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EN 1.6311 Steel vs. EN 1.4854 Stainless Steel

Both EN 1.6311 steel and EN 1.4854 stainless steel are iron alloys. They have a modest 39% of their average alloy composition in common, which, by itself, doesn't mean much. There are 32 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is EN 1.6311 steel and the bottom bar is EN 1.4854 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200
180
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 19
45
Fatigue Strength, MPa 340
310
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
78
Shear Strength, MPa 400
520
Tensile Strength: Ultimate (UTS), MPa 650
750
Tensile Strength: Yield (Proof), MPa 490
340

Thermal Properties

Latent Heat of Fusion, J/g 250
330
Maximum Temperature: Mechanical, °C 410
1170
Melting Completion (Liquidus), °C 1460
1370
Melting Onset (Solidus), °C 1420
1330
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 39
11
Thermal Expansion, µm/m-K 13
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 8.5
2.0

Otherwise Unclassified Properties

Base Metal Price, % relative 2.9
34
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 1.6
5.7
Embodied Energy, MJ/kg 22
81
Embodied Water, L/kg 51
220

Common Calculations

PREN (Pitting Resistance) 2.1
28
Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
270
Resilience: Unit (Modulus of Resilience), kJ/m3 650
280
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 23
26
Strength to Weight: Bending, points 21
23
Thermal Diffusivity, mm2/s 10
2.9
Thermal Shock Resistance, points 19
18

Alloy Composition

Carbon (C), % 0.15 to 0.23
0.040 to 0.080
Cerium (Ce), % 0
0.030 to 0.080
Chromium (Cr), % 0 to 0.5
24 to 26
Copper (Cu), % 0 to 0.2
0
Iron (Fe), % 95.9 to 98
33.6 to 40.6
Manganese (Mn), % 1.0 to 1.5
0 to 2.0
Molybdenum (Mo), % 0.45 to 0.6
0
Nickel (Ni), % 0.4 to 0.8
34 to 36
Nitrogen (N), % 0 to 0.012
0.12 to 0.2
Phosphorus (P), % 0 to 0.035
0 to 0.040
Silicon (Si), % 0 to 0.4
1.2 to 2.0
Sulfur (S), % 0 to 0.035
0 to 0.015
Vanadium (V), % 0 to 0.020
0