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S43940 Stainless Steel vs. S35000 Stainless Steel

Both S43940 stainless steel and S35000 stainless steel are iron alloys. They have a moderately high 92% of their average alloy composition in common. There are 32 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 S43940 stainless steel and the bottom bar is S35000 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 21
2.3 to 14
Fatigue Strength, MPa 180
380 to 520
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
78
Shear Strength, MPa 310
740 to 950
Tensile Strength: Ultimate (UTS), MPa 490
1300 to 1570
Tensile Strength: Yield (Proof), MPa 280
660 to 1160

Thermal Properties

Latent Heat of Fusion, J/g 280
280
Maximum Temperature: Corrosion, °C 540
410
Maximum Temperature: Mechanical, °C 890
900
Melting Completion (Liquidus), °C 1440
1460
Melting Onset (Solidus), °C 1400
1410
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 25
16
Thermal Expansion, µm/m-K 10
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 3.4
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 12
14
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.6
3.2
Embodied Energy, MJ/kg 38
44
Embodied Water, L/kg 120
130

Common Calculations

PREN (Pitting Resistance) 18
28
Resilience: Ultimate (Unit Rupture Work), MJ/m3 86
28 to 170
Resilience: Unit (Modulus of Resilience), kJ/m3 200
1070 to 3360
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 18
46 to 56
Strength to Weight: Bending, points 18
34 to 38
Thermal Diffusivity, mm2/s 6.8
4.4
Thermal Shock Resistance, points 18
42 to 51

Alloy Composition

Carbon (C), % 0 to 0.030
0.070 to 0.11
Chromium (Cr), % 17.5 to 18.5
16 to 17
Iron (Fe), % 78.2 to 82.1
72.7 to 76.9
Manganese (Mn), % 0 to 1.0
0.5 to 1.3
Molybdenum (Mo), % 0
2.5 to 3.2
Nickel (Ni), % 0
4.0 to 5.0
Niobium (Nb), % 0.3 to 0.6
0
Nitrogen (N), % 0
0.070 to 0.13
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 0.5
Sulfur (S), % 0 to 0.015
0 to 0.030
Titanium (Ti), % 0.1 to 0.6
0