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EN 1.4550 Stainless Steel vs. EN 1.5636 Steel

Both EN 1.4550 stainless steel and EN 1.5636 steel are iron alloys. They have 73% of their average alloy composition in common. There are 30 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 1.4550 stainless steel and the bottom bar is EN 1.5636 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200
170
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 42
27
Fatigue Strength, MPa 210
230
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
73
Tensile Strength: Ultimate (UTS), MPa 620
560
Tensile Strength: Yield (Proof), MPa 230
310

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 940
410
Melting Completion (Liquidus), °C 1430
1460
Melting Onset (Solidus), °C 1390
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
7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 18
3.6
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 3.6
1.7
Embodied Energy, MJ/kg 51
23
Embodied Water, L/kg 140
52

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 210
130
Resilience: Unit (Modulus of Resilience), kJ/m3 140
260
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 22
20
Strength to Weight: Bending, points 21
19
Thermal Diffusivity, mm2/s 4.0
14
Thermal Shock Resistance, points 14
16

Alloy Composition

Carbon (C), % 0 to 0.080
0.060 to 0.12
Chromium (Cr), % 17 to 19
0 to 0.3
Copper (Cu), % 0
0 to 0.3
Iron (Fe), % 64.9 to 74
94.6 to 97.4
Manganese (Mn), % 0 to 2.0
0.5 to 0.8
Molybdenum (Mo), % 0
0 to 0.2
Nickel (Ni), % 9.0 to 12
2.0 to 3.0
Niobium (Nb), % 0 to 1.0
0
Phosphorus (P), % 0 to 0.045
0 to 0.020
Silicon (Si), % 0 to 1.0
0 to 0.6
Sulfur (S), % 0 to 0.015
0 to 0.015
Vanadium (V), % 0
0 to 0.050