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EN 1.4981 Stainless Steel vs. S42010 Stainless Steel

Both EN 1.4981 stainless steel and S42010 stainless steel are iron alloys. They have 80% of their average alloy composition in common. There are 32 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 EN 1.4981 stainless steel and the bottom bar is S42010 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 39
18
Fatigue Strength, MPa 210
220
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
76
Shear Strength, MPa 420
370
Tensile Strength: Ultimate (UTS), MPa 610
590
Tensile Strength: Yield (Proof), MPa 240
350

Thermal Properties

Latent Heat of Fusion, J/g 290
280
Maximum Temperature: Corrosion, °C 520
390
Maximum Temperature: Mechanical, °C 940
800
Melting Completion (Liquidus), °C 1440
1440
Melting Onset (Solidus), °C 1400
1400
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 16
29
Thermal Expansion, µm/m-K 16
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
2.7
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
3.2

Otherwise Unclassified Properties

Base Metal Price, % relative 25
8.5
Density, g/cm3 7.9
7.7
Embodied Carbon, kg CO2/kg material 4.8
2.2
Embodied Energy, MJ/kg 67
30
Embodied Water, L/kg 150
110

Common Calculations

PREN (Pitting Resistance) 22
16
Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
95
Resilience: Unit (Modulus of Resilience), kJ/m3 150
310
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 21
21
Strength to Weight: Bending, points 20
20
Thermal Diffusivity, mm2/s 4.3
7.9
Thermal Shock Resistance, points 14
21

Alloy Composition

Carbon (C), % 0.040 to 0.1
0.15 to 0.3
Chromium (Cr), % 15.5 to 17.5
13.5 to 15
Iron (Fe), % 59.6 to 66.7
80.9 to 85.6
Manganese (Mn), % 0 to 1.5
0 to 1.0
Molybdenum (Mo), % 1.6 to 2.0
0.4 to 0.85
Nickel (Ni), % 15.5 to 17.5
0.35 to 0.85
Niobium (Nb), % 0.4 to 1.2
0
Phosphorus (P), % 0 to 0.035
0 to 0.040
Silicon (Si), % 0.3 to 0.6
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.030