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S35125 Stainless Steel vs. EN 1.8509 Steel

Both S35125 stainless steel and EN 1.8509 steel are iron alloys. They have 44% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is S35125 stainless steel and the bottom bar is EN 1.8509 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 39
11
Fatigue Strength, MPa 200
580
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 78
73
Shear Strength, MPa 370
680
Tensile Strength: Ultimate (UTS), MPa 540
1130
Tensile Strength: Yield (Proof), MPa 230
940

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Maximum Temperature: Mechanical, °C 1100
440
Melting Completion (Liquidus), °C 1430
1450
Melting Onset (Solidus), °C 1380
1410
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 12
39
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
7.5
Electrical Conductivity: Equal Weight (Specific), % IACS 1.9
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 36
2.8
Density, g/cm3 8.1
7.8
Embodied Carbon, kg CO2/kg material 6.4
1.6
Embodied Energy, MJ/kg 89
22
Embodied Water, L/kg 210
65

Common Calculations

PREN (Pitting Resistance) 30
2.6
Resilience: Ultimate (Unit Rupture Work), MJ/m3 170
120
Resilience: Unit (Modulus of Resilience), kJ/m3 140
2340
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 19
40
Strength to Weight: Bending, points 18
31
Thermal Diffusivity, mm2/s 3.1
10
Thermal Shock Resistance, points 12
33

Alloy Composition

Aluminum (Al), % 0
0.8 to 1.2
Carbon (C), % 0 to 0.1
0.38 to 0.45
Chromium (Cr), % 20 to 23
1.5 to 1.8
Iron (Fe), % 36.2 to 45.8
95.5 to 97.1
Manganese (Mn), % 1.0 to 1.5
0.4 to 0.7
Molybdenum (Mo), % 2.0 to 3.0
0.2 to 0.35
Nickel (Ni), % 31 to 35
0
Niobium (Nb), % 0.25 to 0.6
0
Phosphorus (P), % 0 to 0.045
0 to 0.025
Silicon (Si), % 0 to 0.5
0 to 0.4
Sulfur (S), % 0 to 0.015
0 to 0.035