MakeItFrom.com
Menu (ESC)

S40945 Stainless Steel vs. Zamak 7

S40945 stainless steel belongs to the iron alloys classification, while Zamak 7 belongs to the zinc alloys. There are 31 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is S40945 stainless steel and the bottom bar is Zamak 7.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160
80
Elastic (Young's, Tensile) Modulus, GPa 190
86
Elongation at Break, % 25
13
Fatigue Strength, MPa 160
47
Poisson's Ratio 0.28
0.25
Shear Modulus, GPa 75
33
Shear Strength, MPa 270
210
Tensile Strength: Ultimate (UTS), MPa 430
280
Tensile Strength: Yield (Proof), MPa 230
250

Thermal Properties

Latent Heat of Fusion, J/g 270
120
Maximum Temperature: Mechanical, °C 710
95
Melting Completion (Liquidus), °C 1450
390
Melting Onset (Solidus), °C 1410
380
Specific Heat Capacity, J/kg-K 480
410
Thermal Conductivity, W/m-K 26
110
Thermal Expansion, µm/m-K 10
27

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
27
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
38

Otherwise Unclassified Properties

Base Metal Price, % relative 8.0
11
Density, g/cm3 7.8
6.4
Embodied Carbon, kg CO2/kg material 2.2
3.0
Embodied Energy, MJ/kg 31
57
Embodied Water, L/kg 94
380

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 89
36
Resilience: Unit (Modulus of Resilience), kJ/m3 140
370
Stiffness to Weight: Axial, points 14
7.5
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 15
12
Strength to Weight: Bending, points 16
15
Thermal Diffusivity, mm2/s 6.9
43
Thermal Shock Resistance, points 15
8.6

Alloy Composition

Aluminum (Al), % 0
3.5 to 4.3
Cadmium (Cd), % 0
0 to 0.0020
Carbon (C), % 0 to 0.030
0
Chromium (Cr), % 10.5 to 11.7
0
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 85.1 to 89.3
0 to 0.075
Lead (Pb), % 0
0 to 0.0030
Magnesium (Mg), % 0
0.0050 to 0.020
Manganese (Mn), % 0 to 1.0
0
Nickel (Ni), % 0 to 0.5
0.0050 to 0.020
Niobium (Nb), % 0.18 to 0.4
0
Nitrogen (N), % 0 to 0.030
0
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.030
0
Tin (Sn), % 0
0 to 0.0010
Titanium (Ti), % 0.050 to 0.2
0
Zinc (Zn), % 0
95.3 to 96.5