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EN 1.8509 Steel vs. EN 1.4526 Stainless Steel

Both EN 1.8509 steel and EN 1.4526 stainless 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 1.8509 steel and the bottom bar is EN 1.4526 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

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

Thermal Properties

Latent Heat of Fusion, J/g 250
280
Maximum Temperature: Mechanical, °C 440
880
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 39
30
Thermal Expansion, µm/m-K 13
10

Electrical Properties

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

Otherwise Unclassified Properties

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

Common Calculations

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

Alloy Composition

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