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S31277 Stainless Steel vs. S64512 Stainless Steel

Both S31277 stainless steel and S64512 stainless steel are iron alloys. They have 58% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is S31277 stainless steel and the bottom bar is S64512 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 45
17
Fatigue Strength, MPa 380
540
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 80
76
Shear Strength, MPa 600
700
Tensile Strength: Ultimate (UTS), MPa 860
1140
Tensile Strength: Yield (Proof), MPa 410
890

Thermal Properties

Latent Heat of Fusion, J/g 310
270
Maximum Temperature: Corrosion, °C 430
390
Maximum Temperature: Mechanical, °C 1100
750
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1410
1420
Specific Heat Capacity, J/kg-K 460
470
Thermal Expansion, µm/m-K 16
10

Otherwise Unclassified Properties

Base Metal Price, % relative 36
10
Density, g/cm3 8.1
7.8
Embodied Carbon, kg CO2/kg material 6.7
3.3
Embodied Energy, MJ/kg 90
47
Embodied Water, L/kg 220
110

Common Calculations

PREN (Pitting Resistance) 51
18
Resilience: Ultimate (Unit Rupture Work), MJ/m3 320
180
Resilience: Unit (Modulus of Resilience), kJ/m3 410
2020
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 29
40
Strength to Weight: Bending, points 25
31
Thermal Shock Resistance, points 19
42

Alloy Composition

Carbon (C), % 0 to 0.020
0.080 to 0.15
Chromium (Cr), % 20.5 to 23
11 to 12.5
Copper (Cu), % 0.5 to 1.5
0
Iron (Fe), % 35.5 to 46.2
80.6 to 84.7
Manganese (Mn), % 0 to 3.0
0.5 to 0.9
Molybdenum (Mo), % 6.5 to 8.0
1.5 to 2.0
Nickel (Ni), % 26 to 28
2.0 to 3.0
Nitrogen (N), % 0.3 to 0.4
0.010 to 0.050
Phosphorus (P), % 0 to 0.030
0 to 0.025
Silicon (Si), % 0 to 0.5
0 to 0.35
Sulfur (S), % 0 to 0.010
0 to 0.025
Vanadium (V), % 0
0.25 to 0.4