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S42300 Stainless Steel vs. EN 1.7720 Steel

Both S42300 stainless steel and EN 1.7720 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 (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 1.7720 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 330
180
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 9.1
19
Fatigue Strength, MPa 440
230
Impact Strength: V-Notched Charpy, J 13
30
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
73
Tensile Strength: Ultimate (UTS), MPa 1100
590
Tensile Strength: Yield (Proof), MPa 850
340

Thermal Properties

Latent Heat of Fusion, J/g 270
250
Maximum Temperature: Mechanical, °C 750
410
Melting Completion (Liquidus), °C 1470
1470
Melting Onset (Solidus), °C 1420
1430
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 25
40
Thermal Expansion, µm/m-K 10
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 4.5
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 5.2
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
2.8
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 3.2
2.2
Embodied Energy, MJ/kg 44
30
Embodied Water, L/kg 110
51

Common Calculations

PREN (Pitting Resistance) 21
2.1
Resilience: Ultimate (Unit Rupture Work), MJ/m3 93
97
Resilience: Unit (Modulus of Resilience), kJ/m3 1840
300
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 39
21
Strength to Weight: Bending, points 30
20
Thermal Diffusivity, mm2/s 6.8
11
Thermal Shock Resistance, points 40
17

Alloy Composition

Carbon (C), % 0.27 to 0.32
0.1 to 0.15
Chromium (Cr), % 11 to 12
0.3 to 0.5
Copper (Cu), % 0
0 to 0.3
Iron (Fe), % 82 to 85.1
96.6 to 98.6
Manganese (Mn), % 1.0 to 1.4
0.4 to 0.7
Molybdenum (Mo), % 2.5 to 3.0
0.4 to 0.6
Nickel (Ni), % 0 to 0.5
0 to 0.4
Phosphorus (P), % 0 to 0.025
0 to 0.030
Silicon (Si), % 0 to 0.5
0 to 0.45
Sulfur (S), % 0 to 0.025
0 to 0.020
Vanadium (V), % 0.2 to 0.3
0.22 to 0.3