Stainless Steel Tees

Name: Stainless Steel Tees
Brand: HuaboPipe

304/316L stainless steel equal and reducing butt-weld tees made to order. List the run and branch sizes, wall thickness at each end and quantity for quotation.

Specifications

Size

DN15–DN1200 (about 1/2″–48″) usual; larger per drawing, up to DN3000

Wall / SCH

Sch10s–XXS, matched to pipe

Standard

GB/T 12459, ASME B16.9, EN 10253, DIN, JIS; others per drawing

Bevel / ends

BW bevel per standard or drawing

Grade

304/304L, 316/316L, 310S, 321, 2205, 2507

Material specification

ASTM A403 WP304/WP304L, WP316/WP316L, WP321, WP310S; ASTM A815 WPS31803/S32205, WPS32750

Process

cold-formed → solution annealed → beveling and sizing → surface treatment (polishing, pickling, sand blasting and sand tumbling)

Inspection

MTR available on request; hydrotest/NDT and lead time per order

Marking

Hard stamping or ink marking, per standard or order

Certificates

ISO 9001/14001/45001, PED, DNV, BV, TÜV SÜD factory approvals; see this site’s Certificates page

Inquiry checklist

When inquiring, state: size, wall/SCH, grade, standard, qty; for reducing, state run and branch sizes; non-standard parts can be made to drawing or sample.

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304 vs 316L: How to Choose?

How to choose

Use an equal tee when run and branch are the same size, or a reducing tee for a smaller branch. Specify the diameter and wall at all three ends. Confirm the material specification against the project design conditions and piping requirements.

Buying Tees for Stock Replenishment?

Send a line-by-line purchasing list for a mixed-size trial order. Standard items can be reviewed together; minimum quantities for special items and lead time are confirmed after checking the specifications, quantities and production schedule.

What to include in each line

Equal or reducing tee; identify both run ends and the branch
DN or NPS and wall thickness or schedule at each of the three ends
Material specification and exact grade, such as 304 or 316L
Seamless or welded construction requirement
Dimensional standard, drawing reference where needed and quantity
Marking, material document type and any additional testing

Example inquiry line (for quotation only):
Reducing tee | 316L | Run NPS 2 x NPS 2; branch NPS 1 | Sch40S at all three ends | Seamless required | EN 10253 | 20 pcs

Add your required material specification and inspection documents. Include the destination and requested delivery date for the order.

Material Documents & Traceability

Material documentation with heat numbers, chemical composition and mechanical test results can be supplied with traceability to the corresponding products or batches. Specify the document type and marking requirements before ordering. Inspection and certificate coverage are confirmed for the ordered items.

Combining several fitting types? See our stainless steel butt-weld fittings supply overview, or send your complete list for a quote.

FAQ

Can you make reducing tees?

Yes. Send run/branch sizes and wall, or a drawing.

Maximum size?

Up to DN3000.

Which standard?

GB/T 12459, ASME B16.9 (dimensions), EN 10253, DIN or JIS; other standards per drawing.

Lead time for non-standard tees?

It depends on drawing, grade and inspection. Delivery is confirmed with the drawing.

Can I mix equal and reducing tees in one trial order?

Yes, mixed lists can be reviewed for standard items. Give the run and branch sizes, wall thicknesses and quantity on separate lines. The available combinations, minimum quantities for special items and lead time are confirmed with the quotation.

Are all published sizes available from stock?

These equal and reducing tees are supplied to order. Send your list; minimum quantity and lead time are confirmed with the quote.

See the buying guide for inquiry details and our certificates for document scope and validity.