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S42300 Stainless Steel vs. EN 1.4421 Stainless Steel

Both S42300 stainless steel and EN 1.4421 stainless steel are iron alloys. They have a moderately high 90% 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 S42300 stainless steel and the bottom bar is EN 1.4421 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 9.1
11 to 17
Fatigue Strength, MPa 440
380 to 520
Impact Strength: V-Notched Charpy, J 13
30 to 67
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
77
Tensile Strength: Ultimate (UTS), MPa 1100
880 to 1100
Tensile Strength: Yield (Proof), MPa 850
620 to 950

Thermal Properties

Latent Heat of Fusion, J/g 270
280
Maximum Temperature: Corrosion, °C 380
410
Maximum Temperature: Mechanical, °C 750
870
Melting Completion (Liquidus), °C 1470
1440
Melting Onset (Solidus), °C 1420
1400
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 25
16
Thermal Expansion, µm/m-K 10
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 4.5
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 5.2
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
12
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 3.2
2.6
Embodied Energy, MJ/kg 44
36
Embodied Water, L/kg 110
130

Common Calculations

PREN (Pitting Resistance) 21
18
Resilience: Ultimate (Unit Rupture Work), MJ/m3 93
120 to 140
Resilience: Unit (Modulus of Resilience), kJ/m3 1840
960 to 2270
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 39
31 to 39
Strength to Weight: Bending, points 30
26 to 30
Thermal Diffusivity, mm2/s 6.8
4.4
Thermal Shock Resistance, points 40
31 to 39

Alloy Composition

Carbon (C), % 0.27 to 0.32
0 to 0.060
Chromium (Cr), % 11 to 12
15.5 to 17.5
Iron (Fe), % 82 to 85.1
74.4 to 80.5
Manganese (Mn), % 1.0 to 1.4
0 to 1.0
Molybdenum (Mo), % 2.5 to 3.0
0 to 0.7
Nickel (Ni), % 0 to 0.5
4.0 to 5.5
Phosphorus (P), % 0 to 0.025
0 to 0.035
Silicon (Si), % 0 to 0.5
0 to 0.8
Sulfur (S), % 0 to 0.025
0 to 0.020
Vanadium (V), % 0.2 to 0.3
0