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Oversized High-Temperature Fused Quartz Tube Suppliers in China - Quality Factory Manufacturing Solutions
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Outer Diameter (mm) |
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OD Tolerance (mm) |
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Standard Wall Thickness (mm) |
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Wall Thickness Tolerance (mm) |
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Standard Length (mm) |
|---|---|---|---|---|
200 |
±2.0～±3.0 |
6～12 |
±0.8～±1.2 |
1000～2000 |
250 |
±2.5～±3.5 |
8～14 |
±1.0～±1.5 |
1000～2000 |
300 |
±3.0～±4.0 |
8～16 |
±1.0～±1.5 |
1000～2000 |
350 |
±3.5～±4.5 |
10～18 |
±1.2～±1.8 |
1000～2000 |
400 |
±4.0～±5.0 |
10～20 |
±1.2～±2.0 |
1000～2000 |
450 |
±4.5～±5.5 |
12～22 |
±1.5～±2.0 |
1000～2000 |
500 |
±5.0～±6.0 |
12～25 |
±1.5～±2.5 |
1000～2000 |
600 |
±6.0～±8.0 |
15～28 |
±2.0～±3.0 |
1000～2000 |
700 |
±7.0～±9.0 |
18～32 |
±2.0～±3.0 |
1000～1800 |
800 |
±8.0～±10.0 |
20～35 |
±2.5～±3.5 |
1000～1800 |
900 |
±10.0～±12.0 |
22～40 |
±3.0～±4.0 |
1000～1500 |
1000 |
±12.0～±15.0 |
25～45 |
±3.0～±5.0 |
1000～1500 |
* All dimensions in millimeters (mm)
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Frequently Asked Questions
Q
What outer diameter range is available for these pipes?
The available outer diameter range spans from 200 mm to 1000 mm, covering a wide variety of industrial, structural, and infrastructure applications.
Q
What are the standard wall thickness options for a 500 mm outer diameter pipe?
For a pipe with a 500 mm outer diameter, the standard wall thickness ranges from 12 mm to 25 mm, with a wall thickness tolerance of ±1.5 mm to ±2.5 mm.
Q
What is the standard length range for large-diameter pipes (700 mm and above)?
For pipes with an outer diameter of 700 mm to 800 mm, the standard length is 1000 mm to 1800 mm. For pipes with an outer diameter of 900 mm to 1000 mm, the standard length is reduced to 1000 mm to 1500 mm.
Q
How does the outer diameter tolerance change as the pipe size increases?
The outer diameter tolerance increases proportionally with the pipe size. For example, a 200 mm pipe has a tolerance of ±2.0～±3.0 mm, while a 1000 mm pipe has a significantly wider tolerance of ±12.0～±15.0 mm to accommodate manufacturing variability at larger scales.
Q
Can custom wall thicknesses or lengths be ordered outside of the standard specifications?
The table reflects standard production specifications. For custom wall thicknesses, lengths, or tolerances beyond the listed ranges, please contact our technical team directly to discuss your specific project requirements.
Q
What do the wall thickness tolerances indicate, and why do they matter?
Wall thickness tolerances define the acceptable deviation from the nominal wall thickness during manufacturing. They are critical for ensuring structural integrity, pressure resistance, and compatibility with fittings and joints. Tighter tolerances are typically required for high-pressure or precision engineering applications.