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EN 1.4311 Stainless Steel vs. EN 1.0234 Steel

Both EN 1.4311 stainless steel and EN 1.0234 steel are iron alloys. They have 70% of their average alloy composition in common. There are 31 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 1.4311 stainless steel and the bottom bar is EN 1.0234 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200
100 to 140
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 43
12 to 29
Fatigue Strength, MPa 270
170 to 270
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
73
Shear Strength, MPa 450
260 to 300
Tensile Strength: Ultimate (UTS), MPa 650
350 to 480
Tensile Strength: Yield (Proof), MPa 310
220 to 410

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 950
400
Melting Completion (Liquidus), °C 1420
1460
Melting Onset (Solidus), °C 1380
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
53
Thermal Expansion, µm/m-K 16
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
8.0

Otherwise Unclassified Properties

Base Metal Price, % relative 16
1.8
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 3.1
1.4
Embodied Energy, MJ/kg 43
18
Embodied Water, L/kg 140
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 230
36 to 130
Resilience: Unit (Modulus of Resilience), kJ/m3 240
130 to 440
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 23
12 to 17
Strength to Weight: Bending, points 21
14 to 17
Thermal Diffusivity, mm2/s 4.0
14
Thermal Shock Resistance, points 15
11 to 15

Alloy Composition

Aluminum (Al), % 0
0.020 to 0.060
Carbon (C), % 0 to 0.030
0.13 to 0.17
Chromium (Cr), % 17.5 to 19.5
0
Iron (Fe), % 65.7 to 73.9
99.02 to 99.5
Manganese (Mn), % 0 to 2.0
0.35 to 0.6
Nickel (Ni), % 8.5 to 11.5
0
Nitrogen (N), % 0.12 to 0.22
0
Phosphorus (P), % 0 to 0.045
0 to 0.025
Silicon (Si), % 0 to 1.0
0 to 0.1
Sulfur (S), % 0 to 0.015
0 to 0.025