Source SS 304L Pipe to specification
Build a supplier-comparable enquiry by defining outside diameter / NPS, schedule or wall thickness, seamless or welded route, end preparation, length and testing, material designation, governing standard and edition, quantity, destination, acceptance criteria and required certification.
RFQ definition: outside diameter / NPS, schedule or wall thickness, seamless or welded route, end preparation, length and testing.
Typical family applications: process equipment, food and beverage, chemical service, heat-resistant service, fabrication and general corrosion-resistant engineering. Suitability remains the buyer's engineering decision.
SS 304L Pipe sizes and dimensions to specify
Useful enquiry selectors—not an inventory or universal availability claim. Exact manufacturability is confirmed against grade, standard, route, tolerance and quantity.
Common RFQs reference ASME B36.10M or ASME B36.19M where applicable; the purchase order must identify the exact product and material standard.
Range guide: Common enquiry selectors: NPS 1/8 to NPS 24, with larger sizes treated as project-specific capability checks.
| Wall / schedule | 5S, 10S, 40S, 80S, 160 or XXS where the selected standard and manufacturing route permit |
|---|---|
| Manufacturing route | Seamless / welded / fabricated as specified |
| Length and ends | Single / double random or fixed length; plain, bevelled or threaded ends as required |
Common SS 304L Pipe size and RFQ examples
Use these as enquiry-format references only. They are not a stock list, dimensional standard substitute or availability promise.
| Nominal size | DN | Outside diameter | Common wall references | Example RFQ line |
|---|---|---|---|---|
| 1/2 inch | DN 15 | 21.3 mm | SCH 10S / 40S / 80S | SS 304L Pipe — 1/2 inch / DN 15 / 21.3 mm / SCH 10S / 40S / 80S |
| 3/4 inch | DN 20 | 26.7 mm | SCH 10S / 40S / 80S | SS 304L Pipe — 3/4 inch / DN 20 / 26.7 mm / SCH 10S / 40S / 80S |
| 1 inch | DN 25 | 33.4 mm | SCH 10S / 40S / 80S | SS 304L Pipe — 1 inch / DN 25 / 33.4 mm / SCH 10S / 40S / 80S |
| 1 1/2 inch | DN 40 | 48.3 mm | SCH 10S / 40S / 80S | SS 304L Pipe — 1 1/2 inch / DN 40 / 48.3 mm / SCH 10S / 40S / 80S |
| 2 inch | DN 50 | 60.3 mm | SCH 10S / 40S / 80S | SS 304L Pipe — 2 inch / DN 50 / 60.3 mm / SCH 10S / 40S / 80S |
| 3 inch | DN 80 | 88.9 mm | SCH 10S / 40S / 80S | SS 304L Pipe — 3 inch / DN 80 / 88.9 mm / SCH 10S / 40S / 80S |
| 4 inch | DN 100 | 114.3 mm | SCH 10S / 40S / 80S | SS 304L Pipe — 4 inch / DN 100 / 114.3 mm / SCH 10S / 40S / 80S |
| 6 inch | DN 150 | 168.3 mm | SCH 10S / 40S / 80S | SS 304L Pipe — 6 inch / DN 150 / 168.3 mm / SCH 10S / 40S / 80S |
| 8 inch | DN 200 | 219.1 mm | SCH 10S / 40S / 80S | SS 304L Pipe — 8 inch / DN 200 / 219.1 mm / SCH 10S / 40S / 80S |
| 12 inch | DN 300 | 323.9 mm | SCH 10S / 40S / 80S | SS 304L Pipe — 12 inch / DN 300 / 323.9 mm / SCH 10S / 40S / 80S |
How we compare SS 304L Pipe manufacturers
Grade designation, heat traceability and required certification are matched to the RFQ.
Route, size range, tolerances, heat treatment and form-specific capability are checked.
Dimensional, visual, PMI / chemistry, mechanical or NDT controls are defined where applicable.
MTC, inspection records, packing and export documents are aligned before dispatch.
No material grade, route, standard or dimension substitution without written buyer approval.
Supplier offers are compared on the same technical basis before commercial selection.
SS 304L Pipe sourcing questions
How do I source SS 304L Pipe from India?
Send the exact material designation, product standard, outside diameter / NPS, schedule or wall thickness, seamless or welded route, end preparation, length and testing, quantity, destination and required inspection. India Supply Solutions then identifies and compares suitable Indian manufacturers or suppliers.
How do I compare the qualified SS 304L Pipe manufacturers in India?
Compare actual capability for the named grade and form, applicable standard, traceability, test documentation, delivery record, inspection readiness and commercial transparency—not only the lowest quoted price.
Can you quote SS 304L Pipe price in India?
Yes, after grade, standard, dimensions, quantity, packing and delivery basis are defined. We do not publish a fabricated fixed price for specification-sensitive metal products.
What documents should be requested for SS 304L Pipe?
Depending on the requirement, buyers may request MTC / heat traceability, inspection records, PMI or chemistry verification, mechanical tests, NDT and packing / export documents.
More SS 304L products
Compare nearby material options
SS 304L pipe: welded assemblies and low-carbon grade enquiries
Keep the L suffix explicit in the purchase order, mill test certificate and heat-marking review. Do not accept a quotation for generic 304 as proof that 304L was offered. For any dual-certified offer, require the original test documentation to support both ordered designations.
Choose the product standard before the size schedule
ASTM A312/A312M covers austenitic stainless pipe in specified seamless and welded routes. An electric-fusion-welded ASTM A358/A358M offer is a distinct specification: confirm its class and required examination. ASME B36.19 provides dimensional requirements; it is not a material certificate or a pressure rating.
A complete RFQ line
SS 304L / ordered product designation; product standard and edition; seamless or welded route; NPS or exact OD; schedule and dimensional standard or exact wall; length and tolerance; ends; quantity by size; inspection and documents; destination and Incoterm. Confirm the actual wall for the selected size instead of assuming every schedule is available at every NPS.
Match the connected components separately
A matching pipe system also needs fittings and flanges selected to their own product specifications, dimensions, end connections and design requirements. A pipe material specification does not automatically qualify a flange or fitting.
304L fittings requirements · 304L flange requirements · Request a specification-based pipe quotation
ISS supplies through qualified sources. MOQ, mill identity, tests, lead time and stock availability remain subject to written confirmation for the exact enquiry.
Specification references: ASTM A312/A312M, ASTM A358/A358M and ASME B36.19. Confirm the contractual edition; this guide does not replace the standard.

