1.8838 steel and the bottom bar is EN 1.4646 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
220
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 19
34
Fatigue Strength, MPa 290
340
Impact Strength: V-Notched Charpy, J 58
90
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
77
Shear Strength, MPa 380
500
Tensile Strength: Ultimate (UTS), MPa 610
750
Tensile Strength: Yield (Proof), MPa 430
430

Thermal Properties

Latent Heat of Fusion, J/g 250
290
Maximum Temperature: Mechanical, °C 410
910
Melting Completion (Liquidus), °C 1460
1390
Melting Onset (Solidus), °C 1420
1340
Specific Heat Capacity, J/kg-K 470
480
Thermal Expansion, µm/m-K 13
17

Otherwise Unclassified Properties

Base Metal Price, % relative 2.6
13
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 1.7
2.8
Embodied Energy, MJ/kg 23
41
Embodied Water, L/kg 50
160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 100
220
Resilience: Unit (Modulus of Resilience), kJ/m3 500
460
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 21
27
Strength to Weight: Bending, points 20
24
Thermal Shock Resistance, points 18
16

Alloy Composition

Aluminum (Al), % 0.015 to 0.054
0
Carbon (C), % 0 to 0.18
0.020 to 0.1
Chromium (Cr), % 0 to 0.35
17 to 19
Copper (Cu), % 0 to 0.6
1.5 to 3.0
Iron (Fe), % 95 to 99.985
59 to 67.3
Manganese (Mn), % 0 to 1.8
10.5 to 12.5
Molybdenum (Mo), % 0 to 0.23
0 to 0.5
Nickel (Ni), % 0 to 0.85
3.5 to 4.5
Niobium (Nb), % 0 to 0.060
0
Nitrogen (N), % 0 to 0.027
0.2 to 0.3
Phosphorus (P), % 0 to 0.030
0 to 0.050
Silicon (Si), % 0 to 0.65
0 to 1.0
Sulfur (S), % 0 to 0.025
0 to 0.015
Titanium (Ti), % 0 to 0.060
0
Vanadium (V), % 0 to 0.14
0