Custom dimensions
If the standard size does not fit, specify the section and length. Mating dimensions and tolerances are agreed before ordering.
CORDTEX CARBON · MATERIALS
Round carbon tube 40×36×2000 mm
Factory order · stock not confirmed
FOR YOUR COMPONENT
Need a different section or length? Include the dimensions and quantity in your enquiry.
Made to order
Base price shown. The final price may vary with order quantity and production lead time. Wholesale batches are priced individually.
Delivery time and the final price will be confirmed in the quotation.
Price per tube3 430 ₽ / pc.
For 1 pc.: 3 430 ₽
Add the tube to your list. Enter your contact details and send your enquiry in the form.
Specification, price and delivery time are confirmed before payment.
Prices by quantity
| Quantity, pcs. | Price per piece |
|---|---|
| 1–50 | |
| 51–100 | |
| 101–500 | |
| 501+ |
IF YOU CAN WAIT
Factory manufacture for your task
Section, wall thickness and length to suit your design. Manufacturing feasibility is confirmed on enquiry.
An agreed batch
State the quantity and specification requirements. These parameters are recorded in the supply quotation.
From your drawing
Send a drawing or sketch. We will clarify the tube specification and how it connects to other parts.
Lead time includes manufacture and delivery. Price and timing are quoted after the specification and quantity are confirmed.
SPECIFICATION AND ORDERING
Specifications and ordering
Specification details
T300 · specification confirmed on enquiry. Mating dimensions and tolerances matter when joining other parts. Include them in the enquiry or attach a drawing.
How are price and lead time confirmed?
The price is per tube. Listed prices adjust to quantity and payment method. Custom specifications are quoted on enquiry; lead time is confirmed before ordering.
Need a different size?
Specify the section, length and quantity. Mark critical dimensions on a drawing. Manufacturing feasibility and supply terms are confirmed in our reply.
Request custom dimensionsDocuments and acceptance
Assortment document
Round-tube assortment passport ПК-Т-2026-001, revision 1.7 dated 2 November 2026. The selected shipment is governed by its agreed specification and batch documents.
Round-tube assortment passport · PDF in RussianNumerical tolerances in the appendix are proposed acceptance requirements. The stiffness model uses an engineering assumption and does not replace finished-tube tests. This document covers round sections; it is not a passport for square, rectangular or hexagonal tubes.
How to read round-tube dimensions
D × d × L means outside diameter × inside diameter × length, in millimetres. Wall thickness follows the geometry: t = (D − d) / 2.
Nominal catalogue dimensions are separate from measured batch dimensions. Confirm critical fits and acceptance tolerances in the order specification. The numerical tolerances in the passport appendix are proposed requirements, not evidence of measurements of your shipment.
For your shipment
- State the section, dimensions, wall thickness, length and quantity.
- Provide a drawing with critical fits and required tolerances.
- List the finished-product properties and batch documents to confirm before ordering.