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EN 1.8838 Steel vs. EN 1.4849 Stainless Steel

Both EN 1.8838 steel and EN 1.4849 stainless steel are iron alloys. They have 40% 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 1.4849 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
140
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 19
4.5
Fatigue Strength, MPa 290
120
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
75
Tensile Strength: Ultimate (UTS), MPa 610
480
Tensile Strength: Yield (Proof), MPa 430
250

Thermal Properties

Latent Heat of Fusion, J/g 250
320
Maximum Temperature: Mechanical, °C 410
1020
Melting Completion (Liquidus), °C 1460
1390
Melting Onset (Solidus), °C 1420
1340
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 44
12
Thermal Expansion, µm/m-K 13
15

Otherwise Unclassified Properties

Base Metal Price, % relative 2.6
42
Density, g/cm3 7.8
8.0
Embodied Carbon, kg CO2/kg material 1.7
7.1
Embodied Energy, MJ/kg 23
100
Embodied Water, L/kg 50
200

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 100
18
Resilience: Unit (Modulus of Resilience), kJ/m3 500
160
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 21
17
Strength to Weight: Bending, points 20
17
Thermal Diffusivity, mm2/s 12
3.2
Thermal Shock Resistance, points 18
11

Alloy Composition

Aluminum (Al), % 0.015 to 0.054
0
Carbon (C), % 0 to 0.18
0.3 to 0.5
Chromium (Cr), % 0 to 0.35
18 to 21
Copper (Cu), % 0 to 0.6
0
Iron (Fe), % 95 to 99.985
32.6 to 43.5
Manganese (Mn), % 0 to 1.8
0 to 2.0
Molybdenum (Mo), % 0 to 0.23
0 to 0.5
Nickel (Ni), % 0 to 0.85
36 to 39
Niobium (Nb), % 0 to 0.060
1.2 to 1.8
Nitrogen (N), % 0 to 0.027
0
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0 to 0.65
1.0 to 2.5
Sulfur (S), % 0 to 0.025
0 to 0.030
Titanium (Ti), % 0 to 0.060
0
Vanadium (V), % 0 to 0.14
0