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S41425 Stainless Steel vs. S15500 Stainless Steel

Both S41425 stainless steel and S15500 stainless steel are iron alloys. They have a moderately high 95% of their average alloy composition in common. There are 34 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 S41425 stainless steel and the bottom bar is S15500 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 280
290 to 430
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 17
6.8 to 16
Fatigue Strength, MPa 450
350 to 650
Poisson's Ratio 0.28
0.28
Reduction in Area, % 51
17 to 40
Shear Modulus, GPa 77
75
Shear Strength, MPa 570
540 to 870
Tensile Strength: Ultimate (UTS), MPa 920
890 to 1490
Tensile Strength: Yield (Proof), MPa 750
590 to 1310

Thermal Properties

Latent Heat of Fusion, J/g 280
280
Maximum Temperature: Corrosion, °C 390
440
Maximum Temperature: Mechanical, °C 810
820
Melting Completion (Liquidus), °C 1450
1430
Melting Onset (Solidus), °C 1410
1380
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 16
17
Thermal Expansion, µm/m-K 10
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 13
13
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 2.9
2.7
Embodied Energy, MJ/kg 40
39
Embodied Water, L/kg 120
130

Common Calculations

PREN (Pitting Resistance) 21
15
Resilience: Ultimate (Unit Rupture Work), MJ/m3 150
98 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 1420
890 to 4460
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 33
32 to 53
Strength to Weight: Bending, points 27
26 to 37
Thermal Diffusivity, mm2/s 4.4
4.6
Thermal Shock Resistance, points 33
30 to 50

Alloy Composition

Carbon (C), % 0 to 0.050
0 to 0.070
Chromium (Cr), % 12 to 15
14 to 15.5
Copper (Cu), % 0 to 0.3
2.5 to 4.5
Iron (Fe), % 74 to 81.9
71.9 to 79.9
Manganese (Mn), % 0.5 to 1.0
0 to 1.0
Molybdenum (Mo), % 1.5 to 2.0
0
Nickel (Ni), % 4.0 to 7.0
3.5 to 5.5
Niobium (Nb), % 0
0.15 to 0.45
Nitrogen (N), % 0.060 to 0.12
0
Phosphorus (P), % 0 to 0.020
0 to 0.040
Silicon (Si), % 0 to 0.5
0 to 1.0
Sulfur (S), % 0 to 0.0050
0 to 0.030