Zircalon

Zirconia (or zirconium dioxide, ZrO2) is characterized by high impact resistance and very high strength and toughness giving it excellent wear resistance. In addition it is chemically stable resulting in excellent corrosion resistance.

Zirconia is typically used in applications in the metal forming (link to our metal forming page) industry as weld location pins (link to our weld pin page)  for resistance welding of captive nuts on sheet metal.

Production Engineering offers three grades of zirconia: Zircalon 5, Zircalon 10 and Zircalon 20. The properties of these materials are outlined below.

Zircalon 5

Zircalon 5 is an yttria stabilized zirconia (YSZ) and has very good strength and toughness. The table below lists typical mechanical, thermal and electrical property data for Zircalon 5.

Physical property data for Zircalon 5

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Composition YSZ -
Density 6.13 g/cc
Porosity 0 %
3 point Modules of Rupture 20°C
(Specimen 3 × 3 × 50mm, span 19.05mm)
1000 MPa
Weibull Modulus 15 -
Compressive Strength >2000 MPa
Young's Modulus of Elasticity 205 GPa
Poisson's Ratio 0.30 -
Hardness (HRA) 91 -
Hardness (Vickers Hv50) 13.24 (1350) GPa (Kg/mm2)
Fracture Toughness K1C 8.0 MPa m½
Thermal Expansion Coefficient (0-1200°C) 10.0X10-6 K-1
Thermal Conductivity 2.0 W/(mK)
Thermal Shock Resistance 250 ΔT°C quenched in cold water
Maximum Use Temperature 1000 °C
RT Electrical Resistivity 1011 ohm cm
 

Zircalon 10

Zircalon 10 is an yttria stabilized zirconia (YSZ) and has higher strength and toughness than Zircalon 5. The table below lists typical mechanical, thermal and electrical property data for Zircalon 10.

Physical property data for Zircalon 10

PropertyValueUnits
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Composition YSZ -
Density 6.05 g/cc
Porosity 0 %
3 point Modules of Rupture 20°C
(Specimen 3 × 3 × 50mm, span 19.05mm)
1200 MPa
Weibull Modulus 15 -
Compressive Strength >2000 MPa
Young's Modulus of Elasticity 205 GPa
Poisson's Ratio 0.30 -
Hardness (HRA) 91 -
Hardness (Vickers Hv50) 13.24 (1350) GPa (Kg/mm2)
Fracture Toughness K1C 10.0 MPa m½
Thermal Expansion Coefficient (0-1200°C) 10.0X10-6 K-1
Thermal Conductivity 2.0 W/m/K
Thermal Shock Resistance 250 ΔT°C quenched in cold water
Maximum Use Temperature 1000 °C
RT Electrical Resistivity 1011 ohm cm
 

Zircalon 20

Zircalon 20 is a magnesia stabilized zirconia (MSZ) and has better thermal shock resistance than either Zircalon 5 or Zircalon 10. The table below lists typical mechanical, thermal and electrical property data for Zircalon 20.

Physical property data for Zircalon 20

PropertyValueUnits
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Composition MSZ -
Density 5.7 g/cc
Porosity 0 %
3 point Modules of Rupture 20°C
(Specimen 3 × 3 × 50mm, span 19.05mm)
500 MPa
Weibull Modulus 15 -
Compressive Strength >1600 MPa
Young's Modulus of Elasticity 210 GPa
Poisson's Ratio 0.30 -
Hardness (HRA) 90 -
Hardness (Vickers Hv50) 11.24 (1200) GPa (Kg/mm2
Fracture Toughness K1C 7.0 MPa m½
Thermal Expansion Coefficient (0-1200°C) 11.0X10-6 K-1
Thermal Conductivity 2.5 W/m/K
Thermal Shock Resistance 350 ΔT°C quenched in cold water
Maximum Use Temperature 1000 °C
RT Electrical Resistivity 1011 ohm cm
 

Weld Location Pins

International Syalons manufactures a comprehensive range of silicon nitride, sialon and zirconia advanced ceramic weld location and control pins. These are used in the metal forming industry to allow precise welding of nuts to sheet metal. Sialons are silicon nitride based ceramics which possess a number of characteristics, such as excellent mechanical, thermal and chemical properties, making them ideal in metal forming applications. Syalon 101 weld location pins have a proven history of success of more than 20 years by several leading automotive manufacturers.

Zircalon weld location pins are a more recent addition to our portfolio. They excel where their greater toughness is required, such as when severe impact is a possibility. Like Syalon 101 they have excellent wear resistance, however they are not recommended where thermal shock may occur. Also, they are double the weight of an equivalent Syalon 101 weld pin. Zircalon is available in two grades, Zircalon 5 and Zircalon 10. Zircalon 10 has slightly superior properties for applications which demand it.

The tables below show our range of standard weld pins. However, we make a whole range of none standard sizes, so please contact us with your enquiry.

Standard Weld Pins–Technical Information

Part NumberNUT SIZEABCDEFGR
ISN 050060 M5 6 2 12 1 6.0 7.5 15 15
ISN 060070 M6 7 2 12 2 7.0 9.5 15 15
ISN 060078 M6 7 2 12 2 7.8 9.5 15 15
ISN 060088 M6 10 3 12 2 8.8 8.0 15 15
ISN 080090 M8 10 5 14 2.5 9.0 7.5 15 12.5
ISN 100110 M10 12 4 16 2.5 11.0 8.0 15 12.5
ISN 120130 M12 13 4 18 2.5 13.0 8.0 15 12.5

Syalons Standard Weld Pins data chart - Production Engineering

Part NumberNUT SIZEHOLESIZEABCDEFG
ISN 1 DOL M5 6.0 5.85 12.00 2.00 1.00 6 7.5 15.0
ISN 2 DOL M6 7.0 6.85 12.00 2.00 2.00 7 8.0 15.0
ISN 2 DOL 7.2 M8 T/LESS 7.4 7.20 12.00 2.00 2.00 7 8.0 15.0
ISN 3 DOL M6 7.5 7.35 12.00 2.00 2.00 7 8.0 15.0
ISN 4 DOL M6 8.0 7.85 12.00 2.00 2.00 7 8.0 15.0
ISN 5 DOL M8 9.0 8.85 12.00 3.00 2.00 9 8.0 15.0
ISN 6 DOL M8 9.5 9.35 14.00 4.00 2.50 9 8.0 12.5
ISN 7 DOL M8 10.0 9.85 16.00 4.00 2.50 10 8.0 12.5
ISN 815 DOL M6 8.25 8.15 12.00 2.00 2.00 7 8.0 15.0
ISN 9 DOL M10 11.0 10.85 16.00 4.00 2.50 11 8.0 12.5
ISN 10 DOL M10 11.5 11.35 16.00 4.00 2.50 11 8.0 12.5
ISN 1015 DOL M8 10.25 10.15 16.00 4.00 2.50 10 8.0 12.5
ISN 11 DOL M10 12.0 11.85 16.00 4.00 2.50 11 8.0 12.5
ISN 12 DOL M12 13.0 12.85 16.00 4.00 2.50 12 8.0 12.5
ISN 1215 DOL M10 12.25 12.15 16.00 4.00 2.50 11 8.0 12.5
ISN 13 DOL M6 8.2 8.00 12.00 2.00 2.00 7 8.0 15.0

Syalons Standard Weld Pins data chart - Production Engineering

Part NumberNUT SIZEHOLESIZEABCD
ISP 1 M4, M5, M6 6.00 5.85 10.00 1.5 4.3
ISP 2 M6 7.00 6.85 10.00 1.5 5.2
ISP 3 M6 7.50 7.35 12.00 2.0 5.4
ISP 4 M6 8.00 7.85 12.00 2.0 5.8
ISCP 5 M8 9.00 8.85 14.00 3.0 6.2
ISP 6 M8 9.50 9.35 14.00 3.0 6.6
ISP 7 M8 10.00 9.85 14.00 3.0 7.0
ISP 8 M8 10.50 10.35 14.00 3.0 7.5
ISP 9 M10 11.00 10.85 16.00 3.5 7.7
ISP 10 M10 11.50 11.35 16.00 3.5 8.1
ISP 11 M10, 7/16 UNF 12.00 11.85 16.00 3.5 8.5
ISP 12 M12, 7/16 UNF 13.00 12.85 16.00 4.5 8.9
ISP 13 M10 12.50 12.35 16.00 3.5 8.9
ISP 14 M14 15.00 14.86 18.00 5.0 10.4
ISP 15 M12 14.00 13.85 16.00 4.0 10.0
ISP 16 7/16 UNF 14.50 14.35 16.00 4.5 10.2
ISP 17 7/16 UNF 13.50 13.35 16.00 4.5 9.3
ISP 18 M14 15.20 15.15 17.00 5.0 10.6
ISP 24 M6 8.25 8.10 12.00 2.0 6.0
ISP 25 M6 8.40 8.25 12.00 2.0 6.1
ISP 26 M12/LESS 13.20 13.05 16.00 4.5 9.1
ISP 27 M8 8.70 8.55 12.00 2.0 6.4
ISP 28 M8 10.65 10.50 14.00 3.0 7.6
ISP 29 M8 8.15 8.05 12.00 2.0 6.0
ISP 30 M6 6.60 6.40 10.00 1.5 4.8

Syalons Standard Weld Pins data chart - Production Engineering

Part NumberNUT SIZEACEFG
ISN 04048 M4 3 12 4.8 6.5 12.0
ISN 05058 M5 3 12 5.8 7.5 12.0
ISN 06068 M6 5 12 6.8 9.5 13.9
ISN 08078 M8 6 14 7.8 9.5 13.9
ISN 08088 M8 6 14 8.8 8.0 13.9
ISN 08090 M8 6 14 9.0 7.5 13.9
ISN 10102 M10 7 16 10.2 8.0 13.9
ISN 10107 M10 7 16 10.7 8.0 13.9
ISN 12144 M12 8 18 14.4 8.0 13.9
ISN 12116 M12 8 18 11.6 8.0 13.9

Syalons Standard Weld Pins data chart - Production Engineering

Part NumberNUT SIZEHOLESIZEABCEF
ISN 1C M5 6.00 5.85 4.10 10.0 2.5 30.5
ISN 4C M6 8.00 7.85 4.90 12.0 4.0 31.5
ISN 7C M8 10.00 9.85 6.60 16.0 5 32.5
ISN 11C M10 12.00 11.85 8.40 16.0 5 33.5
ISN 14C M14 15.00 14.85 12.40 17.0 9 34.5
ISN 15C M12 14.00 13.85 10.50 16.0 8 34.5
ISN 16C M14 14.60 14.35 12.40 16.5 8 34.5
ISN 20C M12F 12.7 12.5 10.50 16.0 8 34.5
ISN 21C M12F 13.20 13.05 10.65 16.0 8 34.5
ISN 22C BUSH 9.20 9.1 8.45 14.0 6 33.5
ISN 23C M10 11.20 11.05 8.40 16.0 6 33.5
ISN 24C M6 8.25 8.10 4.90 12.0 4.0 31.5
ISN 25C M6 8.4 8.25 4.9 12.0 4.0 31.5
ISN 716TL1215 7/16TL 12.25 12.15 10.35 16.0 6 33.5
ISN 716TL1225 7/16TL 12.4 12.25 10.35 16.0 6 33.5

Syalons Standard Weld Pins data chart - Production Engineering

Part NumberNUT SIZEABCDEFR1R2
ISN 050070 M6 4 16 7 12 5.0 7.0 2.5 1.5
ISN 050088 M6 4 16 7 12 5.0 8.8 2.5 1.5
ISN 066110 M8 7 15 7 16 6.6 11.0 3.3 MIN
ISN 084110 M10 5 16 7 16 8.4 11.0 2.0 1.5
ISN 084144 M10 5 16 7 16 8.4 14.35 2.0 1.5
ISN 085121 M10 7 14.4 7 16 8.5 12.1 2.0 1.5
ISN 095130 7/16 10 16 9 18 9.5 13.0 2.0 1.5
ISN 105130 M12 10 18 9 18 10.5 13.0 2.0 1.5
ISN 105140 M12 10 18 9 18 10.5 14.0 2.0 1.5
Syalons Standard Weld Pins data chart - Production Engineering

Typical physical property data obtained under test conditions. All properties have been measured by independent testing authorities. The values given only apply to the test bodies on which they were determined, and therefore can only be recommended values. See our disclaimer.

Zircalon

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