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EN 1.8509 Steel vs. EN 1.4035 Stainless Steel

Both EN 1.8509 steel and EN 1.4035 stainless steel are iron alloys. They have 87% 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 1.4035 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 340
220
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 11
18
Fatigue Strength, MPa 580
250
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
76
Shear Strength, MPa 680
430
Tensile Strength: Ultimate (UTS), MPa 1130
690
Tensile Strength: Yield (Proof), MPa 940
400

Thermal Properties

Latent Heat of Fusion, J/g 250
270
Maximum Temperature: Mechanical, °C 440
760
Melting Completion (Liquidus), °C 1450
1430
Melting Onset (Solidus), °C 1410
1390
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 39
29
Thermal Expansion, µm/m-K 13
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.5
3.0
Electrical Conductivity: Equal Weight (Specific), % IACS 8.6
3.5

Otherwise Unclassified Properties

Base Metal Price, % relative 2.8
7.0
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 1.6
2.0
Embodied Energy, MJ/kg 22
27
Embodied Water, L/kg 65
100

Common Calculations

PREN (Pitting Resistance) 2.6
13
Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
110
Resilience: Unit (Modulus of Resilience), kJ/m3 2340
420
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 40
25
Strength to Weight: Bending, points 31
22
Thermal Diffusivity, mm2/s 10
7.8
Thermal Shock Resistance, points 33
25

Alloy Composition

Aluminum (Al), % 0.8 to 1.2
0
Carbon (C), % 0.38 to 0.45
0.43 to 0.5
Chromium (Cr), % 1.5 to 1.8
12.5 to 14
Iron (Fe), % 95.5 to 97.1
82.1 to 86.9
Manganese (Mn), % 0.4 to 0.7
0 to 2.0
Molybdenum (Mo), % 0.2 to 0.35
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
0.15 to 0.35