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EN 1.4618 Stainless Steel vs. EN 1.0255 Steel

Both EN 1.4618 stainless steel and EN 1.0255 steel are iron alloys. They have 69% of their average alloy composition in common. 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 1.4618 stainless steel and the bottom bar is EN 1.0255 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200 to 210
120
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 51
27
Fatigue Strength, MPa 240 to 250
180
Impact Strength: V-Notched Charpy, J 90 to 91
38
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
73
Shear Strength, MPa 480 to 500
280
Tensile Strength: Ultimate (UTS), MPa 680 to 700
430
Tensile Strength: Yield (Proof), MPa 250 to 260
250

Thermal Properties

Latent Heat of Fusion, J/g 280
250
Maximum Temperature: Mechanical, °C 900
400
Melting Completion (Liquidus), °C 1400
1460
Melting Onset (Solidus), °C 1360
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
40
Thermal Expansion, µm/m-K 16
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
7.7
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
8.8

Otherwise Unclassified Properties

Base Metal Price, % relative 13
2.1
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.7
1.5
Embodied Energy, MJ/kg 39
19
Embodied Water, L/kg 150
49

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 270 to 280
100
Resilience: Unit (Modulus of Resilience), kJ/m3 160 to 170
160
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 24 to 25
15
Strength to Weight: Bending, points 22 to 23
16
Thermal Diffusivity, mm2/s 4.0
11
Thermal Shock Resistance, points 15 to 16
14

Alloy Composition

Aluminum (Al), % 0
0.020 to 0.2
Carbon (C), % 0 to 0.1
0 to 0.16
Chromium (Cr), % 16.5 to 18.5
0 to 0.3
Copper (Cu), % 1.0 to 2.5
0 to 0.3
Iron (Fe), % 62.7 to 72.5
94.1 to 99.98
Manganese (Mn), % 5.5 to 9.5
0 to 1.2
Molybdenum (Mo), % 0
0 to 0.080
Nickel (Ni), % 4.5 to 5.5
0 to 0.3
Niobium (Nb), % 0
0 to 0.010
Nitrogen (N), % 0 to 0.15
0
Phosphorus (P), % 0 to 0.070
0 to 0.025
Silicon (Si), % 0 to 1.0
0 to 0.35
Sulfur (S), % 0 to 0.010
0 to 0.015
Titanium (Ti), % 0
0 to 0.040
Vanadium (V), % 0
0 to 0.020