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S43940 Stainless Steel vs. EN 1.4313 Stainless Steel

Both S43940 stainless steel and EN 1.4313 stainless steel are iron alloys. They have a moderately high 94% 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 EN 1.4313 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 21
12 to 17
Fatigue Strength, MPa 180
340 to 510
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
76
Shear Strength, MPa 310
460 to 600
Tensile Strength: Ultimate (UTS), MPa 490
750 to 1000
Tensile Strength: Yield (Proof), MPa 280
580 to 910

Thermal Properties

Latent Heat of Fusion, J/g 280
280
Maximum Temperature: Corrosion, °C 540
390
Maximum Temperature: Mechanical, °C 890
780
Melting Completion (Liquidus), °C 1440
1450
Melting Onset (Solidus), °C 1400
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 25
25
Thermal Expansion, µm/m-K 10
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 3.4
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 12
10
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.6
2.4
Embodied Energy, MJ/kg 38
34
Embodied Water, L/kg 120
110

Common Calculations

PREN (Pitting Resistance) 18
15
Resilience: Ultimate (Unit Rupture Work), MJ/m3 86
110 to 150
Resilience: Unit (Modulus of Resilience), kJ/m3 200
870 to 2100
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 18
27 to 36
Strength to Weight: Bending, points 18
23 to 28
Thermal Diffusivity, mm2/s 6.8
6.7
Thermal Shock Resistance, points 18
27 to 36

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.050
Chromium (Cr), % 17.5 to 18.5
12 to 14
Iron (Fe), % 78.2 to 82.1
78.5 to 84.2
Manganese (Mn), % 0 to 1.0
0 to 1.5
Molybdenum (Mo), % 0
0.3 to 0.7
Nickel (Ni), % 0
3.5 to 4.5
Niobium (Nb), % 0.3 to 0.6
0
Nitrogen (N), % 0
0 to 0.020
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 0.7
Sulfur (S), % 0 to 0.015
0 to 0.015
Titanium (Ti), % 0.1 to 0.6
0