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S30415 Stainless Steel vs. S31260 Stainless Steel

Both S30415 stainless steel and S31260 stainless steel are iron alloys. Both are furnished in the annealed condition. They have 90% of their average alloy composition in common. There are 33 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 S30415 stainless steel and the bottom bar is S31260 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
260
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 45
23
Fatigue Strength, MPa 300
370
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 77
80
Shear Strength, MPa 470
500
Tensile Strength: Ultimate (UTS), MPa 670
790
Tensile Strength: Yield (Proof), MPa 330
540

Thermal Properties

Latent Heat of Fusion, J/g 300
300
Maximum Temperature: Corrosion, °C 420
450
Maximum Temperature: Mechanical, °C 940
1100
Melting Completion (Liquidus), °C 1410
1450
Melting Onset (Solidus), °C 1370
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 21
16
Thermal Expansion, µm/m-K 17
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 15
20
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 3.1
3.9
Embodied Energy, MJ/kg 43
53
Embodied Water, L/kg 140
180

Common Calculations

PREN (Pitting Resistance) 21
39
Resilience: Ultimate (Unit Rupture Work), MJ/m3 250
160
Resilience: Unit (Modulus of Resilience), kJ/m3 280
720
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 24
28
Strength to Weight: Bending, points 22
24
Thermal Diffusivity, mm2/s 5.6
4.3
Thermal Shock Resistance, points 15
22

Alloy Composition

Carbon (C), % 0.040 to 0.060
0 to 0.030
Cerium (Ce), % 0.030 to 0.080
0
Chromium (Cr), % 18 to 19
24 to 26
Copper (Cu), % 0
0.2 to 0.8
Iron (Fe), % 67.8 to 71.8
59.6 to 67.6
Manganese (Mn), % 0 to 0.8
0 to 1.0
Molybdenum (Mo), % 0
2.5 to 3.5
Nickel (Ni), % 9.0 to 10
5.5 to 7.5
Nitrogen (N), % 0.12 to 0.18
0.1 to 0.3
Phosphorus (P), % 0 to 0.045
0 to 0.030
Silicon (Si), % 1.0 to 2.0
0 to 0.75
Sulfur (S), % 0 to 0.030
0 to 0.030
Tungsten (W), % 0
0.1 to 0.5