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EN 1.4526 Stainless Steel vs. EN 1.8509 Steel

Both EN 1.4526 stainless steel and EN 1.8509 steel are iron alloys. They have 83% 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 1.4526 stainless steel and the bottom bar is EN 1.8509 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
340
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 25
11
Fatigue Strength, MPa 230
580
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
73
Shear Strength, MPa 340
680
Tensile Strength: Ultimate (UTS), MPa 540
1130
Tensile Strength: Yield (Proof), MPa 330
940

Thermal Properties

Latent Heat of Fusion, J/g 280
250
Maximum Temperature: Mechanical, °C 880
440
Melting Completion (Liquidus), °C 1450
1450
Melting Onset (Solidus), °C 1410
1410
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 30
39
Thermal Expansion, µm/m-K 10
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.5
7.5
Electrical Conductivity: Equal Weight (Specific), % IACS 2.9
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 13
2.8
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.9
1.6
Embodied Energy, MJ/kg 41
22
Embodied Water, L/kg 120
65

Common Calculations

PREN (Pitting Resistance) 21
2.6
Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
120
Resilience: Unit (Modulus of Resilience), kJ/m3 280
2340
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 19
40
Strength to Weight: Bending, points 19
31
Thermal Diffusivity, mm2/s 8.1
10
Thermal Shock Resistance, points 19
33

Alloy Composition

Aluminum (Al), % 0
0.8 to 1.2
Carbon (C), % 0 to 0.080
0.38 to 0.45
Chromium (Cr), % 16 to 18
1.5 to 1.8
Iron (Fe), % 77.4 to 83.1
95.5 to 97.1
Manganese (Mn), % 0 to 1.0
0.4 to 0.7
Molybdenum (Mo), % 0.8 to 1.4
0.2 to 0.35
Niobium (Nb), % 0.1 to 1.0
0
Nitrogen (N), % 0 to 0.040
0
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0 to 1.0
0 to 0.4
Sulfur (S), % 0 to 0.015
0 to 0.035