Manufacturers and fabricators in Kanpur require exacting tolerances for hydraulic and automotive applications. Our precision cold-drawn tubes deliver the exact internal and external dimensions your machinery demands. RP Sales stocks ST45 and ST52 grades in common sizes from Kanpur and supplies dispatch-ready material certified to DIN 2391 / EN 10305, with Mill Test Certificates included on every order since 1994.
Application-Grade Matching Matrix
- ST35General mechanical engineering and low-pressure pneumatic lines.
- ST45Automotive components, steering columns, and standard hydraulic cylinders.
- ST52High-pressure hydraulic systems, heavy earthmoving equipment, and crane actuators.
On-the-ground in Kanpur — where our precision tubes actually land
Precision-tube demand around Kanpur has its own geography that bears almost no overlap with the structural ERW market. Dada Nagar industrial area is the largest single cluster — pump-OEM and hydraulic-cylinder fabricators feeding regional construction-equipment, earth-moving-machinery and small-press makers take cold-drawn ST52 BK+S (skived and roller-burnished) in OD 40–160 mm with H8 / H9 bore tolerance, almost always with a per-tube dimension report and surface-roughness callout against Ra ≤ 0.4 μm. A separate stream of ST45 BK material moves to auto-component shops along the Kanpur-Unnao stretch and at the Panki industrial estate fringe — these are tier-2 and tier-3 OEMs producing steering columns, shock-absorber tubes, propeller-shaft blanks and gas-spring outer tubes. Instrument-panel and switchgear fabricators on the city's east side, plus a handful of dairy-equipment and food-processing-machine builders feeding the UP cold-chain, take stainless precision tube and small-OD DIN 2391 ST35 BK for low-pressure pneumatic and instrument lines.
Logistics on precision tube is tighter than commodity ERW because surface finish and dimensional integrity are the product. We segregate at the yard by delivery condition (BK, BKW, BKS, GBK, NBK), keep tube ends capped with thread-protectors or end-plugs, and use lined wooden cradles inside the truck so the bore-honed inner surface arrives unmarked. Intra-Kanpur same-day delivery is standard from Bartan Bazar to Dada Nagar (8 km), Panki (12 km) and the east-side instrument lanes (~6 km). Many of the smaller Dada Nagar accounts still prefer direct yard pickup, which means we hand over the MTC plus a per-tube dimension report at loading rather than mailing it later. Freight on intra-Kanpur runs is rolled into the per-kg quote. Payment terms map to segment: hydraulic-cylinder OEMs run on 30-day post-invoice credit once two cycles are clean; auto-component tier-2 / tier-3 shops run on monthly running-bill cycles aligned to their own OEM payment receipts; first-time precision-tube buyers run on PI / advance because non-conformance returns on cold-drawn material are operationally expensive on both sides and we will not risk that on an unfamiliar account.
How wholesale pricing works for this product
Per DIN 2391 and BIS IS 3601, wholesale pricing for precision tubes is calculated by combining base coil rates from the source mill, conversion costs, and logistic expenses. Unlike retail, our wholesale pricing is heavily volume-dependent. We maintain transparent pricing structures.
- Prices are quoted per kilogram or per metric ton (MT).
- Exact theoretical or actual weight basis is clearly defined in every quotation.
- Significant freight advantages apply to full truckloads (9MT to 30MT).
Delivery zones from Kanpur
Our strategic location in Kanpur allows us to dispatch precision tubes rapidly across Northern and Central India. We partner with specialized steel haulage fleets. This ensures your pipes arrive without transit damage or ovality issues.
Uttar Pradesh, Delhi NCR, Northern MP.
Bihar, Jharkhand, Rajasthan, Haryana.
Quality certifications we issue
Traceability is critical in industrial procurement. For every dispatch of precision tubes, we supply full documentation. This protects you during third-party site inspections and ensures engineering compliance.
- Original Mill Test Certificates (MTC) stating chemical & physical properties.
- Delivery challans with exact weighment bridge slips.
- Tax-compliant e-way bills and GST invoices.
How to place an order
- Send us your Bill of Quantities (BOQ) with exact specifications, sizes, and destination pin code.
- Our technical sales team (Ajay or Ayush) will reply with a detailed quotation within 2 working hours.
- Approve the quotation and issue a Purchase Order (PO).
- We dispatch the material from our Kanpur stockyard and provide live tracking details.
Trust signals
Most-Ordered Precision Tube Sizes
| Size | OD (mm) | Type | Standard |
|---|---|---|---|
| 10 mm OD | 10 | Cold-Drawn | DIN 2391 |
| 20 mm OD | 20 | Cold-Drawn | DIN 2391 |
| 30 mm OD | 30 | Cold-Drawn | IS 3601 |
| 50 mm OD | 50 | Cold-Drawn | DIN 2391 |