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AISI 305 Stainless Steel vs. ZA-8

AISI 305 stainless steel belongs to the iron alloys classification, while ZA-8 belongs to the zinc alloys. There are 31 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is AISI 305 stainless steel and the bottom bar is ZA-8.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170 to 220
87 to 100
Elastic (Young's, Tensile) Modulus, GPa 200
85 to 86
Elongation at Break, % 34 to 45
1.3 to 8.0
Fatigue Strength, MPa 210 to 280
51 to 100
Poisson's Ratio 0.28
0.26
Shear Modulus, GPa 77
34
Shear Strength, MPa 400 to 470
240 to 280
Tensile Strength: Ultimate (UTS), MPa 580 to 710
210 to 370
Tensile Strength: Yield (Proof), MPa 230 to 350
210 to 290

Thermal Properties

Latent Heat of Fusion, J/g 290
110
Maximum Temperature: Mechanical, °C 540
100
Melting Completion (Liquidus), °C 1450
400
Melting Onset (Solidus), °C 1400
380
Specific Heat Capacity, J/kg-K 480
440
Thermal Conductivity, W/m-K 16
120
Thermal Expansion, µm/m-K 17
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
28
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
40

Otherwise Unclassified Properties

Base Metal Price, % relative 16
11
Density, g/cm3 7.8
6.3
Embodied Carbon, kg CO2/kg material 3.2
3.3
Embodied Energy, MJ/kg 45
62
Embodied Water, L/kg 150
420

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 200 to 210
2.8 to 28
Resilience: Unit (Modulus of Resilience), kJ/m3 130 to 320
260 to 490
Stiffness to Weight: Axial, points 14
7.5
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 20 to 25
9.3 to 17
Strength to Weight: Bending, points 20 to 23
12 to 18
Thermal Diffusivity, mm2/s 4.2
42
Thermal Shock Resistance, points 13 to 15
7.6 to 13

Alloy Composition

Aluminum (Al), % 0
8.0 to 8.8
Cadmium (Cd), % 0
0 to 0.0060
Carbon (C), % 0 to 0.12
0
Chromium (Cr), % 17 to 19
0
Copper (Cu), % 0
0.8 to 1.3
Iron (Fe), % 65.1 to 72.5
0 to 0.075
Lead (Pb), % 0
0 to 0.0060
Magnesium (Mg), % 0
0.015 to 0.030
Manganese (Mn), % 0 to 2.0
0
Nickel (Ni), % 10.5 to 13
0 to 0.020
Phosphorus (P), % 0 to 0.045
0
Silicon (Si), % 0 to 0.75
0 to 0.045
Sulfur (S), % 0 to 0.030
0
Tin (Sn), % 0
0 to 0.0030
Zinc (Zn), % 0
89.7 to 91.2

Comparable Variants