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EN 1.8505 Steel vs. EN 1.4736 Stainless Steel

Both EN 1.8505 steel and EN 1.4736 stainless steel are iron alloys. They have 82% 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 1.8505 steel and the bottom bar is EN 1.4736 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 320
170
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 13
28
Fatigue Strength, MPa 540
230
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
76
Shear Strength, MPa 630
370
Tensile Strength: Ultimate (UTS), MPa 1050
580
Tensile Strength: Yield (Proof), MPa 860
310

Thermal Properties

Latent Heat of Fusion, J/g 250
290
Maximum Temperature: Mechanical, °C 440
1000
Melting Completion (Liquidus), °C 1450
1420
Melting Onset (Solidus), °C 1410
1380
Specific Heat Capacity, J/kg-K 480
490
Thermal Conductivity, W/m-K 39
21
Thermal Expansion, µm/m-K 13
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.5
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 8.7
3.4

Otherwise Unclassified Properties

Base Metal Price, % relative 2.8
9.0
Density, g/cm3 7.8
7.6
Embodied Carbon, kg CO2/kg material 1.6
2.4
Embodied Energy, MJ/kg 22
35
Embodied Water, L/kg 65
140

Common Calculations

PREN (Pitting Resistance) 2.6
18
Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
140
Resilience: Unit (Modulus of Resilience), kJ/m3 1950
250
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 37
21
Strength to Weight: Bending, points 30
20
Thermal Diffusivity, mm2/s 11
5.6
Thermal Shock Resistance, points 31
21

Alloy Composition

Aluminum (Al), % 0.8 to 1.2
1.7 to 2.1
Carbon (C), % 0.28 to 0.35
0 to 0.040
Chromium (Cr), % 1.5 to 1.8
17 to 18
Iron (Fe), % 95.4 to 97.1
77 to 81.1
Manganese (Mn), % 0.4 to 0.7
0 to 1.0
Molybdenum (Mo), % 0.2 to 0.4
0
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0 to 0.4
0 to 1.0
Sulfur (S), % 0 to 0.035
0 to 0.015
Titanium (Ti), % 0
0.2 to 0.8