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EN 1.4005 Stainless Steel vs. EN 1.0255 Steel

Both EN 1.4005 stainless steel and EN 1.0255 steel are iron alloys. They have 86% of their average alloy composition in common. There are 30 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 1.4005 stainless steel and the bottom bar is EN 1.0255 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 13 to 21
27
Fatigue Strength, MPa 240 to 290
180
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
73
Shear Strength, MPa 390 to 450
280
Tensile Strength: Ultimate (UTS), MPa 630 to 750
430
Tensile Strength: Yield (Proof), MPa 370 to 500
250

Thermal Properties

Latent Heat of Fusion, J/g 270
250
Maximum Temperature: Mechanical, °C 760
400
Melting Completion (Liquidus), °C 1440
1460
Melting Onset (Solidus), °C 1400
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 30
40
Thermal Expansion, µm/m-K 10
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
7.7
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
8.8

Otherwise Unclassified Properties

Base Metal Price, % relative 7.0
2.1
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.0
1.5
Embodied Energy, MJ/kg 28
19
Embodied Water, L/kg 100
49

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 90 to 110
100
Resilience: Unit (Modulus of Resilience), kJ/m3 350 to 650
160
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 23 to 27
15
Strength to Weight: Bending, points 21 to 24
16
Thermal Diffusivity, mm2/s 8.1
11
Thermal Shock Resistance, points 23 to 27
14

Alloy Composition

Aluminum (Al), % 0
0.020 to 0.2
Carbon (C), % 0.060 to 0.15
0 to 0.16
Chromium (Cr), % 12 to 14
0 to 0.3
Copper (Cu), % 0
0 to 0.3
Iron (Fe), % 82.4 to 87.8
94.1 to 99.98
Manganese (Mn), % 0 to 1.5
0 to 1.2
Molybdenum (Mo), % 0 to 0.6
0 to 0.080
Nickel (Ni), % 0
0 to 0.3
Niobium (Nb), % 0
0 to 0.010
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0 to 1.0
0 to 0.35
Sulfur (S), % 0.15 to 0.35
0 to 0.015
Titanium (Ti), % 0
0 to 0.040
Vanadium (V), % 0
0 to 0.020