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S30615 Stainless Steel vs. S31260 Stainless Steel

Both S30615 stainless steel and S31260 stainless steel are iron alloys. Both are furnished in the annealed condition. They have 87% of their average alloy composition in common. There are 31 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 S30615 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 190
200
Elongation at Break, % 39
23
Fatigue Strength, MPa 270
370
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 75
80
Shear Strength, MPa 470
500
Tensile Strength: Ultimate (UTS), MPa 690
790
Tensile Strength: Yield (Proof), MPa 310
540

Thermal Properties

Latent Heat of Fusion, J/g 340
300
Maximum Temperature: Corrosion, °C 410
450
Maximum Temperature: Mechanical, °C 960
1100
Melting Completion (Liquidus), °C 1370
1450
Melting Onset (Solidus), °C 1320
1400
Specific Heat Capacity, J/kg-K 500
480
Thermal Conductivity, W/m-K 14
16
Thermal Expansion, µm/m-K 16
13

Otherwise Unclassified Properties

Base Metal Price, % relative 19
20
Density, g/cm3 7.6
7.8
Embodied Carbon, kg CO2/kg material 3.7
3.9
Embodied Energy, MJ/kg 53
53
Embodied Water, L/kg 170
180

Common Calculations

PREN (Pitting Resistance) 18
39
Resilience: Ultimate (Unit Rupture Work), MJ/m3 220
160
Resilience: Unit (Modulus of Resilience), kJ/m3 260
720
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 25
28
Strength to Weight: Bending, points 23
24
Thermal Diffusivity, mm2/s 3.7
4.3
Thermal Shock Resistance, points 16
22

Alloy Composition

Aluminum (Al), % 0.8 to 1.5
0
Carbon (C), % 0.16 to 0.24
0 to 0.030
Chromium (Cr), % 17 to 19.5
24 to 26
Copper (Cu), % 0
0.2 to 0.8
Iron (Fe), % 56.7 to 65.3
59.6 to 67.6
Manganese (Mn), % 0 to 2.0
0 to 1.0
Molybdenum (Mo), % 0
2.5 to 3.5
Nickel (Ni), % 13.5 to 16
5.5 to 7.5
Nitrogen (N), % 0
0.1 to 0.3
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 3.2 to 4.0
0 to 0.75
Sulfur (S), % 0 to 0.030
0 to 0.030
Tungsten (W), % 0
0.1 to 0.5