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EN 1.4872 Stainless Steel vs. EN 1.8509 Steel

Both EN 1.4872 stainless steel and EN 1.8509 steel are iron alloys. They have 61% 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 1.4872 stainless steel and the bottom bar is EN 1.8509 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 270
340
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 28
11
Fatigue Strength, MPa 410
580
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 79
73
Shear Strength, MPa 620
680
Tensile Strength: Ultimate (UTS), MPa 950
1130
Tensile Strength: Yield (Proof), MPa 560
940

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Maximum Temperature: Mechanical, °C 1150
440
Melting Completion (Liquidus), °C 1390
1450
Melting Onset (Solidus), °C 1340
1410
Specific Heat Capacity, J/kg-K 490
480
Thermal Conductivity, W/m-K 15
39
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
7.5
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 17
2.8
Density, g/cm3 7.6
7.8
Embodied Carbon, kg CO2/kg material 3.3
1.6
Embodied Energy, MJ/kg 47
22
Embodied Water, L/kg 180
65

Common Calculations

PREN (Pitting Resistance) 30
2.6
Resilience: Ultimate (Unit Rupture Work), MJ/m3 230
120
Resilience: Unit (Modulus of Resilience), kJ/m3 780
2340
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 26
25
Strength to Weight: Axial, points 35
40
Strength to Weight: Bending, points 28
31
Thermal Diffusivity, mm2/s 3.9
10
Thermal Shock Resistance, points 21
33

Alloy Composition

Aluminum (Al), % 0
0.8 to 1.2
Carbon (C), % 0.2 to 0.3
0.38 to 0.45
Chromium (Cr), % 24 to 26
1.5 to 1.8
Iron (Fe), % 54.2 to 61.6
95.5 to 97.1
Manganese (Mn), % 8.0 to 10
0.4 to 0.7
Molybdenum (Mo), % 0
0.2 to 0.35
Nickel (Ni), % 6.0 to 8.0
0
Nitrogen (N), % 0.2 to 0.4
0
Phosphorus (P), % 0 to 0.045
0 to 0.025
Silicon (Si), % 0 to 1.0
0 to 0.4
Sulfur (S), % 0 to 0.015
0 to 0.035