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EN 1.4550 Stainless Steel vs. EN 1.3537 Steel

Both EN 1.4550 stainless steel and EN 1.3537 steel are iron alloys. They have 72% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is EN 1.4550 stainless steel and the bottom bar is EN 1.3537 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200
190 to 220
Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
73
Tensile Strength: Ultimate (UTS), MPa 620
620 to 730

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 940
440
Melting Completion (Liquidus), °C 1430
1450
Melting Onset (Solidus), °C 1390
1410
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
43
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
8.5

Otherwise Unclassified Properties

Base Metal Price, % relative 18
2.8
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 3.6
1.5
Embodied Energy, MJ/kg 51
21
Embodied Water, L/kg 140
54

Common Calculations

PREN (Pitting Resistance) 18
2.6
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 22
22 to 26
Strength to Weight: Bending, points 21
21 to 23
Thermal Diffusivity, mm2/s 4.0
12
Thermal Shock Resistance, points 14
18 to 22

Alloy Composition

Aluminum (Al), % 0
0 to 0.050
Carbon (C), % 0 to 0.080
0.93 to 1.1
Chromium (Cr), % 17 to 19
1.7 to 2.0
Copper (Cu), % 0
0 to 0.3
Iron (Fe), % 64.9 to 74
96.4 to 97.8
Manganese (Mn), % 0 to 2.0
0.25 to 0.45
Molybdenum (Mo), % 0
0.15 to 0.3
Nickel (Ni), % 9.0 to 12
0
Niobium (Nb), % 0 to 1.0
0
Oxygen (O), % 0
0 to 0.0015
Phosphorus (P), % 0 to 0.045
0 to 0.025
Silicon (Si), % 0 to 1.0
0.15 to 0.45
Sulfur (S), % 0 to 0.015
0 to 0.030