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EN 1.4903 Stainless Steel vs. ZA-12

EN 1.4903 stainless steel belongs to the iron alloys classification, while ZA-12 belongs to the zinc alloys. There are 30 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is EN 1.4903 stainless steel and the bottom bar is ZA-12.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
83
Elongation at Break, % 20 to 21
1.6 to 5.3
Fatigue Strength, MPa 320 to 330
73 to 120
Poisson's Ratio 0.28
0.26
Shear Modulus, GPa 75
33
Shear Strength, MPa 420
240 to 300
Tensile Strength: Ultimate (UTS), MPa 670 to 680
260 to 400
Tensile Strength: Yield (Proof), MPa 500
210 to 320

Thermal Properties

Latent Heat of Fusion, J/g 270
120
Maximum Temperature: Mechanical, °C 650
100
Melting Completion (Liquidus), °C 1460
430
Melting Onset (Solidus), °C 1420
380
Specific Heat Capacity, J/kg-K 470
450
Thermal Conductivity, W/m-K 26
120
Thermal Expansion, µm/m-K 11
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.4
28
Electrical Conductivity: Equal Weight (Specific), % IACS 4.0
42

Otherwise Unclassified Properties

Base Metal Price, % relative 7.0
11
Density, g/cm3 7.8
6.0
Embodied Carbon, kg CO2/kg material 2.6
3.4
Embodied Energy, MJ/kg 36
64
Embodied Water, L/kg 88
440

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120 to 130
4.0 to 20
Resilience: Unit (Modulus of Resilience), kJ/m3 650
260 to 620
Stiffness to Weight: Axial, points 14
7.6
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 24
12 to 19
Strength to Weight: Bending, points 22
15 to 20
Thermal Diffusivity, mm2/s 7.0
43
Thermal Shock Resistance, points 23
9.4 to 14

Alloy Composition

Aluminum (Al), % 0 to 0.040
10.5 to 11.5
Cadmium (Cd), % 0
0 to 0.0060
Carbon (C), % 0.080 to 0.12
0
Chromium (Cr), % 8.0 to 9.5
0
Copper (Cu), % 0 to 0.3
0.5 to 1.2
Iron (Fe), % 87.1 to 90.5
0 to 0.075
Lead (Pb), % 0
0 to 0.0060
Magnesium (Mg), % 0
0.015 to 0.030
Manganese (Mn), % 0.3 to 0.6
0
Molybdenum (Mo), % 0.85 to 1.1
0
Nickel (Ni), % 0 to 0.4
0 to 0.020
Niobium (Nb), % 0.060 to 0.1
0
Nitrogen (N), % 0.030 to 0.070
0
Phosphorus (P), % 0 to 0.025
0
Silicon (Si), % 0 to 0.5
0 to 0.060
Sulfur (S), % 0 to 0.015
0
Tin (Sn), % 0
0 to 0.0030
Vanadium (V), % 0.18 to 0.25
0
Zinc (Zn), % 0
87.1 to 89