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Specialist tubing
Enquire for stainless coil tubing by grade, OD, wall and continuous coil length. Include packaging and delivery requirements.
Request a quoteTechnical reference
| Field | Order reference |
|---|---|
| Standard | Grade and base tubing standard such as A269 where specified |
| Product or route | Continuous coils or reels with a defined usable length |
| Critical dimensions and fit | State minimum continuous length, restrictions on joins and reel limits |
| Supply enquiry | Confirm sizes, lengths, route, documentation and lead time for your order |
Illustrative drawing sizes. The bore and mass are calculated from the nominal dimensions. Use the project tolerance and confirm the size and route in the quote.
| Tube OD (mm) | Wall (mm) | Nominal bore (mm) | Estimated kg/m at 8,000 kg/m³ |
|---|---|---|---|
| 6 | 1 | 4.00 | 0.13 |
| 9.53 | 1.24 | 7.05 | 0.26 |
| 12 | 1.5 | 9.00 | 0.40 |
Use the approved design code and service conditions. The applicable rating depends on material, temperature, minimum effective wall, joint details and the limits of the connected assembly. A schedule or a hydrostatic test result alone cannot establish an operating pressure.
Reference ASME process piping code B31.3
The grade on the purchase line controls chemistry. Specify the grade with the finished product standard or drawing.
| Check | What to match |
|---|---|
| Grade and specification | TP or UNS on the quotation and material report |
| Heat analysis | Full limits and any stabilising or alloy additions under the ordered edition |
Reference ASTM steel standards
Use the ordered grade, delivery condition and product standard to review the actual tensile, yield, elongation or hardness results required by the order.
| Check | What to verify |
|---|---|
| Condition | Heat treatment or cold-work condition stated for the offered form |
| Acceptance | Project-specified dimensions and relevant test records |
Reference ASTM steel standards
Check individual coil length, end protection and coil or heat identification.
| When | What to check |
|---|---|
| Before ordering | Document the required test method, edition and any witness points |
| At delivery | Match the material report and heat or lot identification to the shipment |
Straight lengths suit short repeated runs when the installation permits joints.
For the enquiry, state minimum continuous length, restrictions on joins and reel limits.
Grade and base tubing standard such as A269 where specified · 6 × 1 mm. Add quantity, lengths, delivery city and the required reports.
Ordering guidance
For stainless coil tubing, give outside diameter, wall thickness, grade and required continuous length per coil. Separate total order quantity from minimum usable length per coil.
State whether joins are allowed and give any coil diameter, winding, packaging or end protection constraints. If the tube is going into a defined assembly, include the specified finish and tolerance.
Check pricing and availability →
Buyer’s guide
A total metre requirement can be supplied in several lengths unless the enquiry states the minimum continuous length per coil. If the installation prohibits joins, write that requirement explicitly and ask each bidder to state the number of coils and their individual lengths. Separate total quantity from minimum usable run length.
Provide the tube OD, wall, grade and applicable specification, then give the permitted coil OD or reel size if handling space is limited. Tell the supplier whether the tube will be fed directly from a reel or straightened first. Specify end plugs, cleanliness and any payout orientation that affects installation.
Confirm the permitted joints, length tolerance, traceability and marking. Ask whether the quoted coil length includes allowances for test ends or material that will be trimmed. For multiple runs, identify coil lengths by line number so shorter coils cannot be substituted unnoticed.
For three instrument runs of 70 m each, request three continuous lengths of at least 70 m plus the approved installation allowance. List the coil or reel limits and required tube OD and wall on the same line.
Only when the project permits a join and the installation accepts its location. State the minimum continuous length when the run must be joint-free.
Technical references ASTM steel standards directory
Prepare your enquiry
| Item | What to send |
|---|---|
| Product details | OD × wall · grade · length per coil · total quantity · joints and packaging |
| Delivery | Quantity with units, delivery city and required date if known |
| Acceptance | Required certificates and inspection scope; attach the drawing revision where applicable |
Yes for an initial enquiry, but specify minimum continuous length if shorter coils would not be usable.
Technical reference: ASTM steel standards catalogue
Project enquiries
Send your dimensions, quantities and delivery city. Include any inspection or material certificate requirements so they can be quoted against the same line items.
Request a quote → Call +91 99204 92715