316L Stainless Steel Butt-Weld Fittings
316L stainless steel butt-weld elbows, tees, reducers, caps and stub ends to ASTM A403 and ASME B16.9 for chemical, marine and process piping.
Supply routes
- Qualified partner-mill sourcing
- Stock coordination
Specifications
| Material | WP316L / WP316 as ordered |
|---|---|
| Types | Elbow, tee, reducer, cap and stub end |
| Dimensions | ASME B16.9 or MSS SP-43 as applicable |
| Size and wall | Typical reference only: Match ordered NPS and schedule. Confirm the ordered range and supply route in the quotation. |
| Ends | Butt-weld bevel to standard or project detail |
| Testing | Tests required by the purchased standard and supplementary tests explicitly confirmed in the quotation. |
| Marking | Grade, standard, size, heat and manufacturer data |
| Commercial basis | Quantity, MOQ, production route and delivery schedule are confirmed for each quotation. |
Dimensions and Tolerances
| Wall Thickness | Typical reference only: Match ordered NPS and schedule. Confirm the ordered range and supply route in the quotation. |
|---|---|
| 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
- Butt-weld bevel to standard or project detail; final condition as ordered.
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.
Match the entire piping class
Fitting grade, schedule, end preparation and dimensional standard must align with the pipe and design code. MSS SP-43 and ASME B16.9 cover different dimensional applications and should not be treated as interchangeable labels.
Material classes
ASTM A403 includes wrought austenitic fitting classes and manufacturing routes. State seamless or welded restrictions, heat treatment, NDE, repair-weld acceptance and supplementary requirements from the project requisition.
Order data
Send item type, angle or branch geometry, NPS, schedule, grade, quantity, dimensional standard, bevel, marking, MTC and any third-party inspection requirement.
Technical content updated: 2026-07-29
Organizational author: Tsingshan (Shandong) Iron & Steel Co., Ltd..Review method, status and limitations.
Typical Applications
Related technical resources
Published standards
Applicable standards
ASTM A403/A403M · ASME B16.9 · MSS SP-43
Finishes and processing
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, 316; ASTM A403/A403M, ASME B16.9, MSS SP-43. State the exact ordered combination.
- Dimensions and tolerances
- Provide wall thickness and identify which order basis, special tolerances requirements govern acceptance.
- Finish, processing and edge or end condition
- ; state any additional processing; Butt-weld bevel to standard or project detail; final condition as ordered..
- 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 Butt-Weld Fittings?
Send the grade, governing standard, dimensions, tolerance, finish, quantity, testing, document, packing and destination requirements.
Are the listed 316L Stainless Steel Butt-Weld Fittings 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 Butt-Weld Fittings?
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.