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EN 1.8550 Steel vs. EN 1.4713 Stainless Steel

Both EN 1.8550 steel and EN 1.4713 stainless steel are iron alloys. They have a moderately high 94% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is EN 1.8550 steel and the bottom bar is EN 1.4713 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 300
170
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 11
20
Fatigue Strength, MPa 470
160
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
74
Shear Strength, MPa 600
320
Tensile Strength: Ultimate (UTS), MPa 1000
520
Tensile Strength: Yield (Proof), MPa 760
250

Thermal Properties

Latent Heat of Fusion, J/g 250
270
Maximum Temperature: Mechanical, °C 440
800
Melting Completion (Liquidus), °C 1450
1440
Melting Onset (Solidus), °C 1410
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 40
23
Thermal Expansion, µm/m-K 13
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.6
2.5
Electrical Conductivity: Equal Weight (Specific), % IACS 8.8
2.9

Otherwise Unclassified Properties

Base Metal Price, % relative 3.4
4.6
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 1.7
1.7
Embodied Energy, MJ/kg 23
24
Embodied Water, L/kg 67
84

Common Calculations

PREN (Pitting Resistance) 2.3
7.0
Resilience: Ultimate (Unit Rupture Work), MJ/m3 100
84
Resilience: Unit (Modulus of Resilience), kJ/m3 1550
160
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 36
19
Strength to Weight: Bending, points 29
19
Thermal Diffusivity, mm2/s 11
6.2
Thermal Shock Resistance, points 29
18

Alloy Composition

Aluminum (Al), % 0.8 to 1.2
0.5 to 1.0
Carbon (C), % 0.3 to 0.37
0 to 0.12
Chromium (Cr), % 1.5 to 1.8
6.0 to 8.0
Iron (Fe), % 94.4 to 96.3
88.8 to 93
Manganese (Mn), % 0.4 to 0.7
0 to 1.0
Molybdenum (Mo), % 0.15 to 0.25
0
Nickel (Ni), % 0.85 to 1.2
0
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0 to 0.4
0.5 to 1.0
Sulfur (S), % 0 to 0.035
0 to 0.015