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EN 1.4301 Stainless Steel vs. EN 1.0255 Steel

Both EN 1.4301 stainless steel and EN 1.0255 steel are iron alloys. They have 72% 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 1.4301 stainless steel and the bottom bar is EN 1.0255 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190 to 270
120
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 14 to 46
27
Fatigue Strength, MPa 200 to 330
180
Impact Strength: V-Notched Charpy, J 91 to 94
38
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
73
Shear Strength, MPa 430 to 550
280
Tensile Strength: Ultimate (UTS), MPa 610 to 900
430
Tensile Strength: Yield (Proof), MPa 220 to 570
250

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 940
400
Melting Completion (Liquidus), °C 1430
1460
Melting Onset (Solidus), °C 1380
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 15
2.1
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 3.0
1.5
Embodied Energy, MJ/kg 43
19
Embodied Water, L/kg 140
49

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 220
100
Resilience: Unit (Modulus of Resilience), kJ/m3 120 to 820
160
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 22 to 32
15
Strength to Weight: Bending, points 20 to 27
16
Thermal Diffusivity, mm2/s 4.0
11
Thermal Shock Resistance, points 14 to 20
14

Alloy Composition

Aluminum (Al), % 0
0.020 to 0.2
Carbon (C), % 0 to 0.070
0 to 0.16
Chromium (Cr), % 17.5 to 19.5
0 to 0.3
Copper (Cu), % 0
0 to 0.3
Iron (Fe), % 66.8 to 74.5
94.1 to 99.98
Manganese (Mn), % 0 to 2.0
0 to 1.2
Molybdenum (Mo), % 0
0 to 0.080
Nickel (Ni), % 8.0 to 10.5
0 to 0.3
Niobium (Nb), % 0
0 to 0.010
Nitrogen (N), % 0 to 0.1
0
Phosphorus (P), % 0 to 0.045
0 to 0.025
Silicon (Si), % 0 to 1.0
0 to 0.35
Sulfur (S), % 0 to 0.015
0 to 0.015
Titanium (Ti), % 0
0 to 0.040
Vanadium (V), % 0
0 to 0.020