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EN 1.8505 Steel vs. EN 1.4525 Stainless Steel

Both EN 1.8505 steel and EN 1.4525 stainless steel are iron alloys. They have 77% 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 1.8505 steel and the bottom bar is EN 1.4525 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 13
5.6 to 13
Fatigue Strength, MPa 540
480 to 540
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
76
Tensile Strength: Ultimate (UTS), MPa 1050
1030 to 1250
Tensile Strength: Yield (Proof), MPa 860
840 to 1120

Thermal Properties

Latent Heat of Fusion, J/g 250
280
Maximum Temperature: Mechanical, °C 440
860
Melting Completion (Liquidus), °C 1450
1430
Melting Onset (Solidus), °C 1410
1390
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 39
18
Thermal Expansion, µm/m-K 13
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.5
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 8.7
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 2.8
13
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.6
2.8
Embodied Energy, MJ/kg 22
39
Embodied Water, L/kg 65
130

Common Calculations

PREN (Pitting Resistance) 2.6
18
Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
68 to 130
Resilience: Unit (Modulus of Resilience), kJ/m3 1950
1820 to 3230
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 37
36 to 45
Strength to Weight: Bending, points 30
29 to 33
Thermal Diffusivity, mm2/s 11
4.7
Thermal Shock Resistance, points 31
34 to 41

Alloy Composition

Aluminum (Al), % 0.8 to 1.2
0
Carbon (C), % 0.28 to 0.35
0 to 0.070
Chromium (Cr), % 1.5 to 1.8
15 to 17
Copper (Cu), % 0
2.5 to 4.0
Iron (Fe), % 95.4 to 97.1
70.4 to 79
Manganese (Mn), % 0.4 to 0.7
0 to 1.0
Molybdenum (Mo), % 0.2 to 0.4
0 to 0.8
Nickel (Ni), % 0
3.5 to 5.5
Niobium (Nb), % 0
0 to 0.35
Nitrogen (N), % 0
0 to 0.050
Phosphorus (P), % 0 to 0.025
0 to 0.035
Silicon (Si), % 0 to 0.4
0 to 0.8
Sulfur (S), % 0 to 0.035
0 to 0.025