316L Stainless Steel Seamless Pipe
Seamless 316L stainless steel pipe to ASTM A312, in quotation-confirmed NPS and schedule, pickled and annealed, with ordered documentation — for chemical, marine and process service.
Supply routes
- In-house production or processing
- Qualified partner-mill sourcing
- Stock coordination
Grade datasheets:316L
Specifications
| Grade | 316L; dual certification only when the ordered material and MTC meet both 316 and 316L requirements |
|---|---|
| Standard | ASTM A312/A312M, ASME B36.19 |
| Size range | Typical reference only: NPS 1/8–24 (10.3–610 mm OD). Confirm the ordered range and supply route in the quotation. |
| Schedule | 5S, 10S, 40S, 80S, 160, XXS |
| Length | Typical reference only: 6 m standard, random or fixed. Confirm the ordered range and supply route in the quotation. |
| Surface | Pickled and annealed |
| Testing | Tests required by the purchased standard and supplementary tests explicitly confirmed in the quotation. |
| Commercial basis | Quantity, MOQ, production route and delivery schedule are confirmed for each quotation. |
Dimensions and Tolerances
| Length | Typical reference only: 6 m standard, random or fixed. Confirm the ordered range and supply route in the quotation. |
|---|---|
| Outer Diameter | Typical reference only: NPS 1/8–24 (10.3–610 mm OD). Confirm the ordered range and supply route in the quotation. |
| Schedule | Typical reference only: 5S, 10S, 40S, 80S, 160, XXS. Confirm against the governing standard. |
| Order basis | Governing product and dimensional standard, delivery condition and any drawing-specific limits. |
| Special tolerances | Must be stated in the RFQ and accepted in the quotation before production. |
Published ranges are technical references, not a live-stock or production-capability promise. The final range, MOQ and delivery schedule are confirmed in the quotation.
Edge or end condition
- Edge or end condition is confirmed from the product form, standard and downstream fabrication need.
Testing and inspection
- Tests required by the governing purchased standard.
- PMI, NDE, corrosion, roughness or other supplementary inspection only when specified and confirmed in the quotation.
Order documents
- Inspection document type and content as ordered.
- Heat or lot traceability and supplementary reports when included in the accepted inspection plan.
Export packaging
- Export packing selected for product form, finish, dimensions, weight and transport route.
- Film, caps, interleaving, skids, cases or moisture protection only as confirmed in the order.
Seamless vs welded — when it matters
Seamless A312 pipe removes the weld seam as a variable: preferred for higher pressure ratings, aggressive media, and codes or client specs that simply require it. When the governing specification permits either route, request separate seamless and welded quotations for the same size, schedule and tests.
Verification you can hold
When positive material identification is required, define the lot scope, method, acceptance criteria and report in the RFQ. The accepted inspection and document plan must also state the required heat traceability, EN 10204 document type and pressure-test records.
Sizing help
Schedule dimensions and per-meter weights are available through the weight calculator; full 316L chemistry and equivalents are on the 316L datasheet.
Technical content updated: 2026-07-29
Organizational author: Tsingshan (Shandong) Iron & Steel Co., Ltd..Review method, status and limitations.
Typical Applications
Related technical resources
Grades
Published standards
Applicable standards
ASTM A312/A312M · ASME B36.19M
Finishes and processing
Stainless Steel Cut-to-Length and LevelingStainless Steel Polishing and Surface Finishing
What to Include in Your RFQ
Use the published values as a starting point, then identify the exact ordered option and acceptance criteria.
- Grade and governing standard
- 316L; ASTM A312/A312M, ASME B36.19M. State the exact ordered combination.
- Dimensions and tolerances
- Provide length, outer diameter, schedule and identify which order basis, special tolerances requirements govern acceptance.
- Finish, processing and edge or end condition
- ; Stainless Steel Cut-to-Length and Leveling, Stainless Steel Polishing and Surface Finishing; Edge or end condition is confirmed from the product form, standard and downstream fabrication need..
- Inspection, documents and packing
- Testing: Tests required by the governing purchased standard.; PMI, NDE, corrosion, roughness or other supplementary inspection only when specified and confirmed in the quotation. Documents: Inspection document type and content as ordered.; Heat or lot traceability and supplementary reports when included in the accepted inspection plan. Packing: Export packing selected for product form, finish, dimensions, weight and transport route.; Film, caps, interleaving, skids, cases or moisture protection only as confirmed in the order.
- Quantity, destination and requested delivery window
- State quantity per size, unit, delivery city or port, requested trade term and required delivery window so the supply and freight route can be confirmed.
Frequently Asked Questions
What information is needed to quote 316L Stainless Steel Seamless Pipe?
Send the grade, governing standard, dimensions, tolerance, finish, quantity, testing, document, packing and destination requirements.
Are the listed 316L Stainless Steel Seamless Pipe dimensions guaranteed available?
No. Published dimensions are technical references; actual availability, production route, MOQ and delivery schedule are confirmed for each quotation.
Which inspection documents are available for 316L Stainless Steel Seamless Pipe?
State the required document type and supplementary tests in the RFQ. The exact document package is confirmed before the order is accepted.
RFQ
Request a Quotation
Send the specification you have; we will identify missing inputs before quoting.