Product Categories:
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. Call for any custom production request.
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:$6.90
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:$13.76
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:$20.66
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:$27.59
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:$34.58
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:$6.47
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:$12.81
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:$19.29
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:$25.70
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:$32.22
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:$47.06
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:$54.58
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:$5.10
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:$10.14
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:$15.21
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:$20.33
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:$23.81
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:$36.85
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:$43.19
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:$48.35
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:$3.81
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:$7.69
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:$11.48
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:$15.35
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:$17.81
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:$30.35
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:$35.59
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:$39.69
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:$3.81
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:$7.69
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:$11.48
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:$15.35
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:$17.81
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:$30.35
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:$35.59
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:$39.69
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:$2.29
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:$4.60
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:$6.90
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:$9.20
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:$11.57
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:$17.47
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:$20.40
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:$25.20
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:$2.29
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:$4.61
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:$6.91
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:$9.20
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:$11.50
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:$17.51
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:$20.40
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:$25.20
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:$2.29
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:$4.61
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:$6.91
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:$9.20
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:$11.50
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:$17.51
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:$20.40
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:$25.20
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:$2.31
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:$4.62
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:$6.91
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:$9.20
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:$11.55
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:$17.48
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:$20.52
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:$25.51
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:$2.76
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:$5.55
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:$8.27
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:$11.05
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:$14.72
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:$20.98
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:$24.45
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:$28.51
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