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EN 1.5535 Steel vs. EN 1.4371 Stainless Steel

Both EN 1.5535 steel and EN 1.4371 stainless steel are iron alloys. They have 72% 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 1.5535 steel and the bottom bar is EN 1.4371 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 130 to 180
220 to 230
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 11 to 22
45 to 51
Fatigue Strength, MPa 210 to 320
290 to 340
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
77
Shear Strength, MPa 320 to 370
520 to 540
Tensile Strength: Ultimate (UTS), MPa 450 to 1490
740 to 750
Tensile Strength: Yield (Proof), MPa 300 to 500
320 to 340

Thermal Properties

Latent Heat of Fusion, J/g 250
280
Maximum Temperature: Mechanical, °C 400
880
Melting Completion (Liquidus), °C 1460
1410
Melting Onset (Solidus), °C 1420
1370
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 50
15
Thermal Expansion, µm/m-K 13
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
2.5
Electrical Conductivity: Equal Weight (Specific), % IACS 8.2
2.9

Otherwise Unclassified Properties

Base Metal Price, % relative 1.9
12
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 1.4
2.6
Embodied Energy, MJ/kg 19
38
Embodied Water, L/kg 48
140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 45 to 250
270 to 310
Resilience: Unit (Modulus of Resilience), kJ/m3 240 to 680
250 to 300
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 16 to 53
27
Strength to Weight: Bending, points 17 to 37
24
Thermal Diffusivity, mm2/s 13
4.0
Thermal Shock Resistance, points 13 to 44
16

Alloy Composition

Boron (B), % 0.00080 to 0.0050
0
Carbon (C), % 0.2 to 0.25
0 to 0.030
Chromium (Cr), % 0 to 0.3
16 to 17.5
Copper (Cu), % 0 to 0.25
0 to 1.0
Iron (Fe), % 97.6 to 98.9
66.7 to 74.4
Manganese (Mn), % 0.9 to 1.2
6.0 to 8.0
Nickel (Ni), % 0
3.5 to 5.5
Nitrogen (N), % 0
0.15 to 0.25
Phosphorus (P), % 0 to 0.025
0 to 0.045
Silicon (Si), % 0 to 0.3
0 to 1.0
Sulfur (S), % 0 to 0.025
0 to 0.015

Comparable Variants