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S42035 Stainless Steel vs. EN 1.3940 Stainless Steel

Both S42035 stainless steel and EN 1.3940 stainless steel are iron alloys. They have 85% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is S42035 stainless steel and the bottom bar is EN 1.3940 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 18
34
Fatigue Strength, MPa 260
190
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
77
Tensile Strength: Ultimate (UTS), MPa 630
540
Tensile Strength: Yield (Proof), MPa 430
240

Thermal Properties

Latent Heat of Fusion, J/g 280
290
Maximum Temperature: Corrosion, °C 470
410
Maximum Temperature: Mechanical, °C 810
930
Melting Completion (Liquidus), °C 1450
1420
Melting Onset (Solidus), °C 1400
1380
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 27
15
Thermal Expansion, µm/m-K 10
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.7
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 3.2
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
17
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 2.4
3.3
Embodied Energy, MJ/kg 34
47
Embodied Water, L/kg 110
150

Common Calculations

PREN (Pitting Resistance) 17
20
Resilience: Ultimate (Unit Rupture Work), MJ/m3 100
150
Resilience: Unit (Modulus of Resilience), kJ/m3 460
150
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 22
19
Strength to Weight: Bending, points 21
19
Thermal Diffusivity, mm2/s 7.2
4.1
Thermal Shock Resistance, points 22
16

Alloy Composition

Carbon (C), % 0 to 0.080
0 to 0.030
Chromium (Cr), % 13.5 to 15.5
16.5 to 18.5
Iron (Fe), % 78.1 to 85
64.2 to 71.4
Manganese (Mn), % 0 to 1.0
0 to 2.0
Molybdenum (Mo), % 0.2 to 1.2
0
Nickel (Ni), % 1.0 to 2.5
12 to 14
Nitrogen (N), % 0
0.1 to 0.2
Phosphorus (P), % 0 to 0.045
0 to 0.035
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.020
Titanium (Ti), % 0.3 to 0.5
0