SPI (Materials) Ltd


SPI is a specialist in the supply of stainless steel tubes, pipes, tubular components, and other engineered components, such as turned parts and stamped parts. Since the 1990s, SPI has established itself as a first-choice supply partner of major manufacturing companies throughout the world. Our products are manufactured to the highest quality standards and are very competitively priced.

Although a high proportion of our customers are blue-chip market leaders seeking global procurement and supply solutions, we are also more than happy to cater for smaller quantity requirements and we maintain stocks in our distribution centres in order to effect this.

Historically, we have focused upon ‘special’ products for critical industries, such as automotive, medical and defence, and in doing so we have established a strong network of some of the world’s best suppliers. The supply of bespoke products is still an important part of our business, but, with a growing range of ‘standard’ products in our stocks, such as seamless tubes, seamless pipes, and butt weld pipe fittings, we can now offer the more typical products quickly and effectively.

SPI (Materials) Ltd - An Award Winning Company :-

2006 - The Queen's Award For Enterprise (International Trade)
2006 - The Sunday Times Fast Track 100 - the UK's 51st fastest growing company
2007 - The Sunday Times Fast Track 100 - the UK's 27th fastest growing company

Stainless Steel Seamless Tube

Stainless Steel Seamless Tube

SPI stocks a very wide range of stainless steel bright annealed tubing in both metric and imperial sizes. The range starts at 1.59mm od (1/16''od) and ends at 42mm od, although we carry some larger sizes in annealed & pickled condition.

The variety of diameters and wall thicknesses available is comprehensive in materials 304/304L (1.4301/1.4306) and 316/316L (1.4401/1.4404) and we are increasing the availability of sizes in material 316Ti (1.4571). Typically the tubes are multi-certified to international specifications ASTM A269, ASTM A213 and EN10216-5. Our standard stock lengths are 6 to 6.1 metres.


Stainless Steel Seamless Tube

Welded Tube


SPI supplies products from stock and production:

From Stock:
A comprehensive range of stainless steel tubes and pipes, both seamless and welded, as well as seamless pipe fittings

From Production:
We can offer a wide portfolio of bespoke products: non-standard tubes and pipes, turned parts, stamped parts, machined castings, formed tubes, and tubular components.

Welded Tube

Heat Exchanger Tube

SPI supplies tubes and components into a wide variety of industry sectors. Most applications are quality-critical, ensuring that we maintain a sharp focus upon product and service quality. Automotive, defence and medical are industries within which we have particular strength and experience:-

SPI stocks a range of stainless steel welded tube for supply to manufacturers of heat exchangers.

Typically the stock tubes conform to ASME SA249, although we regularly supply other specifications, such as EN10217-7 from production. Our pricing is remarkably competitive and our product quality is perfect for this critical application.


Heat Exchanger Tube

Turned Parts

SPI is partnered with Asia's best manufacturers of turned parts, allowing us to offer our customers first-class quality products and extremely competitive pricing.

Although the majority of the turned parts we supply today are stainless steel, we can offer these products in a wide variety of materials, such as copper alloys.

We guarantee repeatable quality and on-time deliveries - complete customer satisfaction, every time.

Turned Parts

Seamless Butt Weld Fittings

SPI's stock of stainless steel seamless butt weld fittings includes 90 degree elbows, 45 degree elbows, eccentric / concentric reducers, equal / unequal tees.

Our size range is very comprehensive and typically conforms to ASME SA403. The quality of our fittings products is exceptionally high and we are successfully delivering them throughout Europe.


Seamless Butt Weld Fittings


The SPI management team firmly dedicates itself to providing customers with products of the very highest quality standards. Products are manufactured and supplied in accordance with industry norms, as well as our customers' own corporate standards. Specifications and control plans are strictly adhered to. Each of our suppliers operates according to internationally recognised Quality Management System standards, such as ISO9000, QS9000 or TS16949.

Our Quality Policy, together with all aspects of our company's Quality System, is respected by mandate and is observed by all who act, in whatever capacity, on our behalf. The management team engages in regular communication with all employees to ensure that the Quality Policy is understood, implemented, and maintained at all levels.

Given the progressive nature of quality assurance, the management team undertakes to continually improve the effectiveness of our Quality System, to ensure our position at the forefront of quality matters, together with our ongoing compliance with our customer needs and expectations.

Our appointed Quality Manager has independent authority and responsibility for the maintenance and execution of the company's Quality System.

Through our dedication to continuous improvement, we underline our commitment to the delivery of outstanding quality products on time and within agreed budgets, thus ensuring that we exceed our customers' expectations.


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