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S44625 Stainless Steel vs. S64512 Stainless Steel

Both S44625 stainless steel and S64512 stainless steel are iron alloys. They have 85% 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 S44625 stainless steel and the bottom bar is S64512 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 22
17
Fatigue Strength, MPa 240
540
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 80
76
Shear Strength, MPa 370
700
Tensile Strength: Ultimate (UTS), MPa 590
1140
Tensile Strength: Yield (Proof), MPa 360
890

Thermal Properties

Latent Heat of Fusion, J/g 290
270
Maximum Temperature: Corrosion, °C 450
390
Maximum Temperature: Mechanical, °C 1100
750
Melting Completion (Liquidus), °C 1440
1460
Melting Onset (Solidus), °C 1400
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 17
28
Thermal Expansion, µm/m-K 11
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
3.6
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
4.1

Otherwise Unclassified Properties

Base Metal Price, % relative 14
10
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.8
3.3
Embodied Energy, MJ/kg 39
47
Embodied Water, L/kg 160
110

Common Calculations

PREN (Pitting Resistance) 30
18
Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
180
Resilience: Unit (Modulus of Resilience), kJ/m3 310
2020
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 21
40
Strength to Weight: Bending, points 20
31
Thermal Diffusivity, mm2/s 4.6
7.5
Thermal Shock Resistance, points 19
42

Alloy Composition

Carbon (C), % 0 to 0.010
0.080 to 0.15
Chromium (Cr), % 25 to 27.5
11 to 12.5
Copper (Cu), % 0 to 0.2
0
Iron (Fe), % 69.4 to 74.3
80.6 to 84.7
Manganese (Mn), % 0 to 0.4
0.5 to 0.9
Molybdenum (Mo), % 0.75 to 1.5
1.5 to 2.0
Nickel (Ni), % 0 to 0.5
2.0 to 3.0
Nitrogen (N), % 0 to 0.015
0.010 to 0.050
Phosphorus (P), % 0 to 0.020
0 to 0.025
Silicon (Si), % 0 to 0.4
0 to 0.35
Sulfur (S), % 0 to 0.020
0 to 0.025
Vanadium (V), % 0
0.25 to 0.4