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S35045 Stainless Steel vs. EN 1.7725 Steel

Both S35045 stainless steel and EN 1.7725 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 30 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is S35045 stainless steel and the bottom bar is EN 1.7725 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 39
14
Fatigue Strength, MPa 170
390 to 550
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 78
73
Tensile Strength: Ultimate (UTS), MPa 540
830 to 1000
Tensile Strength: Yield (Proof), MPa 190
610 to 860

Thermal Properties

Latent Heat of Fusion, J/g 310
250
Maximum Temperature: Mechanical, °C 1100
440
Melting Completion (Liquidus), °C 1390
1460
Melting Onset (Solidus), °C 1340
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 12
39
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 34
2.9
Density, g/cm3 8.0
7.8
Embodied Carbon, kg CO2/kg material 5.8
1.8
Embodied Energy, MJ/kg 83
24
Embodied Water, L/kg 230
54

Common Calculations

PREN (Pitting Resistance) 27
2.8
Resilience: Ultimate (Unit Rupture Work), MJ/m3 170
110 to 130
Resilience: Unit (Modulus of Resilience), kJ/m3 94
980 to 1940
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 19
29 to 35
Strength to Weight: Bending, points 19
25 to 28
Thermal Diffusivity, mm2/s 3.2
11
Thermal Shock Resistance, points 12
24 to 29

Alloy Composition

Aluminum (Al), % 0.15 to 0.6
0
Carbon (C), % 0.060 to 0.1
0.27 to 0.34
Chromium (Cr), % 25 to 29
1.3 to 1.7
Copper (Cu), % 0 to 0.75
0
Iron (Fe), % 29.4 to 42.6
95.7 to 97.5
Manganese (Mn), % 0 to 1.5
0.6 to 1.0
Molybdenum (Mo), % 0
0.3 to 0.5
Nickel (Ni), % 32 to 37
0
Phosphorus (P), % 0 to 0.045
0 to 0.025
Silicon (Si), % 0 to 1.0
0 to 0.6
Sulfur (S), % 0 to 0.015
0 to 0.030
Titanium (Ti), % 0.15 to 0.6
0
Vanadium (V), % 0
0.050 to 0.15