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S40920 Stainless Steel vs. EN 1.4310 Stainless Steel

Both S40920 stainless steel and EN 1.4310 stainless steel are iron alloys. They have 85% of their average alloy composition in common. There are 33 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is S40920 stainless steel and the bottom bar is EN 1.4310 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150
200 to 270
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 22
14 to 45
Fatigue Strength, MPa 130
240 to 330
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 75
77
Shear Strength, MPa 270
510 to 550
Tensile Strength: Ultimate (UTS), MPa 430
730 to 900
Tensile Strength: Yield (Proof), MPa 190
260 to 570

Thermal Properties

Latent Heat of Fusion, J/g 270
290
Maximum Temperature: Corrosion, °C 450
410
Maximum Temperature: Mechanical, °C 710
910
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 26
15
Thermal Expansion, µm/m-K 10
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 6.5
14
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.0
2.9
Embodied Energy, MJ/kg 28
42
Embodied Water, L/kg 94
140

Common Calculations

PREN (Pitting Resistance) 11
20
Resilience: Ultimate (Unit Rupture Work), MJ/m3 78
110 to 260
Resilience: Unit (Modulus of Resilience), kJ/m3 97
170 to 830
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 15
26 to 32
Strength to Weight: Bending, points 16
23 to 27
Thermal Diffusivity, mm2/s 6.9
4.0
Thermal Shock Resistance, points 15
15 to 18

Alloy Composition

Carbon (C), % 0 to 0.030
0.050 to 0.15
Chromium (Cr), % 10.5 to 11.7
16 to 19
Iron (Fe), % 85.1 to 89.4
66.4 to 78
Manganese (Mn), % 0 to 1.0
0 to 2.0
Molybdenum (Mo), % 0
0 to 0.8
Nickel (Ni), % 0 to 0.5
6.0 to 9.5
Niobium (Nb), % 0 to 0.1
0
Nitrogen (N), % 0 to 0.030
0 to 0.1
Phosphorus (P), % 0 to 0.040
0 to 0.045
Silicon (Si), % 0 to 1.0
0 to 2.0
Sulfur (S), % 0 to 0.020
0 to 0.015
Titanium (Ti), % 0.15 to 0.5
0