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EN 1.4736 Stainless Steel vs. EN 1.5537 Steel

Both EN 1.4736 stainless steel and EN 1.5537 steel are iron alloys. They have 80% of their average alloy composition in common. There are 25 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is EN 1.4736 stainless steel and the bottom bar is EN 1.5537 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170
160 to 180
Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
73
Tensile Strength: Ultimate (UTS), MPa 580
520 to 1760

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 1000
400
Melting Completion (Liquidus), °C 1420
1460
Melting Onset (Solidus), °C 1380
1420
Specific Heat Capacity, J/kg-K 490
470
Thermal Conductivity, W/m-K 21
48
Thermal Expansion, µm/m-K 10
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 3.4
8.2

Otherwise Unclassified Properties

Base Metal Price, % relative 9.0
1.9
Density, g/cm3 7.6
7.8
Embodied Carbon, kg CO2/kg material 2.4
1.4
Embodied Energy, MJ/kg 35
19
Embodied Water, L/kg 140
47

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 21
18 to 63
Strength to Weight: Bending, points 20
18 to 41
Thermal Diffusivity, mm2/s 5.6
13
Thermal Shock Resistance, points 21
15 to 52

Alloy Composition

Aluminum (Al), % 1.7 to 2.1
0
Boron (B), % 0
0.00080 to 0.0050
Carbon (C), % 0 to 0.040
0.33 to 0.38
Chromium (Cr), % 17 to 18
0 to 0.3
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 77 to 81.1
97.6 to 98.9
Manganese (Mn), % 0 to 1.0
0.8 to 1.1
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0 to 1.0
0 to 0.3
Sulfur (S), % 0 to 0.015
0 to 0.025
Titanium (Ti), % 0.2 to 0.8
0