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S64512 Stainless Steel vs. EN 1.4008 Stainless Steel

Both S64512 stainless steel and EN 1.4008 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 (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 1.4008 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 17
17
Fatigue Strength, MPa 540
300
Impact Strength: V-Notched Charpy, J 47
31
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
76
Tensile Strength: Ultimate (UTS), MPa 1140
670
Tensile Strength: Yield (Proof), MPa 890
500

Thermal Properties

Latent Heat of Fusion, J/g 270
280
Maximum Temperature: Corrosion, °C 390
390
Maximum Temperature: Mechanical, °C 750
760
Melting Completion (Liquidus), °C 1460
1450
Melting Onset (Solidus), °C 1420
1400
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 28
25
Thermal Expansion, µm/m-K 10
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.6
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 4.1
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 10
8.0
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 3.3
2.1
Embodied Energy, MJ/kg 47
30
Embodied Water, L/kg 110
100

Common Calculations

PREN (Pitting Resistance) 18
14
Resilience: Ultimate (Unit Rupture Work), MJ/m3 180
100
Resilience: Unit (Modulus of Resilience), kJ/m3 2020
630
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 40
24
Strength to Weight: Bending, points 31
22
Thermal Diffusivity, mm2/s 7.5
6.7
Thermal Shock Resistance, points 42
23

Alloy Composition

Carbon (C), % 0.080 to 0.15
0 to 0.1
Chromium (Cr), % 11 to 12.5
12 to 13.5
Iron (Fe), % 80.6 to 84.7
81.8 to 86.8
Manganese (Mn), % 0.5 to 0.9
0 to 1.0
Molybdenum (Mo), % 1.5 to 2.0
0.2 to 0.5
Nickel (Ni), % 2.0 to 3.0
1.0 to 2.0
Nitrogen (N), % 0.010 to 0.050
0
Phosphorus (P), % 0 to 0.025
0 to 0.035
Silicon (Si), % 0 to 0.35
0 to 1.0
Sulfur (S), % 0 to 0.025
0 to 0.025
Vanadium (V), % 0.25 to 0.4
0