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S35045 Stainless Steel vs. S42010 Stainless Steel

Both S35045 stainless steel and S42010 stainless steel are iron alloys. Both are furnished in the annealed condition. They have 52% of their average alloy composition in common.

For each property being compared, the top bar is S35045 stainless steel and the bottom bar is S42010 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 39
18
Fatigue Strength, MPa 170
220
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 78
76
Shear Strength, MPa 370
370
Tensile Strength: Ultimate (UTS), MPa 540
590
Tensile Strength: Yield (Proof), MPa 190
350

Thermal Properties

Latent Heat of Fusion, J/g 310
280
Maximum Temperature: Corrosion, °C 520
390
Maximum Temperature: Mechanical, °C 1100
800
Melting Completion (Liquidus), °C 1390
1440
Melting Onset (Solidus), °C 1340
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 12
29
Thermal Expansion, µm/m-K 16
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
2.7
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
3.2

Otherwise Unclassified Properties

Base Metal Price, % relative 34
8.5
Density, g/cm3 8.0
7.7
Embodied Carbon, kg CO2/kg material 5.8
2.2
Embodied Energy, MJ/kg 83
30
Embodied Water, L/kg 230
110

Common Calculations

PREN (Pitting Resistance) 27
16
Resilience: Ultimate (Unit Rupture Work), MJ/m3 170
95
Resilience: Unit (Modulus of Resilience), kJ/m3 94
310
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 19
21
Strength to Weight: Bending, points 19
20
Thermal Diffusivity, mm2/s 3.2
7.9
Thermal Shock Resistance, points 12
21

Alloy Composition

Aluminum (Al), % 0.15 to 0.6
0
Carbon (C), % 0.060 to 0.1
0.15 to 0.3
Chromium (Cr), % 25 to 29
13.5 to 15
Copper (Cu), % 0 to 0.75
0
Iron (Fe), % 29.4 to 42.6
80.9 to 85.6
Manganese (Mn), % 0 to 1.5
0 to 1.0
Molybdenum (Mo), % 0
0.4 to 0.85
Nickel (Ni), % 32 to 37
0.35 to 0.85
Phosphorus (P), % 0 to 0.045
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.030
Titanium (Ti), % 0.15 to 0.6
0