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EN 1.4901 Stainless Steel vs. S42300 Stainless Steel

Both EN 1.4901 stainless steel and S42300 stainless steel are iron alloys. They have a moderately high 94% of their average alloy composition in common. There are 33 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is EN 1.4901 stainless steel and the bottom bar is S42300 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 19
9.1
Fatigue Strength, MPa 310
440
Impact Strength: V-Notched Charpy, J 38
13
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
77
Shear Strength, MPa 460
650
Tensile Strength: Ultimate (UTS), MPa 740
1100
Tensile Strength: Yield (Proof), MPa 490
850

Thermal Properties

Latent Heat of Fusion, J/g 260
270
Maximum Temperature: Corrosion, °C 380
380
Maximum Temperature: Mechanical, °C 650
750
Melting Completion (Liquidus), °C 1490
1470
Melting Onset (Solidus), °C 1450
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 26
25
Thermal Expansion, µm/m-K 12
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.2
4.5
Electrical Conductivity: Equal Weight (Specific), % IACS 9.3
5.2

Otherwise Unclassified Properties

Base Metal Price, % relative 11
9.5
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 2.8
3.2
Embodied Energy, MJ/kg 40
44
Embodied Water, L/kg 89
110

Common Calculations

PREN (Pitting Resistance) 14
21
Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
93
Resilience: Unit (Modulus of Resilience), kJ/m3 620
1840
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 26
39
Strength to Weight: Bending, points 23
30
Thermal Diffusivity, mm2/s 6.9
6.8
Thermal Shock Resistance, points 23
40

Alloy Composition

Aluminum (Al), % 0 to 0.020
0
Boron (B), % 0.0010 to 0.0060
0
Carbon (C), % 0.070 to 0.13
0.27 to 0.32
Chromium (Cr), % 8.5 to 9.5
11 to 12
Iron (Fe), % 85.8 to 89.1
82 to 85.1
Manganese (Mn), % 0.3 to 0.6
1.0 to 1.4
Molybdenum (Mo), % 0.3 to 0.6
2.5 to 3.0
Nickel (Ni), % 0 to 0.4
0 to 0.5
Niobium (Nb), % 0.040 to 0.090
0
Nitrogen (N), % 0.030 to 0.070
0
Phosphorus (P), % 0 to 0.020
0 to 0.025
Silicon (Si), % 0 to 0.5
0 to 0.5
Sulfur (S), % 0 to 0.010
0 to 0.025
Titanium (Ti), % 0 to 0.010
0
Tungsten (W), % 1.5 to 2.0
0
Vanadium (V), % 0.15 to 0.25
0.2 to 0.3
Zirconium (Zr), % 0 to 0.010
0