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High-Temperature Oversized Fused Quartz Tube from China Suppliers - Factory Direct for Large Applications
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⌀
Outer Diameter (mm) |
📐
OD Tolerance (mm) |
📏
Wall Thickness (mm) |
🔧
Wall Tolerance (mm) |
📦
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 |
❓
Frequently Asked Questions
► What is the outer diameter range available for these pipes?
The pipes are available in outer diameters ranging from 200 mm to 1000 mm, covering a wide range of industrial and construction applications.
► What are the standard wall thickness options for large-diameter pipes?
For larger diameters such as 900 mm and 1000 mm, the standard wall thickness ranges from 22–40 mm and 25–45 mm respectively, providing enhanced structural strength for demanding applications.
► What is the standard length for pipes with an outer diameter of 700 mm or above?
Pipes with an outer diameter of 700 mm and 800 mm are supplied in standard lengths of 1000–1800 mm, while pipes with an outer diameter of 900 mm and 1000 mm are available in lengths of 1000–1500 mm.
► How tight are the outer diameter tolerances for smaller pipe sizes?
Smaller pipes, such as those with a 200 mm outer diameter, have an OD tolerance of ±2.0 to ±3.0 mm, ensuring precise dimensional accuracy for tight-fit installations.
► Can custom wall thickness be ordered outside the standard range?
The table lists standard wall thickness ranges for each diameter. For special project requirements, it is recommended to contact the supplier directly to discuss custom wall thickness options and feasibility.
► Why do wall thickness tolerances increase with larger pipe diameters?
As the outer diameter increases, the manufacturing process becomes more complex and the absolute dimensional variation naturally grows. Larger pipes require wider tolerance ranges to account for material behavior and production constraints while still meeting structural performance standards.