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S35140 Stainless Steel vs. S43037 Stainless Steel

Both S35140 stainless steel and S43037 stainless steel are iron alloys. Both are furnished in the annealed condition. They have 67% of their average alloy composition in common.

For each property being compared, the top bar is S35140 stainless steel and the bottom bar is S43037 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210
160
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 34
25
Fatigue Strength, MPa 250
160
Poisson's Ratio 0.28
0.28
Rockwell B Hardness 88
77
Shear Modulus, GPa 78
77
Shear Strength, MPa 460
260
Tensile Strength: Ultimate (UTS), MPa 690
410
Tensile Strength: Yield (Proof), MPa 310
230

Thermal Properties

Latent Heat of Fusion, J/g 300
280
Maximum Temperature: Corrosion, °C 500
510
Maximum Temperature: Mechanical, °C 1100
880
Melting Completion (Liquidus), °C 1420
1440
Melting Onset (Solidus), °C 1370
1400
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 14
25
Thermal Expansion, µm/m-K 16
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 1.9
3.4

Otherwise Unclassified Properties

Base Metal Price, % relative 31
9.0
Density, g/cm3 8.0
7.7
Embodied Carbon, kg CO2/kg material 5.5
2.3
Embodied Energy, MJ/kg 78
32
Embodied Water, L/kg 190
120

Common Calculations

PREN (Pitting Resistance) 28
18
Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
88
Resilience: Unit (Modulus of Resilience), kJ/m3 250
130
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 24
15
Strength to Weight: Bending, points 22
16
Thermal Diffusivity, mm2/s 3.7
6.7
Thermal Shock Resistance, points 16
14

Alloy Composition

Carbon (C), % 0 to 0.1
0 to 0.030
Chromium (Cr), % 20 to 22
16 to 19
Iron (Fe), % 44.1 to 52.7
77.9 to 83.9
Manganese (Mn), % 1.0 to 3.0
0 to 1.0
Molybdenum (Mo), % 1.0 to 2.0
0
Nickel (Ni), % 25 to 27
0
Niobium (Nb), % 0.25 to 0.75
0
Nitrogen (N), % 0.080 to 0.2
0
Phosphorus (P), % 0 to 0.045
0 to 0.040
Silicon (Si), % 0 to 0.75
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030
Titanium (Ti), % 0
0.1 to 1.0