Alumina 4-Bore Tubes
Alumina (Al2O3) has a wide application due to its versatility and low material cost. Alumina possesses a high melting point, strong hardness, and good chemical stability, making it a good material to withstand high temperature and chemical corrosion. Our alumina furnace tubes, alumina thermocouple protection tubes and insulators, and alumina rods are available in a variety of diameters and lengths.
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No minimum quantity requirement $15.00 handling fee for orders less than $100.00 prior to shipping.
Stock
O.D.
I.D.
Length
Price
Purchase
Stock #:AL-T4-N047-N01-6
Out Dia.:1.19mm (0.047in) ±0.08mm (0.003in)
In Dia.:0.25mm (0.01in) ±0.08mm (0.003in)
Length:152.4mm (6in)
Price:$8.66
Stock #:AL-T4-N047-N01-12
Out Dia.:1.19mm (0.047in) ±0.08mm (0.003in)
In Dia.:0.25mm (0.01in) ±0.08mm (0.003in)
Length:304.8mm (12in)
Price:$17.28
Stock #:AL-T4-N047-N01-18
Out Dia.:1.19mm (0.047in) ±0.08mm (0.003in)
In Dia.:0.25mm (0.01in) ±0.08mm (0.003in)
Length:457.2mm (18in)
Price:$25.94
Stock #:AL-T4-N047-N01-24
Out Dia.:1.19mm (0.047in) ±0.08mm (0.003in)
In Dia.:0.25mm (0.01in) ±0.08mm (0.003in)
Length:609.6mm (24in)
Price:$34.64
Stock #:AL-T4-N047-N01-30
Out Dia.:1.19mm (0.047in) ±0.08mm (0.003in)
In Dia.:0.25mm (0.01in) ±0.08mm (0.003in)
Length:762mm (30in)
Price:$43.40
Stock #:AL-T4-N062-N016-6
Out Dia.:1.57mm (0.062in) ±0.08mm (0.003in)
In Dia.:0.41mm (0.016in) ±0.08mm (0.003in)
Length:152.4mm (6in)
Price:$8.19
Stock #:AL-T4-N062-N016-12
Out Dia.:1.57mm (0.062in) ±0.08mm (0.003in)
In Dia.:0.41mm (0.016in) ±0.08mm (0.003in)
Length:304.8mm (12in)
Price:$16.23
Stock #:AL-T4-N062-N016-18
Out Dia.:1.57mm (0.062in) ±0.08mm (0.003in)
In Dia.:0.41mm (0.016in) ±0.08mm (0.003in)
Length:457.2mm (18in)
Price:$24.43
Stock #:AL-T4-N062-N016-24
Out Dia.:1.57mm (0.062in) ±0.08mm (0.003in)
In Dia.:0.41mm (0.016in) ±0.08mm (0.003in)
Length:609.6mm (24in)
Price:$32.56
Stock #:AL-T4-N062-N016-30
Out Dia.:1.57mm (0.062in) ±0.08mm (0.003in)
In Dia.:0.41mm (0.016in) ±0.08mm (0.003in)
Length:762mm (30in)
Price:$40.80
Stock #:AL-T4-N062-N016-36
Out Dia.:1.57mm (0.062in) ±0.08mm (0.003in)
In Dia.:0.41mm (0.016in) ±0.08mm (0.003in)
Length:914.4mm (36in)
Price:$58.91
Stock #:AL-T4-N062-N016-42
Out Dia.:1.57mm (0.062in) ±0.08mm (0.003in)
In Dia.:0.41mm (0.016in) ±0.08mm (0.003in)
Length:1066.8mm (42in)
Price:$68.25
Stock #:AL-T4-N094-N02-6
Out Dia.:2.39mm (0.094in) ±0.13mm (0.005in)
In Dia.:0.51mm (0.02in) ±0.08mm (0.003in)
Length:152.4mm (6in)
Price:$6.59
Stock #:AL-T4-N094-N02-12
Out Dia.:2.39mm (0.094in) ±0.13mm (0.005in)
In Dia.:0.51mm (0.02in) ±0.08mm (0.003in)
Length:304.8mm (12in)
Price:$13.11
Stock #:AL-T4-N094-N02-18
Out Dia.:2.39mm (0.094in) ±0.13mm (0.005in)
In Dia.:0.51mm (0.02in) ±0.08mm (0.003in)
Length:457.2mm (18in)
Price:$19.68
Stock #:AL-T4-N094-N02-24
Out Dia.:2.39mm (0.094in) ±0.13mm (0.005in)
In Dia.:0.51mm (0.02in) ±0.08mm (0.003in)
Length:609.6mm (24in)
Price:$26.29
Stock #:AL-T4-N094-N02-30
Out Dia.:2.39mm (0.094in) ±0.13mm (0.005in)
In Dia.:0.51mm (0.02in) ±0.08mm (0.003in)
Length:762mm (30in)
Price:$31.10
Stock #:AL-T4-N094-N02-36
Out Dia.:2.39mm (0.094in) ±0.13mm (0.005in)
In Dia.:0.51mm (0.02in) ±0.08mm (0.003in)
Length:914.4mm (36in)
Price:$46.79
Stock #:AL-T4-N094-N02-42
Out Dia.:2.39mm (0.094in) ±0.13mm (0.005in)
In Dia.:0.51mm (0.02in) ±0.08mm (0.003in)
Length:1066.8mm (42in)
Price:$55.10
Stock #:AL-T4-N094-N02-48
Out Dia.:2.39mm (0.094in) ±0.13mm (0.005in)
In Dia.:0.51mm (0.02in) ±0.08mm (0.003in)
Length:1219.2mm (48in)
Price:$62.12
Stock #:AL-T4-N125-N02-6
Out Dia.:3.18mm (0.125in) ±0.15mm (0.006in)
In Dia.:0.51mm (0.02in) ±0.08mm (0.003in)
Length:152.4mm (6in)
Price:$4.99
Stock #:AL-T4-N125-N02-12
Out Dia.:3.18mm (0.125in) ±0.15mm (0.006in)
In Dia.:0.51mm (0.02in) ±0.08mm (0.003in)
Length:304.8mm (12in)
Price:$10.07
Stock #:AL-T4-N125-N02-18
Out Dia.:3.18mm (0.125in) ±0.15mm (0.006in)
In Dia.:0.51mm (0.02in) ±0.08mm (0.003in)
Length:457.2mm (18in)
Price:$15.04
Stock #:AL-T4-N125-N02-24
Out Dia.:3.18mm (0.125in) ±0.15mm (0.006in)
In Dia.:0.51mm (0.02in) ±0.08mm (0.003in)
Length:609.6mm (24in)
Price:$20.10
Stock #:AL-T4-N125-N02-30
Out Dia.:3.18mm (0.125in) ±0.15mm (0.006in)
In Dia.:0.51mm (0.02in) ±0.08mm (0.003in)
Length:762mm (30in)
Price:$23.61
Stock #:AL-T4-N125-N02-36
Out Dia.:3.18mm (0.125in) ±0.15mm (0.006in)
In Dia.:0.51mm (0.02in) ±0.08mm (0.003in)
Length:914.4mm (36in)
Price:$38.21
Stock #:AL-T4-N125-N02-42
Out Dia.:3.18mm (0.125in) ±0.15mm (0.006in)
In Dia.:0.51mm (0.02in) ±0.08mm (0.003in)
Length:1066.8mm (42in)
Price:$45.15
Stock #:AL-T4-N125-N02-48
Out Dia.:3.18mm (0.125in) ±0.15mm (0.006in)
In Dia.:0.51mm (0.02in) ±0.08mm (0.003in)
Length:1219.2mm (48in)
Price:$50.80
Stock #:AL-T4-N156-N031-6
Out Dia.:3.96mm (0.156in) ±0.2mm (0.008in)
In Dia.:0.79mm (0.031in) ±0.08mm (0.003in)
Length:152.4mm (6in)
Price:$4.99
Stock #:AL-T4-N156-N031-12
Out Dia.:3.96mm (0.156in) ±0.2mm (0.008in)
In Dia.:0.79mm (0.031in) ±0.08mm (0.003in)
Length:304.8mm (12in)
Price:$10.07
Stock #:AL-T4-N156-N031-18
Out Dia.:3.96mm (0.156in) ±0.2mm (0.008in)
In Dia.:0.79mm (0.031in) ±0.08mm (0.003in)
Length:457.2mm (18in)
Price:$15.04
Stock #:AL-T4-N156-N031-24
Out Dia.:3.96mm (0.156in) ±0.2mm (0.008in)
In Dia.:0.79mm (0.031in) ±0.08mm (0.003in)
Length:609.6mm (24in)
Price:$20.10
Stock #:AL-T4-N156-N031-30
Out Dia.:3.96mm (0.156in) ±0.2mm (0.008in)
In Dia.:0.79mm (0.031in) ±0.08mm (0.003in)
Length:762mm (30in)
Price:$23.61
Stock #:AL-T4-N156-N031-36
Out Dia.:3.96mm (0.156in) ±0.2mm (0.008in)
In Dia.:0.79mm (0.031in) ±0.08mm (0.003in)
Length:914.4mm (36in)
Price:$38.21
Stock #:AL-T4-N156-N031-42
Out Dia.:3.96mm (0.156in) ±0.2mm (0.008in)
In Dia.:0.79mm (0.031in) ±0.08mm (0.003in)
Length:1066.8mm (42in)
Price:$45.15
Stock #:AL-T4-N156-N031-48
Out Dia.:3.96mm (0.156in) ±0.2mm (0.008in)
In Dia.:0.79mm (0.031in) ±0.08mm (0.003in)
Length:1219.2mm (48in)
Price:$50.80
Stock #:AL-T4-N187-N031-6
Out Dia.:4.75mm (0.187in) ±0.23mm (0.009in)
In Dia.:0.79mm (0.031in) ±0.08mm (0.003in)
Length:152.4mm (6in)
Price:$3.32
Stock #:AL-T4-N187-N031-12
Out Dia.:4.75mm (0.187in) ±0.23mm (0.009in)
In Dia.:0.79mm (0.031in) ±0.08mm (0.003in)
Length:304.8mm (12in)
Price:$6.67
Stock #:AL-T4-N187-N031-18
Out Dia.:4.75mm (0.187in) ±0.23mm (0.009in)
In Dia.:0.79mm (0.031in) ±0.08mm (0.003in)
Length:457.2mm (18in)
Price:$10.00
Stock #:AL-T4-N187-N031-24
Out Dia.:4.75mm (0.187in) ±0.23mm (0.009in)
In Dia.:0.79mm (0.031in) ±0.08mm (0.003in)
Length:609.6mm (24in)
Price:$13.33
Stock #:AL-T4-N187-N031-30
Out Dia.:4.75mm (0.187in) ±0.23mm (0.009in)
In Dia.:0.79mm (0.031in) ±0.08mm (0.003in)
Length:762mm (30in)
Price:$16.75
Stock #:AL-T4-N187-N031-36
Out Dia.:4.75mm (0.187in) ±0.23mm (0.009in)
In Dia.:0.79mm (0.031in) ±0.08mm (0.003in)
Length:914.4mm (36in)
Price:$24.04
Stock #:AL-T4-N187-N031-42
Out Dia.:4.75mm (0.187in) ±0.23mm (0.009in)
In Dia.:0.79mm (0.031in) ±0.08mm (0.003in)
Length:1066.8mm (42in)
Price:$28.44
Stock #:AL-T4-N187-N031-48
Out Dia.:4.75mm (0.187in) ±0.23mm (0.009in)
In Dia.:0.79mm (0.031in) ±0.08mm (0.003in)
Length:1219.2mm (48in)
Price:$32.40
Stock #:AL-T4-N187-N047-6
Out Dia.:4.75mm (0.187in) ±0.23mm (0.009in)
In Dia.:1.19mm (0.046in) ±0.08mm (0.003in)
Length:152.4mm (6in)
Price:$3.32
Stock #:AL-T4-N187-N047-12
Out Dia.:4.75mm (0.187in) ±0.23mm (0.009in)
In Dia.:1.19mm (0.046in) ±0.08mm (0.003in)
Length:304.8mm (12in)
Price:$6.68
Stock #:AL-T4-N187-N047-18
Out Dia.:4.75mm (0.187in) ±0.23mm (0.009in)
In Dia.:1.19mm (0.046in) ±0.08mm (0.003in)
Length:457.2mm (18in)
Price:$10.01
Stock #:AL-T4-N187-N047-24
Out Dia.:4.75mm (0.187in) ±0.23mm (0.009in)
In Dia.:1.19mm (0.046in) ±0.08mm (0.003in)
Length:609.6mm (24in)
Price:$13.33
Stock #:AL-T4-N187-N047-30
Out Dia.:4.75mm (0.187in) ±0.23mm (0.009in)
In Dia.:1.19mm (0.046in) ±0.08mm (0.003in)
Length:762mm (30in)
Price:$16.67
Stock #:AL-T4-N187-N047-36
Out Dia.:4.75mm (0.187in) ±0.23mm (0.009in)
In Dia.:1.19mm (0.046in) ±0.08mm (0.003in)
Length:914.4mm (36in)
Price:$24.08
Stock #:AL-T4-N187-N047-42
Out Dia.:4.75mm (0.187in) ±0.23mm (0.009in)
In Dia.:1.19mm (0.046in) ±0.08mm (0.003in)
Length:1066.8mm (42in)
Price:$28.44
Stock #:AL-T4-N187-N047-48
Out Dia.:4.75mm (0.187in) ±0.23mm (0.009in)
In Dia.:1.19mm (0.046in) ±0.08mm (0.003in)
Length:1219.2mm (48in)
Price:$32.40
Stock #:AL-T4-N218-N05-6
Out Dia.:5.54mm (0.218in) ±0.28mm (0.011in)
In Dia.:1.27mm (0.05in) ±0.08mm (0.003in)
Length:152.4mm (6in)
Price:$3.32
Stock #:AL-T4-N218-N05-12
Out Dia.:5.54mm (0.218in) ±0.28mm (0.011in)
In Dia.:1.27mm (0.05in) ±0.08mm (0.003in)
Length:304.8mm (12in)
Price:$6.68
Stock #:AL-T4-N218-N05-18
Out Dia.:5.54mm (0.218in) ±0.28mm (0.011in)
In Dia.:1.27mm (0.05in) ±0.08mm (0.003in)
Length:457.2mm (18in)
Price:$10.01
Stock #:AL-T4-N218-N05-24
Out Dia.:5.54mm (0.218in) ±0.28mm (0.011in)
In Dia.:1.27mm (0.05in) ±0.08mm (0.003in)
Length:609.6mm (24in)
Price:$13.33
Stock #:AL-T4-N218-N05-30
Out Dia.:5.54mm (0.218in) ±0.28mm (0.011in)
In Dia.:1.27mm (0.05in) ±0.08mm (0.003in)
Length:762mm (30in)
Price:$16.67
Stock #:AL-T4-N218-N05-36
Out Dia.:5.54mm (0.218in) ±0.28mm (0.011in)
In Dia.:1.27mm (0.05in) ±0.08mm (0.003in)
Length:914.4mm (36in)
Price:$24.08
Stock #:AL-T4-N218-N05-42
Out Dia.:5.54mm (0.218in) ±0.28mm (0.011in)
In Dia.:1.27mm (0.05in) ±0.08mm (0.003in)
Length:1066.8mm (42in)
Price:$28.44
Stock #:AL-T4-N218-N05-48
Out Dia.:5.54mm (0.218in) ±0.28mm (0.011in)
In Dia.:1.27mm (0.05in) ±0.08mm (0.003in)
Length:1219.2mm (48in)
Price:$32.40
Stock #:AL-T4-N25-N062-6
Out Dia.:6.35mm (0.25in) ±0.33mm (0.013in)
In Dia.:1.57mm (0.062in) ±0.08mm (0.003in)
Length:152.4mm (6in)
Price:$3.43
Stock #:AL-T4-N25-N062-12
Out Dia.:6.35mm (0.25in) ±0.33mm (0.013in)
In Dia.:1.57mm (0.062in) ±0.08mm (0.003in)
Length:304.8mm (12in)
Price:$6.87
Stock #:AL-T4-N25-N062-18
Out Dia.:6.35mm (0.25in) ±0.33mm (0.013in)
In Dia.:1.57mm (0.062in) ±0.08mm (0.003in)
Length:457.2mm (18in)
Price:$10.28
Stock #:AL-T4-N25-N062-24
Out Dia.:6.35mm (0.25in) ±0.33mm (0.013in)
In Dia.:1.57mm (0.062in) ±0.08mm (0.003in)
Length:609.6mm (24in)
Price:$13.69
Stock #:AL-T4-N25-N062-30
Out Dia.:6.35mm (0.25in) ±0.33mm (0.013in)
In Dia.:1.57mm (0.062in) ±0.08mm (0.003in)
Length:762mm (30in)
Price:$17.17
Stock #:AL-T4-N25-N062-36
Out Dia.:6.35mm (0.25in) ±0.33mm (0.013in)
In Dia.:1.57mm (0.062in) ±0.08mm (0.003in)
Length:914.4mm (36in)
Price:$24.59
Stock #:AL-T4-N25-N062-42
Out Dia.:6.35mm (0.25in) ±0.33mm (0.013in)
In Dia.:1.57mm (0.062in) ±0.08mm (0.003in)
Length:1066.8mm (42in)
Price:$29.27
Stock #:AL-T4-N25-N062-48
Out Dia.:6.35mm (0.25in) ±0.33mm (0.013in)
In Dia.:1.57mm (0.062in) ±0.08mm (0.003in)
Length:1219.2mm (48in)
Price:$34.20
Stock #:AL-T4-N312-N062-6
Out Dia.:7.92mm (0.312in) ±0.41mm (0.016in)
In Dia.:1.57mm (0.062in) ±0.08mm (0.003in)
Length:152.4mm (6in)
Price:$4.02
Stock #:AL-T4-N312-N062-12
Out Dia.:7.92mm (0.312in) ±0.41mm (0.016in)
In Dia.:1.57mm (0.062in) ±0.08mm (0.003in)
Length:304.8mm (12in)
Price:$8.07
Stock #:AL-T4-N312-N062-18
Out Dia.:7.92mm (0.312in) ±0.41mm (0.016in)
In Dia.:1.57mm (0.062in) ±0.08mm (0.003in)
Length:457.2mm (18in)
Price:$12.05
Stock #:AL-T4-N312-N062-24
Out Dia.:7.92mm (0.312in) ±0.41mm (0.016in)
In Dia.:1.57mm (0.062in) ±0.08mm (0.003in)
Length:609.6mm (24in)
Price:$16.09
Stock #:AL-T4-N312-N062-30
Out Dia.:7.92mm (0.312in) ±0.41mm (0.016in)
In Dia.:1.57mm (0.062in) ±0.08mm (0.003in)
Length:762mm (30in)
Price:$20.29
Stock #:AL-T4-N312-N062-36
Out Dia.:7.92mm (0.312in) ±0.41mm (0.016in)
In Dia.:1.57mm (0.062in) ±0.08mm (0.003in)
Length:914.4mm (36in)
Price:$29.33
Stock #:AL-T4-N312-N062-42
Out Dia.:7.92mm (0.312in) ±0.41mm (0.016in)
In Dia.:1.57mm (0.062in) ±0.08mm (0.003in)
Length:1066.8mm (42in)
Price:$34.49
Stock #:AL-T4-N312-N062-48
Out Dia.:7.92mm (0.312in) ±0.41mm (0.016in)
In Dia.:1.57mm (0.062in) ±0.08mm (0.003in)
Length:1219.2mm (48in)
Price:$40.29
