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S64512 Stainless Steel vs. EN 1.4378 Stainless Steel

Both S64512 stainless steel and EN 1.4378 stainless steel are iron alloys. They have 80% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is S64512 stainless steel and the bottom bar is EN 1.4378 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 330
190 to 340
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 17
14 to 34
Fatigue Strength, MPa 540
340 to 550
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
77
Shear Strength, MPa 700
510 to 680
Tensile Strength: Ultimate (UTS), MPa 1140
760 to 1130
Tensile Strength: Yield (Proof), MPa 890
430 to 970

Thermal Properties

Latent Heat of Fusion, J/g 270
290
Maximum Temperature: Corrosion, °C 390
410
Maximum Temperature: Mechanical, °C 750
910
Melting Completion (Liquidus), °C 1460
1390
Melting Onset (Solidus), °C 1420
1350
Specific Heat Capacity, J/kg-K 470
480
Thermal Expansion, µm/m-K 10
17

Otherwise Unclassified Properties

Base Metal Price, % relative 10
12
Density, g/cm3 7.8
7.6
Embodied Carbon, kg CO2/kg material 3.3
2.7
Embodied Energy, MJ/kg 47
39
Embodied Water, L/kg 110
150

Common Calculations

PREN (Pitting Resistance) 18
23
Resilience: Ultimate (Unit Rupture Work), MJ/m3 180
150 to 220
Resilience: Unit (Modulus of Resilience), kJ/m3 2020
470 to 2370
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 40
28 to 41
Strength to Weight: Bending, points 31
24 to 31
Thermal Shock Resistance, points 42
16 to 23

Alloy Composition

Carbon (C), % 0.080 to 0.15
0 to 0.080
Chromium (Cr), % 11 to 12.5
17 to 19
Iron (Fe), % 80.6 to 84.7
61.2 to 69
Manganese (Mn), % 0.5 to 0.9
11.5 to 14.5
Molybdenum (Mo), % 1.5 to 2.0
0
Nickel (Ni), % 2.0 to 3.0
2.3 to 3.7
Nitrogen (N), % 0.010 to 0.050
0.2 to 0.4
Phosphorus (P), % 0 to 0.025
0 to 0.060
Silicon (Si), % 0 to 0.35
0 to 1.0
Sulfur (S), % 0 to 0.025
0 to 0.030
Vanadium (V), % 0.25 to 0.4
0