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EN 1.4640 Stainless Steel vs. S42010 Stainless Steel

Both EN 1.4640 stainless steel and S42010 stainless steel are iron alloys. They have 86% of their average alloy composition in common. There are 32 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 EN 1.4640 stainless steel and the bottom bar is S42010 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 51
18
Fatigue Strength, MPa 230 to 250
220
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
76
Shear Strength, MPa 440 to 460
370
Tensile Strength: Ultimate (UTS), MPa 620 to 650
590
Tensile Strength: Yield (Proof), MPa 240 to 260
350

Thermal Properties

Latent Heat of Fusion, J/g 280
280
Maximum Temperature: Corrosion, °C 420
390
Maximum Temperature: Mechanical, °C 930
800
Melting Completion (Liquidus), °C 1420
1440
Melting Onset (Solidus), °C 1380
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 15
29
Thermal Expansion, µm/m-K 16
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
2.7
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
3.2

Otherwise Unclassified Properties

Base Metal Price, % relative 14
8.5
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 2.8
2.2
Embodied Energy, MJ/kg 40
30
Embodied Water, L/kg 150
110

Common Calculations

PREN (Pitting Resistance) 20
16
Resilience: Ultimate (Unit Rupture Work), MJ/m3 250 to 260
95
Resilience: Unit (Modulus of Resilience), kJ/m3 150 to 170
310
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 22 to 23
21
Strength to Weight: Bending, points 21
20
Thermal Diffusivity, mm2/s 4.0
7.9
Thermal Shock Resistance, points 14 to 15
21

Alloy Composition

Carbon (C), % 0.030 to 0.080
0.15 to 0.3
Chromium (Cr), % 18 to 19
13.5 to 15
Copper (Cu), % 1.3 to 2.0
0
Iron (Fe), % 67.4 to 73.6
80.9 to 85.6
Manganese (Mn), % 1.5 to 4.0
0 to 1.0
Molybdenum (Mo), % 0
0.4 to 0.85
Nickel (Ni), % 5.5 to 6.9
0.35 to 0.85
Nitrogen (N), % 0.030 to 0.11
0
Phosphorus (P), % 0 to 0.045
0 to 0.040
Silicon (Si), % 0 to 0.5
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.030