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S35045 Stainless Steel vs. S41045 Stainless Steel

Both S35045 stainless steel and S41045 stainless steel are iron alloys. Both are furnished in the annealed condition. They have 50% 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 S35045 stainless steel and the bottom bar is S41045 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 39
25
Fatigue Strength, MPa 170
160
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 78
76
Shear Strength, MPa 370
280
Tensile Strength: Ultimate (UTS), MPa 540
430
Tensile Strength: Yield (Proof), MPa 190
230

Thermal Properties

Latent Heat of Fusion, J/g 310
270
Maximum Temperature: Corrosion, °C 520
430
Maximum Temperature: Mechanical, °C 1100
740
Melting Completion (Liquidus), °C 1390
1450
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
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 34
8.5
Density, g/cm3 8.0
7.8
Embodied Carbon, kg CO2/kg material 5.8
2.2
Embodied Energy, MJ/kg 83
31
Embodied Water, L/kg 230
100

Common Calculations

PREN (Pitting Resistance) 27
13
Resilience: Ultimate (Unit Rupture Work), MJ/m3 170
92
Resilience: Unit (Modulus of Resilience), kJ/m3 94
140
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 19
16
Strength to Weight: Bending, points 19
16
Thermal Diffusivity, mm2/s 3.2
7.8
Thermal Shock Resistance, points 12
16

Alloy Composition

Aluminum (Al), % 0.15 to 0.6
0
Carbon (C), % 0.060 to 0.1
0 to 0.030
Chromium (Cr), % 25 to 29
12 to 13
Copper (Cu), % 0 to 0.75
0
Iron (Fe), % 29.4 to 42.6
83.8 to 88
Manganese (Mn), % 0 to 1.5
0 to 1.0
Nickel (Ni), % 32 to 37
0 to 0.5
Niobium (Nb), % 0
0 to 0.6
Nitrogen (N), % 0
0 to 0.030
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