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S15500 Stainless Steel vs. S44635 Stainless Steel

Both S15500 stainless steel and S44635 stainless steel are iron alloys. They have 85% 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 S15500 stainless steel and the bottom bar is S44635 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 290 to 430
240
Elastic (Young's, Tensile) Modulus, GPa 190
210
Elongation at Break, % 6.8 to 16
23
Fatigue Strength, MPa 350 to 650
390
Poisson's Ratio 0.28
0.27
Rockwell C Hardness 27 to 46
24
Shear Modulus, GPa 75
81
Shear Strength, MPa 540 to 870
450
Tensile Strength: Ultimate (UTS), MPa 890 to 1490
710
Tensile Strength: Yield (Proof), MPa 590 to 1310
580

Thermal Properties

Latent Heat of Fusion, J/g 280
300
Maximum Temperature: Corrosion, °C 440
610
Maximum Temperature: Mechanical, °C 820
1100
Melting Completion (Liquidus), °C 1430
1460
Melting Onset (Solidus), °C 1380
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 17
16
Thermal Expansion, µm/m-K 11
11

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 13
22
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 2.7
4.4
Embodied Energy, MJ/kg 39
62
Embodied Water, L/kg 130
170

Common Calculations

PREN (Pitting Resistance) 15
39
Resilience: Ultimate (Unit Rupture Work), MJ/m3 98 to 120
150
Resilience: Unit (Modulus of Resilience), kJ/m3 890 to 4460
810
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 32 to 53
25
Strength to Weight: Bending, points 26 to 37
23
Thermal Diffusivity, mm2/s 4.6
4.4
Thermal Shock Resistance, points 30 to 50
23

Alloy Composition

Carbon (C), % 0 to 0.070
0 to 0.025
Chromium (Cr), % 14 to 15.5
24.5 to 26
Copper (Cu), % 2.5 to 4.5
0
Iron (Fe), % 71.9 to 79.9
61.5 to 68.5
Manganese (Mn), % 0 to 1.0
0 to 1.0
Molybdenum (Mo), % 0
3.5 to 4.5
Nickel (Ni), % 3.5 to 5.5
3.5 to 4.5
Niobium (Nb), % 0.15 to 0.45
0.2 to 0.8
Nitrogen (N), % 0
0 to 0.035
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 0.75
Sulfur (S), % 0 to 0.030
0 to 0.030
Titanium (Ti), % 0
0.2 to 0.8