MakeItFrom.com
Menu (ESC)

AISI 439 Stainless Steel vs. S15500 Stainless Steel

Both AISI 439 stainless steel and S15500 stainless steel are iron alloys. They have a moderately high 92% of their average alloy composition in common. There are 34 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is AISI 439 stainless steel and the bottom bar is S15500 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160
290 to 430
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 23
6.8 to 16
Fatigue Strength, MPa 170
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 310
540 to 870
Tensile Strength: Ultimate (UTS), MPa 490
890 to 1490
Tensile Strength: Yield (Proof), MPa 250
590 to 1310

Thermal Properties

Latent Heat of Fusion, J/g 280
280
Maximum Temperature: Corrosion, °C 530
440
Maximum Temperature: Mechanical, °C 890
820
Melting Completion (Liquidus), °C 1510
1430
Melting Onset (Solidus), °C 1430
1380
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 25
17
Thermal Expansion, µm/m-K 11
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 3.4
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 9.0
13
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.3
2.7
Embodied Energy, MJ/kg 34
39
Embodied Water, L/kg 120
130

Common Calculations

PREN (Pitting Resistance) 18
15
Resilience: Ultimate (Unit Rupture Work), MJ/m3 95
98 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 160
890 to 4460
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 18
32 to 53
Strength to Weight: Bending, points 18
26 to 37
Thermal Diffusivity, mm2/s 6.7
4.6
Thermal Shock Resistance, points 16
30 to 50

Alloy Composition

Aluminum (Al), % 0 to 0.15
0
Carbon (C), % 0 to 0.030
0 to 0.070
Chromium (Cr), % 17 to 19
14 to 15.5
Copper (Cu), % 0
2.5 to 4.5
Iron (Fe), % 77.1 to 82.8
71.9 to 79.9
Manganese (Mn), % 0 to 1.0
0 to 1.0
Nickel (Ni), % 0 to 0.5
3.5 to 5.5
Niobium (Nb), % 0
0.15 to 0.45
Nitrogen (N), % 0 to 0.030
0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030
Titanium (Ti), % 0.2 to 1.1
0