MakeItFrom.com
Menu (ESC)

S15500 Stainless Steel vs. S31254 Stainless Steel

Both S15500 stainless steel and S31254 stainless steel are iron alloys. They have 75% of their average alloy composition in common. There are 34 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 S15500 stainless steel and the bottom bar is S31254 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 290 to 430
190
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 6.8 to 16
40
Fatigue Strength, MPa 350 to 650
290
Poisson's Ratio 0.28
0.28
Reduction in Area, % 17 to 40
56
Shear Modulus, GPa 75
80
Shear Strength, MPa 540 to 870
490
Tensile Strength: Ultimate (UTS), MPa 890 to 1490
720
Tensile Strength: Yield (Proof), MPa 590 to 1310
330

Thermal Properties

Latent Heat of Fusion, J/g 280
300
Maximum Temperature: Corrosion, °C 440
420
Maximum Temperature: Mechanical, °C 820
1090
Melting Completion (Liquidus), °C 1430
1460
Melting Onset (Solidus), °C 1380
1420
Specific Heat Capacity, J/kg-K 480
460
Thermal Conductivity, W/m-K 17
14
Thermal Expansion, µm/m-K 11
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
2.3

Otherwise Unclassified Properties

Base Metal Price, % relative 13
28
Density, g/cm3 7.8
8.0
Embodied Carbon, kg CO2/kg material 2.7
5.5
Embodied Energy, MJ/kg 39
74
Embodied Water, L/kg 130
190

Common Calculations

PREN (Pitting Resistance) 15
44
Resilience: Ultimate (Unit Rupture Work), MJ/m3 98 to 120
240
Resilience: Unit (Modulus of Resilience), kJ/m3 890 to 4460
270
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 32 to 53
25
Strength to Weight: Bending, points 26 to 37
22
Thermal Diffusivity, mm2/s 4.6
3.8
Thermal Shock Resistance, points 30 to 50
15

Alloy Composition

Carbon (C), % 0 to 0.070
0 to 0.020
Chromium (Cr), % 14 to 15.5
19.5 to 20.5
Copper (Cu), % 2.5 to 4.5
0.5 to 1.0
Iron (Fe), % 71.9 to 79.9
51.4 to 56.3
Manganese (Mn), % 0 to 1.0
0 to 1.0
Molybdenum (Mo), % 0
6.0 to 6.5
Nickel (Ni), % 3.5 to 5.5
17.5 to 18.5
Niobium (Nb), % 0.15 to 0.45
0
Nitrogen (N), % 0
0.18 to 0.22
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 1.0
0 to 0.8
Sulfur (S), % 0 to 0.030
0 to 0.010