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EN 1.4640 Stainless Steel vs. ZA-27

EN 1.4640 stainless steel belongs to the iron alloys classification, while ZA-27 belongs to the zinc alloys. There are 31 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is EN 1.4640 stainless steel and the bottom bar is ZA-27.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190 to 200
100 to 120
Elastic (Young's, Tensile) Modulus, GPa 200
78
Elongation at Break, % 51
2.0 to 4.5
Fatigue Strength, MPa 230 to 250
110 to 170
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 77
31
Shear Strength, MPa 440 to 460
230 to 330
Tensile Strength: Ultimate (UTS), MPa 620 to 650
400 to 430
Tensile Strength: Yield (Proof), MPa 240 to 260
260 to 370

Thermal Properties

Latent Heat of Fusion, J/g 280
130
Maximum Temperature: Mechanical, °C 930
120
Melting Completion (Liquidus), °C 1420
480
Melting Onset (Solidus), °C 1380
380
Specific Heat Capacity, J/kg-K 480
530
Thermal Conductivity, W/m-K 15
130
Thermal Expansion, µm/m-K 16
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
30
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
53

Otherwise Unclassified Properties

Base Metal Price, % relative 14
11
Density, g/cm3 7.8
5.0
Embodied Carbon, kg CO2/kg material 2.8
4.2
Embodied Energy, MJ/kg 40
80
Embodied Water, L/kg 150
570

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 250 to 260
8.1 to 18
Resilience: Unit (Modulus of Resilience), kJ/m3 150 to 170
420 to 890
Stiffness to Weight: Axial, points 14
8.6
Stiffness to Weight: Bending, points 25
28
Strength to Weight: Axial, points 22 to 23
22 to 24
Strength to Weight: Bending, points 21
24 to 25
Thermal Diffusivity, mm2/s 4.0
47
Thermal Shock Resistance, points 14 to 15
14 to 15

Alloy Composition

Aluminum (Al), % 0
25 to 28
Cadmium (Cd), % 0
0 to 0.0060
Carbon (C), % 0.030 to 0.080
0
Chromium (Cr), % 18 to 19
0
Copper (Cu), % 1.3 to 2.0
2.0 to 2.5
Iron (Fe), % 67.4 to 73.6
0 to 0.1
Lead (Pb), % 0
0 to 0.0060
Magnesium (Mg), % 0
0.010 to 0.020
Manganese (Mn), % 1.5 to 4.0
0
Nickel (Ni), % 5.5 to 6.9
0 to 0.020
Nitrogen (N), % 0.030 to 0.11
0
Phosphorus (P), % 0 to 0.045
0
Silicon (Si), % 0 to 0.5
0 to 0.080
Sulfur (S), % 0 to 0.015
0
Tin (Sn), % 0
0 to 0.0030
Zinc (Zn), % 0
69.3 to 73