Rod, Tube & Bar

Alumina Rod, Tube and Bar

Micro-Extrusions

• 0.4 mm x 0.4 mm square outside, 0.2 mm circular bore. (Yes, we can extrude 200 micron holes!)
• 2.0 mm outside diameter, with two bores of 0.6 mm.

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Small Tube (Outside Diameter x Inside Diameter)

• 2x1
• 3x1.5
• 4x1.8, 4x2, 4x1.5, 4.5x3.5, 4.7x3.5
• 5x3, 5.3x3
• 6x4, 6.1x1.5, 6.1x1.8, 6.3x1.8, 6.6x0.8, 6.6x1.0
• 8x5

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Large Tube (Outside Diameter x Inside Diameter)

• 9x5, 9x6, 9.5x6.2, 9.7x7.0
• 10x6, 10x7, 10.4x7.7
• 12x8.6, 12.4x7.8
• 15x11, 15.5x1.85
• 17x13
• 20x15
• 24x19
• 26x21
• 36x30

Please also see our general products for large (over 40 mm) diameter furnace tubes.

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Multibore insulators, suitable for thermocouples (Outside Diameter x Inside Diameter - Number of Bores)

• 2.0 x 0.6-2b (Yes, we can extrude 600 micron holes!)
• 3.0 x 0.85-2b
• 3.0 x 0.85-4b
• 4.0 x 1.2-2b, 4.1 x 1.0-2b, 4.1 x 1.2-2b
• 4.3 x 0.85-3b
• 4.2 x 1.2-4b, 4.0 x 1.0-4b, 4.4 x 1.2-4b
• 8.0x2.0-3b

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Rods (Outside Diameter)

• 0.85, 1.0, 1.3, 1.6, 2.0, 3.0, 3.7, 4.0, 5.0, 6.0, 7.0
• 8.0, 9.0, 9.7, 10.0, 12.0

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Flat Bar with Rounded Corders (Thickness x Width)

• 2.0 x 8.0
• 3.0 x 14.5
• 3.0 x 24.0
• 4.0 x 17.0
• 5.8 x 18.0

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Ordering Information

Multibore insulators and small tubes available up to 1400 mm long. All other cross-sections available up to 1200 mm long.

Other sizes are possible, including non-circular sections.

Tubes 12 mm O.D. or smaller are also available with closed ends, suitable for thermocouple sheaths.

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