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EN 1.4855 Stainless Steel vs. EN 1.7711 Steel

Both EN 1.4855 stainless steel and EN 1.7711 steel are iron alloys. They have 50% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is EN 1.4855 stainless steel and the bottom bar is EN 1.7711 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150
210 to 280
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 4.6
16 to 22
Fatigue Strength, MPa 120
290 to 520
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
73
Tensile Strength: Ultimate (UTS), MPa 500
690 to 930
Tensile Strength: Yield (Proof), MPa 250
400 to 800

Thermal Properties

Latent Heat of Fusion, J/g 320
250
Maximum Temperature: Mechanical, °C 1050
430
Melting Completion (Liquidus), °C 1400
1460
Melting Onset (Solidus), °C 1350
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 14
33
Thermal Expansion, µm/m-K 16
11

Otherwise Unclassified Properties

Base Metal Price, % relative 34
3.0
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 5.9
2.3
Embodied Energy, MJ/kg 85
32
Embodied Water, L/kg 200
54

Common Calculations

PREN (Pitting Resistance) 25
2.9
Resilience: Ultimate (Unit Rupture Work), MJ/m3 19
130 to 140
Resilience: Unit (Modulus of Resilience), kJ/m3 160
430 to 1690
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 18
24 to 33
Strength to Weight: Bending, points 18
22 to 27
Thermal Diffusivity, mm2/s 3.7
8.9
Thermal Shock Resistance, points 11
24 to 32

Alloy Composition

Aluminum (Al), % 0
0 to 0.015
Carbon (C), % 0.3 to 0.5
0.36 to 0.44
Chromium (Cr), % 23 to 25
0.9 to 1.2
Iron (Fe), % 42.6 to 51.9
96 to 97.5
Manganese (Mn), % 0 to 2.0
0.45 to 0.85
Molybdenum (Mo), % 0 to 0.5
0.5 to 0.65
Nickel (Ni), % 23 to 25
0
Niobium (Nb), % 0.8 to 1.8
0
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 1.0 to 2.5
0 to 0.4
Sulfur (S), % 0 to 0.030
0 to 0.030
Vanadium (V), % 0
0.25 to 0.35