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EN 1.4303 Stainless Steel vs. EN 1.5510 Steel

Both EN 1.4303 stainless steel and EN 1.5510 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 1.4303 stainless steel and the bottom bar is EN 1.5510 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190 to 270
130 to 190
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 13 to 49
11 to 21
Fatigue Strength, MPa 220 to 320
220 to 330
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
73
Shear Strength, MPa 420 to 540
310 to 380
Tensile Strength: Ultimate (UTS), MPa 590 to 900
450 to 1600
Tensile Strength: Yield (Proof), MPa 230 to 560
310 to 520

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 940
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
51
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
8.2

Otherwise Unclassified Properties

Base Metal Price, % relative 17
1.9
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 3.2
1.4
Embodied Energy, MJ/kg 46
19
Embodied Water, L/kg 150
47

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 230
46 to 260
Resilience: Unit (Modulus of Resilience), kJ/m3 140 to 800
260 to 710
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 21 to 32
16 to 57
Strength to Weight: Bending, points 20 to 26
17 to 39
Thermal Diffusivity, mm2/s 4.0
14
Thermal Shock Resistance, points 13 to 20
13 to 47

Alloy Composition

Boron (B), % 0
0.00080 to 0.0050
Carbon (C), % 0 to 0.060
0.25 to 0.3
Chromium (Cr), % 17 to 19
0 to 0.3
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 64.8 to 72
97.9 to 99.149
Manganese (Mn), % 0 to 2.0
0.6 to 0.9
Nickel (Ni), % 11 to 13
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