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S31655 Stainless Steel vs. S64512 Stainless Steel

Both S31655 stainless steel and S64512 stainless steel are iron alloys. They have 84% of their average alloy composition in common. There are 33 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 S31655 stainless steel and the bottom bar is S64512 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210
330
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 39
17
Fatigue Strength, MPa 300
540
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 78
76
Shear Strength, MPa 490
700
Tensile Strength: Ultimate (UTS), MPa 710
1140
Tensile Strength: Yield (Proof), MPa 350
890

Thermal Properties

Latent Heat of Fusion, J/g 290
270
Maximum Temperature: Corrosion, °C 430
390
Maximum Temperature: Mechanical, °C 1010
750
Melting Completion (Liquidus), °C 1430
1460
Melting Onset (Solidus), °C 1380
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
28
Thermal Expansion, µm/m-K 16
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
3.6
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
4.1

Otherwise Unclassified Properties

Base Metal Price, % relative 17
10
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 3.3
3.3
Embodied Energy, MJ/kg 46
47
Embodied Water, L/kg 160
110

Common Calculations

PREN (Pitting Resistance) 27
18
Resilience: Ultimate (Unit Rupture Work), MJ/m3 230
180
Resilience: Unit (Modulus of Resilience), kJ/m3 310
2020
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 25
40
Strength to Weight: Bending, points 23
31
Thermal Diffusivity, mm2/s 4.0
7.5
Thermal Shock Resistance, points 16
42

Alloy Composition

Carbon (C), % 0 to 0.030
0.080 to 0.15
Chromium (Cr), % 19.5 to 21.5
11 to 12.5
Copper (Cu), % 0 to 1.0
0
Iron (Fe), % 63.2 to 71.9
80.6 to 84.7
Manganese (Mn), % 0 to 2.0
0.5 to 0.9
Molybdenum (Mo), % 0.5 to 1.5
1.5 to 2.0
Nickel (Ni), % 8.0 to 9.5
2.0 to 3.0
Nitrogen (N), % 0.14 to 0.25
0.010 to 0.050
Phosphorus (P), % 0 to 0.045
0 to 0.025
Silicon (Si), % 0 to 1.0
0 to 0.35
Sulfur (S), % 0 to 0.015
0 to 0.025
Vanadium (V), % 0
0.25 to 0.4