Stainless metric tube in stock at Midsteel

Pipe and tube

Stainless steel seamless
and welded pipe

SA312 TP304/L and TP316/L nominal bore pipe to ASME B36.19, in Schedule 10S, 40S and 80S, stocked alongside matching fittings and flanges.

Request a quote Call 01384 400290

Stainless steel nominal bore pipe from stock

Midsteel supplies stainless steel nominal bore pipe in both seamless and welded forms, made to ASTM/ASME SA312 in grades TP304/L and TP316/L. Stocked in Schedule 10S, 40S and 80S to ASME B36.19, our pipe covers everything from light-wall process and water lines to heavier-wall pressure service.

Pipe is supplied with EN 10204 3.1 certificates. We stock the matching stainless butt weld fittings, forged fittings and flanges, so the complete package can be ordered, certified and delivered together.

Get a price Buy online

Specification

Stainless steel pipe specification

Material ASTM/ASME SA312 TP304/L and TP316/L

Manufacture Seamless and welded

Dimensions ASME B36.19, Schedule 10S, 40S and 80S

Origin Non-European

Certification ISO 9001, PED and EN 10204 3.1

Other grades, pressure ratings and wall thicknesses are available on request. Material test certificates to EN 10204 3.1 are supplied as standard.

In stock

Seamless stainless NB pipe
Welded stainless NB pipe
Schedule 10S light wall
Schedule 40S standard wall
Schedule 80S heavy wall

Seamless or welded?

Seamless pipe is made from a solid billet with no weld seam, so it is typically specified for higher pressures, critical service and smaller bores. Welded pipe is formed from plate or strip and welded along its length. It offers consistent wall thickness at a lower cost, and is widely used on larger bores and lower-pressure lines.

Grade TP316/L contains molybdenum for better resistance to chlorides, and TP304/L is the general-purpose grade. Both are low-carbon, dual-certified grades that weld without sensitising.

Complete the line

Pair your pipe with fittings and flanges in the same grade and schedule.

Stainless butt weld fittings, Sch 10S and 40S
Stainless forged fittings, 3000# and 6000#
Stainless flanges to ASME B16.5 and EN 1092-1

ISO 9001:2015Lloyd’s (LRQA) approved quality system
EN 10204 3.1 certsFull material traceability as standard
Same-day serviceAvailable on urgent stock and machined specials
In-house machiningSpecials and hard-to-find sizes made to order

FAQs

Stainless pipe questions

Can't find the answer? Our sales team can advise on grades, standards and lead times.

Ask a question

What is the difference between TP304L and TP316L pipe?

TP316L contains molybdenum, which gives better resistance to pitting and crevice corrosion from chlorides, so it is preferred for marine, chemical and coastal service. TP304L is the general-purpose grade for water, food and mild process duty.

What does Schedule 10S mean?

The schedule defines the wall thickness for a given nominal size. The S suffix denotes the stainless steel schedules in ASME B36.19. Schedule 10S is light wall, 40S standard wall and 80S heavy wall.

Can you supply cut lengths?

Contact our sales team with your requirement and we will advise on lengths available from stock.

Need a price or a delivery date?

Send us your enquiry, schedule or drawing and our sales team will come back to you with stock, price and lead time.

Request a quote 01384 400290

Stainless steel seamless and welded pipe