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S15500 Stainless Steel vs. ZA-12

S15500 stainless steel belongs to the iron alloys classification, while ZA-12 belongs to the zinc alloys. There are 31 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is S15500 stainless steel and the bottom bar is ZA-12.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 290 to 430
89 to 100
Elastic (Young's, Tensile) Modulus, GPa 190
83
Elongation at Break, % 6.8 to 16
1.6 to 5.3
Fatigue Strength, MPa 350 to 650
73 to 120
Poisson's Ratio 0.28
0.26
Shear Modulus, GPa 75
33
Shear Strength, MPa 540 to 870
240 to 300
Tensile Strength: Ultimate (UTS), MPa 890 to 1490
260 to 400
Tensile Strength: Yield (Proof), MPa 590 to 1310
210 to 320

Thermal Properties

Latent Heat of Fusion, J/g 280
120
Maximum Temperature: Mechanical, °C 820
100
Melting Completion (Liquidus), °C 1430
430
Melting Onset (Solidus), °C 1380
380
Specific Heat Capacity, J/kg-K 480
450
Thermal Conductivity, W/m-K 17
120
Thermal Expansion, µm/m-K 11
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
28
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
42

Otherwise Unclassified Properties

Base Metal Price, % relative 13
11
Density, g/cm3 7.8
6.0
Embodied Carbon, kg CO2/kg material 2.7
3.4
Embodied Energy, MJ/kg 39
64
Embodied Water, L/kg 130
440

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 98 to 120
4.0 to 20
Resilience: Unit (Modulus of Resilience), kJ/m3 890 to 4460
260 to 620
Stiffness to Weight: Axial, points 14
7.6
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 32 to 53
12 to 19
Strength to Weight: Bending, points 26 to 37
15 to 20
Thermal Diffusivity, mm2/s 4.6
43
Thermal Shock Resistance, points 30 to 50
9.4 to 14

Alloy Composition

Aluminum (Al), % 0
10.5 to 11.5
Cadmium (Cd), % 0
0 to 0.0060
Carbon (C), % 0 to 0.070
0
Chromium (Cr), % 14 to 15.5
0
Copper (Cu), % 2.5 to 4.5
0.5 to 1.2
Iron (Fe), % 71.9 to 79.9
0 to 0.075
Lead (Pb), % 0
0 to 0.0060
Magnesium (Mg), % 0
0.015 to 0.030
Manganese (Mn), % 0 to 1.0
0
Nickel (Ni), % 3.5 to 5.5
0 to 0.020
Niobium (Nb), % 0.15 to 0.45
0
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 1.0
0 to 0.060
Sulfur (S), % 0 to 0.030
0
Tin (Sn), % 0
0 to 0.0030
Zinc (Zn), % 0
87.1 to 89