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EN 1.4306 Stainless Steel vs. EN 1.5503 Steel

Both EN 1.4306 stainless steel and EN 1.5503 steel are iron alloys. They have 69% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is EN 1.4306 stainless steel and the bottom bar is EN 1.5503 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190 to 270
120 to 160
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 14 to 45
12 to 17
Fatigue Strength, MPa 190 to 330
180 to 280
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
73
Shear Strength, MPa 400 to 550
270 to 320
Tensile Strength: Ultimate (UTS), MPa 580 to 900
400 to 520
Tensile Strength: Yield (Proof), MPa 210 to 570
270 to 430

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 960
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
52
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
8.1

Otherwise Unclassified Properties

Base Metal Price, % relative 16
1.8
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 3.2
1.4
Embodied Energy, MJ/kg 45
18
Embodied Water, L/kg 150
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 200
41 to 81
Resilience: Unit (Modulus of Resilience), kJ/m3 110 to 820
200 to 490
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 21 to 32
14 to 19
Strength to Weight: Bending, points 20 to 27
15 to 18
Thermal Diffusivity, mm2/s 4.0
14
Thermal Shock Resistance, points 13 to 20
12 to 15

Alloy Composition

Boron (B), % 0
0.00080 to 0.0050
Carbon (C), % 0 to 0.030
0.16 to 0.2
Chromium (Cr), % 18 to 20
0
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 64.8 to 72
98.4 to 99.239
Manganese (Mn), % 0 to 2.0
0.6 to 0.8
Nickel (Ni), % 10 to 12
0
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 0.3
Sulfur (S), % 0 to 0.015
0 to 0.025