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S35135 Stainless Steel vs. S43940 Stainless Steel

Both S35135 stainless steel and S43940 stainless steel are iron alloys. Both are furnished in the annealed condition. They have 56% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is S35135 stainless steel and the bottom bar is S43940 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 34
21
Fatigue Strength, MPa 180
180
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 79
77
Shear Strength, MPa 390
310
Tensile Strength: Ultimate (UTS), MPa 590
490
Tensile Strength: Yield (Proof), MPa 230
280

Thermal Properties

Latent Heat of Fusion, J/g 320
280
Maximum Temperature: Corrosion, °C 560
540
Maximum Temperature: Mechanical, °C 1100
890
Melting Completion (Liquidus), °C 1430
1440
Melting Onset (Solidus), °C 1380
1400
Specific Heat Capacity, J/kg-K 470
480
Thermal Expansion, µm/m-K 16
10

Otherwise Unclassified Properties

Base Metal Price, % relative 37
12
Density, g/cm3 8.1
7.7
Embodied Carbon, kg CO2/kg material 6.8
2.6
Embodied Energy, MJ/kg 94
38
Embodied Water, L/kg 220
120

Common Calculations

PREN (Pitting Resistance) 37
18
Resilience: Ultimate (Unit Rupture Work), MJ/m3 160
86
Resilience: Unit (Modulus of Resilience), kJ/m3 130
200
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 20
18
Strength to Weight: Bending, points 19
18
Thermal Shock Resistance, points 13
18

Alloy Composition

Carbon (C), % 0 to 0.080
0 to 0.030
Chromium (Cr), % 20 to 25
17.5 to 18.5
Copper (Cu), % 0 to 0.75
0
Iron (Fe), % 28.3 to 45
78.2 to 82.1
Manganese (Mn), % 0 to 1.0
0 to 1.0
Molybdenum (Mo), % 4.0 to 4.8
0
Nickel (Ni), % 30 to 38
0
Niobium (Nb), % 0
0.3 to 0.6
Phosphorus (P), % 0 to 0.045
0 to 0.040
Silicon (Si), % 0.6 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.015
Titanium (Ti), % 0.4 to 1.0
0.1 to 0.6