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EN 1.8509 Steel vs. S35135 Stainless Steel

Both EN 1.8509 steel and S35135 stainless steel are iron alloys. They have a modest 39% of their average alloy composition in common, which, by itself, doesn't mean much. There are 27 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is EN 1.8509 steel and the bottom bar is S35135 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 11
34
Fatigue Strength, MPa 580
180
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
79
Shear Strength, MPa 680
390
Tensile Strength: Ultimate (UTS), MPa 1130
590
Tensile Strength: Yield (Proof), MPa 940
230

Thermal Properties

Latent Heat of Fusion, J/g 250
320
Maximum Temperature: Mechanical, °C 440
1100
Melting Completion (Liquidus), °C 1450
1430
Melting Onset (Solidus), °C 1410
1380
Specific Heat Capacity, J/kg-K 480
470
Thermal Expansion, µm/m-K 13
16

Otherwise Unclassified Properties

Base Metal Price, % relative 2.8
37
Density, g/cm3 7.8
8.1
Embodied Carbon, kg CO2/kg material 1.6
6.8
Embodied Energy, MJ/kg 22
94
Embodied Water, L/kg 65
220

Common Calculations

PREN (Pitting Resistance) 2.6
37
Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
160
Resilience: Unit (Modulus of Resilience), kJ/m3 2340
130
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 40
20
Strength to Weight: Bending, points 31
19
Thermal Shock Resistance, points 33
13

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
20 to 25
Copper (Cu), % 0
0 to 0.75
Iron (Fe), % 95.5 to 97.1
28.3 to 45
Manganese (Mn), % 0.4 to 0.7
0 to 1.0
Molybdenum (Mo), % 0.2 to 0.35
4.0 to 4.8
Nickel (Ni), % 0
30 to 38
Phosphorus (P), % 0 to 0.025
0 to 0.045
Silicon (Si), % 0 to 0.4
0.6 to 1.0
Sulfur (S), % 0 to 0.035
0 to 0.015
Titanium (Ti), % 0
0.4 to 1.0