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EN 1.4658 Stainless Steel vs. S42030 Stainless Steel

Both EN 1.4658 stainless steel and S42030 stainless steel are iron alloys. They have 74% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is EN 1.4658 stainless steel and the bottom bar is S42030 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 28
16
Fatigue Strength, MPa 530
250
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 81
76
Shear Strength, MPa 580
410
Tensile Strength: Ultimate (UTS), MPa 900
670
Tensile Strength: Yield (Proof), MPa 730
410

Thermal Properties

Latent Heat of Fusion, J/g 300
280
Maximum Temperature: Corrosion, °C 460
390
Maximum Temperature: Mechanical, °C 1100
780
Melting Completion (Liquidus), °C 1450
1450
Melting Onset (Solidus), °C 1400
1410
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 16
28
Thermal Expansion, µm/m-K 13
10

Otherwise Unclassified Properties

Base Metal Price, % relative 25
10
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 4.5
2.5
Embodied Energy, MJ/kg 61
34
Embodied Water, L/kg 200
110

Common Calculations

PREN (Pitting Resistance) 49
20
Resilience: Ultimate (Unit Rupture Work), MJ/m3 240
92
Resilience: Unit (Modulus of Resilience), kJ/m3 1280
440
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 32
24
Strength to Weight: Bending, points 26
22
Thermal Diffusivity, mm2/s 4.3
7.7
Thermal Shock Resistance, points 24
24

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.3
Chromium (Cr), % 26 to 29
12 to 14
Cobalt (Co), % 0.5 to 2.0
0
Copper (Cu), % 0 to 1.0
2.0 to 3.0
Iron (Fe), % 50.9 to 63.7
77.6 to 85
Manganese (Mn), % 0 to 1.5
0 to 1.0
Molybdenum (Mo), % 4.0 to 5.0
1.0 to 3.0
Nickel (Ni), % 5.5 to 9.5
0
Nitrogen (N), % 0.3 to 0.5
0
Phosphorus (P), % 0 to 0.035
0 to 0.040
Silicon (Si), % 0 to 0.5
0 to 1.0
Sulfur (S), % 0 to 0.010
0 to 0.030