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S64512 Stainless Steel vs. EN 1.4438 Stainless Steel

Both S64512 stainless steel and EN 1.4438 stainless steel are iron alloys. They have 79% of their average alloy composition in common. There are 34 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 S64512 stainless steel and the bottom bar is EN 1.4438 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 330
180
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 17
41
Fatigue Strength, MPa 540
220
Impact Strength: V-Notched Charpy, J 47
90
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
79
Shear Strength, MPa 700
420
Tensile Strength: Ultimate (UTS), MPa 1140
620
Tensile Strength: Yield (Proof), MPa 890
250

Thermal Properties

Latent Heat of Fusion, J/g 270
290
Maximum Temperature: Corrosion, °C 390
420
Maximum Temperature: Mechanical, °C 750
1000
Melting Completion (Liquidus), °C 1460
1450
Melting Onset (Solidus), °C 1420
1400
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 28
14
Thermal Expansion, µm/m-K 10
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.6
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 4.1
2.3

Otherwise Unclassified Properties

Base Metal Price, % relative 10
22
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 3.3
4.4
Embodied Energy, MJ/kg 47
60
Embodied Water, L/kg 110
160

Common Calculations

PREN (Pitting Resistance) 18
31
Resilience: Ultimate (Unit Rupture Work), MJ/m3 180
200
Resilience: Unit (Modulus of Resilience), kJ/m3 2020
150
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 40
22
Strength to Weight: Bending, points 31
20
Thermal Diffusivity, mm2/s 7.5
3.7
Thermal Shock Resistance, points 42
14

Alloy Composition

Carbon (C), % 0.080 to 0.15
0 to 0.030
Chromium (Cr), % 11 to 12.5
17.5 to 19.5
Iron (Fe), % 80.6 to 84.7
57.3 to 66.5
Manganese (Mn), % 0.5 to 0.9
0 to 2.0
Molybdenum (Mo), % 1.5 to 2.0
3.0 to 4.0
Nickel (Ni), % 2.0 to 3.0
13 to 16
Nitrogen (N), % 0.010 to 0.050
0 to 0.1
Phosphorus (P), % 0 to 0.025
0 to 0.045
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