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AISI 302 Stainless Steel vs. ZA-12

AISI 302 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 (8, in this case) are not shown.

For each property being compared, the top bar is AISI 302 stainless steel and the bottom bar is ZA-12.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170 to 440
89 to 100
Elastic (Young's, Tensile) Modulus, GPa 200
83
Elongation at Break, % 4.5 to 46
1.6 to 5.3
Fatigue Strength, MPa 210 to 520
73 to 120
Poisson's Ratio 0.28
0.26
Shear Modulus, GPa 77
33
Shear Strength, MPa 400 to 830
240 to 300
Tensile Strength: Ultimate (UTS), MPa 580 to 1430
260 to 400
Tensile Strength: Yield (Proof), MPa 230 to 1100
210 to 320

Thermal Properties

Latent Heat of Fusion, J/g 280
120
Maximum Temperature: Mechanical, °C 710
100
Melting Completion (Liquidus), °C 1420
430
Melting Onset (Solidus), °C 1400
380
Specific Heat Capacity, J/kg-K 480
450
Thermal Conductivity, W/m-K 16
120
Thermal Expansion, µm/m-K 17
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
28
Electrical Conductivity: Equal Weight (Specific), % IACS 2.8
42

Otherwise Unclassified Properties

Base Metal Price, % relative 15
11
Density, g/cm3 7.8
6.0
Embodied Carbon, kg CO2/kg material 3.0
3.4
Embodied Energy, MJ/kg 42
64
Embodied Water, L/kg 140
440

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 59 to 260
4.0 to 20
Resilience: Unit (Modulus of Resilience), kJ/m3 140 to 3070
260 to 620
Stiffness to Weight: Axial, points 14
7.6
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 21 to 51
12 to 19
Strength to Weight: Bending, points 20 to 36
15 to 20
Thermal Diffusivity, mm2/s 4.4
43
Thermal Shock Resistance, points 12 to 31
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 0.15
0
Chromium (Cr), % 17 to 19
0
Copper (Cu), % 0
0.5 to 1.2
Iron (Fe), % 67.9 to 75
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), % 8.0 to 10
0 to 0.020
Nitrogen (N), % 0 to 0.1
0
Phosphorus (P), % 0 to 0.045
0
Silicon (Si), % 0 to 0.75
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