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S31277 Stainless Steel vs. S46910 Stainless Steel

Both S31277 stainless steel and S46910 stainless steel are iron alloys. They have 68% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is S31277 stainless steel and the bottom bar is S46910 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 45
2.2 to 11
Fatigue Strength, MPa 380
250 to 1020
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 80
76
Shear Strength, MPa 600
410 to 1410
Tensile Strength: Ultimate (UTS), MPa 860
680 to 2470
Tensile Strength: Yield (Proof), MPa 410
450 to 2290

Thermal Properties

Latent Heat of Fusion, J/g 310
280
Maximum Temperature: Corrosion, °C 430
540
Maximum Temperature: Mechanical, °C 1100
810
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
11

Otherwise Unclassified Properties

Base Metal Price, % relative 36
18
Density, g/cm3 8.1
7.9
Embodied Carbon, kg CO2/kg material 6.7
4.1
Embodied Energy, MJ/kg 90
55
Embodied Water, L/kg 220
140

Common Calculations

PREN (Pitting Resistance) 51
25
Resilience: Ultimate (Unit Rupture Work), MJ/m3 320
48 to 130
Resilience: Unit (Modulus of Resilience), kJ/m3 410
510 to 4780
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 29
24 to 86
Strength to Weight: Bending, points 25
22 to 51
Thermal Shock Resistance, points 19
23 to 84

Alloy Composition

Aluminum (Al), % 0
0.15 to 0.5
Carbon (C), % 0 to 0.020
0 to 0.030
Chromium (Cr), % 20.5 to 23
11 to 13
Copper (Cu), % 0.5 to 1.5
1.5 to 3.5
Iron (Fe), % 35.5 to 46.2
65 to 76
Manganese (Mn), % 0 to 3.0
0 to 1.0
Molybdenum (Mo), % 6.5 to 8.0
3.0 to 5.0
Nickel (Ni), % 26 to 28
8.0 to 10
Nitrogen (N), % 0.3 to 0.4
0
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 0 to 0.5
0 to 0.7
Sulfur (S), % 0 to 0.010
0 to 0.015
Titanium (Ti), % 0
0.5 to 1.2