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S46800 Stainless Steel vs. EN 1.4122 Stainless Steel

Both S46800 stainless steel and EN 1.4122 stainless steel are iron alloys. They have a very high 97% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is S46800 stainless steel and the bottom bar is EN 1.4122 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 25
14
Fatigue Strength, MPa 160
260 to 360
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
77
Shear Strength, MPa 300
480 to 520
Tensile Strength: Ultimate (UTS), MPa 470
790 to 850
Tensile Strength: Yield (Proof), MPa 230
450 to 630

Thermal Properties

Latent Heat of Fusion, J/g 290
280
Maximum Temperature: Corrosion, °C 500
400
Maximum Temperature: Mechanical, °C 920
870
Melting Completion (Liquidus), °C 1440
1440
Melting Onset (Solidus), °C 1400
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 23
15
Thermal Expansion, µm/m-K 11
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.8
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 12
9.5
Density, g/cm3 7.7
7.7
Embodied Carbon, kg CO2/kg material 2.6
2.4
Embodied Energy, MJ/kg 37
33
Embodied Water, L/kg 130
120

Common Calculations

PREN (Pitting Resistance) 19
20
Resilience: Ultimate (Unit Rupture Work), MJ/m3 98
93 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 130
520 to 1000
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 17
28 to 31
Strength to Weight: Bending, points 18
25 to 26
Thermal Diffusivity, mm2/s 6.1
4.0
Thermal Shock Resistance, points 16
28 to 30

Alloy Composition

Carbon (C), % 0 to 0.030
0.33 to 0.45
Chromium (Cr), % 18 to 20
15.5 to 17.5
Iron (Fe), % 76.5 to 81.8
77.2 to 83.4
Manganese (Mn), % 0 to 1.0
0 to 1.5
Molybdenum (Mo), % 0
0.8 to 1.3
Nickel (Ni), % 0 to 0.5
0 to 1.0
Niobium (Nb), % 0.1 to 0.6
0
Nitrogen (N), % 0 to 0.030
0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.015
Titanium (Ti), % 0.070 to 0.3
0