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EN 1.3955 Stainless Steel vs. S42300 Stainless Steel

Both EN 1.3955 stainless steel and S42300 stainless steel are iron alloys. They have 83% 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 EN 1.3955 stainless steel and the bottom bar is S42300 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 23
9.1
Fatigue Strength, MPa 150
440
Impact Strength: V-Notched Charpy, J 90
13
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
77
Tensile Strength: Ultimate (UTS), MPa 520
1100
Tensile Strength: Yield (Proof), MPa 220
850

Thermal Properties

Latent Heat of Fusion, J/g 290
270
Maximum Temperature: Corrosion, °C 410
380
Maximum Temperature: Mechanical, °C 930
750
Melting Completion (Liquidus), °C 1430
1470
Melting Onset (Solidus), °C 1380
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
25
Thermal Expansion, µm/m-K 12
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
4.5
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
5.2

Otherwise Unclassified Properties

Base Metal Price, % relative 16
9.5
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 3.2
3.2
Embodied Energy, MJ/kg 45
44
Embodied Water, L/kg 140
110

Common Calculations

PREN (Pitting Resistance) 19
21
Resilience: Ultimate (Unit Rupture Work), MJ/m3 95
93
Resilience: Unit (Modulus of Resilience), kJ/m3 130
1840
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 18
39
Strength to Weight: Bending, points 18
30
Thermal Diffusivity, mm2/s 4.1
6.8
Thermal Shock Resistance, points 15
40

Alloy Composition

Carbon (C), % 0 to 0.15
0.27 to 0.32
Chromium (Cr), % 16.5 to 18.5
11 to 12
Iron (Fe), % 65.5 to 73.5
82 to 85.1
Manganese (Mn), % 0 to 2.0
1.0 to 1.4
Molybdenum (Mo), % 0 to 0.75
2.5 to 3.0
Nickel (Ni), % 10 to 12
0 to 0.5
Phosphorus (P), % 0 to 0.045
0 to 0.025
Silicon (Si), % 0 to 1.0
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.025
Vanadium (V), % 0
0.2 to 0.3