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EN 1.4855 Stainless Steel vs. EN 1.7710 Steel

Both EN 1.4855 stainless steel and EN 1.7710 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 1.7710 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150
280 to 320
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 4.6
6.8 to 11
Fatigue Strength, MPa 120
500 to 620
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
73
Tensile Strength: Ultimate (UTS), MPa 500
930 to 1070
Tensile Strength: Yield (Proof), MPa 250
800 to 1060

Thermal Properties

Latent Heat of Fusion, J/g 320
260
Maximum Temperature: Mechanical, °C 1050
440
Melting Completion (Liquidus), °C 1400
1470
Melting Onset (Solidus), °C 1350
1430
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 14
41
Thermal Expansion, µm/m-K 16
13

Otherwise Unclassified Properties

Base Metal Price, % relative 34
3.5
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 5.9
2.2
Embodied Energy, MJ/kg 85
30
Embodied Water, L/kg 200
57

Common Calculations

PREN (Pitting Resistance) 25
4.5
Resilience: Ultimate (Unit Rupture Work), MJ/m3 19
73 to 100
Resilience: Unit (Modulus of Resilience), kJ/m3 160
1680 to 2970
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 18
33 to 38
Strength to Weight: Bending, points 18
27 to 30
Thermal Diffusivity, mm2/s 3.7
11
Thermal Shock Resistance, points 11
27 to 31

Alloy Composition

Carbon (C), % 0.3 to 0.5
0.12 to 0.18
Chromium (Cr), % 23 to 25
1.3 to 1.8
Iron (Fe), % 42.6 to 51.9
95.1 to 97
Manganese (Mn), % 0 to 2.0
0.6 to 1.0
Molybdenum (Mo), % 0 to 0.5
0.8 to 1.0
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 0.6
Sulfur (S), % 0 to 0.030
0 to 0.030
Vanadium (V), % 0
0.15 to 0.25