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EN 1.4951 Stainless Steel vs. EN 1.8505 Steel

Both EN 1.4951 stainless steel and EN 1.8505 steel are iron alloys. They have 56% of their average alloy composition in common. There are 33 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is EN 1.4951 stainless steel and the bottom bar is EN 1.8505 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170
320
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 38
13
Fatigue Strength, MPa 190
540
Impact Strength: V-Notched Charpy, J 98
28
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 79
73
Shear Strength, MPa 430
630
Tensile Strength: Ultimate (UTS), MPa 630
1050
Tensile Strength: Yield (Proof), MPa 220
860

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Maximum Temperature: Mechanical, °C 1100
440
Melting Completion (Liquidus), °C 1410
1450
Melting Onset (Solidus), °C 1360
1410
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 15
39
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
7.5
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 25
2.8
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 4.3
1.6
Embodied Energy, MJ/kg 61
22
Embodied Water, L/kg 190
65

Common Calculations

PREN (Pitting Resistance) 26
2.6
Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
120
Resilience: Unit (Modulus of Resilience), kJ/m3 130
1950
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 22
37
Strength to Weight: Bending, points 21
30
Thermal Diffusivity, mm2/s 3.9
11
Thermal Shock Resistance, points 14
31

Alloy Composition

Aluminum (Al), % 0
0.8 to 1.2
Carbon (C), % 0.040 to 0.080
0.28 to 0.35
Chromium (Cr), % 24 to 26
1.5 to 1.8
Iron (Fe), % 49.1 to 57
95.4 to 97.1
Manganese (Mn), % 0 to 2.0
0.4 to 0.7
Molybdenum (Mo), % 0
0.2 to 0.4
Nickel (Ni), % 19 to 22
0
Nitrogen (N), % 0 to 0.1
0
Phosphorus (P), % 0 to 0.035
0 to 0.025
Silicon (Si), % 0 to 0.7
0 to 0.4
Sulfur (S), % 0 to 0.015
0 to 0.035