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S64512 Stainless Steel vs. EN 1.4122 Stainless Steel

Both S64512 stainless steel and EN 1.4122 stainless steel are iron alloys. They have a moderately high 95% 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 S64512 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, % 17
14
Fatigue Strength, MPa 540
260 to 360
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
77
Shear Strength, MPa 700
480 to 520
Tensile Strength: Ultimate (UTS), MPa 1140
790 to 850
Tensile Strength: Yield (Proof), MPa 890
450 to 630

Thermal Properties

Latent Heat of Fusion, J/g 270
280
Maximum Temperature: Corrosion, °C 390
400
Maximum Temperature: Mechanical, °C 750
870
Melting Completion (Liquidus), °C 1460
1440
Melting Onset (Solidus), °C 1420
1400
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 28
15
Thermal Expansion, µm/m-K 10
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.6
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 4.1
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 10
9.5
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 3.3
2.4
Embodied Energy, MJ/kg 47
33
Embodied Water, L/kg 110
120

Common Calculations

PREN (Pitting Resistance) 18
20
Resilience: Ultimate (Unit Rupture Work), MJ/m3 180
93 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 2020
520 to 1000
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 40
28 to 31
Strength to Weight: Bending, points 31
25 to 26
Thermal Diffusivity, mm2/s 7.5
4.0
Thermal Shock Resistance, points 42
28 to 30

Alloy Composition

Carbon (C), % 0.080 to 0.15
0.33 to 0.45
Chromium (Cr), % 11 to 12.5
15.5 to 17.5
Iron (Fe), % 80.6 to 84.7
77.2 to 83.4
Manganese (Mn), % 0.5 to 0.9
0 to 1.5
Molybdenum (Mo), % 1.5 to 2.0
0.8 to 1.3
Nickel (Ni), % 2.0 to 3.0
0 to 1.0
Nitrogen (N), % 0.010 to 0.050
0
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0 to 0.35
0 to 1.0
Sulfur (S), % 0 to 0.025
0 to 0.015
Vanadium (V), % 0.25 to 0.4
0