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S42300 Stainless Steel vs. EN 1.6958 Steel

Both S42300 stainless steel and EN 1.6958 steel are iron alloys. They have 87% of their average alloy composition in common. There are 34 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 S42300 stainless steel and the bottom bar is EN 1.6958 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 330
340
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 9.1
16
Fatigue Strength, MPa 440
700
Impact Strength: V-Notched Charpy, J 13
63
Poisson's Ratio 0.28
0.29
Reduction in Area, % 22
56
Shear Modulus, GPa 77
73
Shear Strength, MPa 650
700
Tensile Strength: Ultimate (UTS), MPa 1100
1140
Tensile Strength: Yield (Proof), MPa 850
1070

Thermal Properties

Latent Heat of Fusion, J/g 270
250
Maximum Temperature: Mechanical, °C 750
450
Melting Completion (Liquidus), °C 1470
1460
Melting Onset (Solidus), °C 1420
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 25
47
Thermal Expansion, µm/m-K 10
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 4.5
7.9
Electrical Conductivity: Equal Weight (Specific), % IACS 5.2
9.1

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
5.0
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 3.2
2.0
Embodied Energy, MJ/kg 44
27
Embodied Water, L/kg 110
60

Common Calculations

PREN (Pitting Resistance) 21
2.9
Resilience: Ultimate (Unit Rupture Work), MJ/m3 93
180
Resilience: Unit (Modulus of Resilience), kJ/m3 1840
3050
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 39
40
Strength to Weight: Bending, points 30
31
Thermal Diffusivity, mm2/s 6.8
13
Thermal Shock Resistance, points 40
39

Alloy Composition

Aluminum (Al), % 0
0.0050 to 0.050
Carbon (C), % 0.27 to 0.32
0.25 to 0.3
Chromium (Cr), % 11 to 12
1.2 to 1.7
Iron (Fe), % 82 to 85.1
92.6 to 94.5
Manganese (Mn), % 1.0 to 1.4
0.2 to 0.5
Molybdenum (Mo), % 2.5 to 3.0
0.35 to 0.55
Nickel (Ni), % 0 to 0.5
3.3 to 3.8
Phosphorus (P), % 0 to 0.025
0 to 0.020
Silicon (Si), % 0 to 0.5
0.15 to 0.3
Sulfur (S), % 0 to 0.025
0 to 0.015
Vanadium (V), % 0.2 to 0.3
0 to 0.12