About IncoTest
Part of the Special Metals Wiggin family and a wholly owned subsidiary of Precision Castparts Corporation — with roots stretching back to the mid-nineteenth century and a testing heritage built since 1983.
Independent Testing. World-Class Heritage.
IncoTest provides materials testing services from laboratories located within the Special Metals Wiggin facility in Hereford, England — one of the world's foremost centres for the development and production of high nickel alloys, including the Nimonic and Inconel families.
This unique position gives IncoTest direct access to some of the best-equipped testing facilities in the world, whilst operating as a fully independent contract test house serving Aerospace, Power Generation, Nuclear, Chemical, Automotive, and Manufacturing industries.
Precision Castparts Corp.
Precision Castparts Corp. (PCC) is a world leader in complex metal components and products for aerospace, power, & general industrial markets.
Hereford, England
Situated within the Special Metals Wiggin production facility — providing direct access to advanced alloy development knowledge and exceptional laboratory infrastructure.
Since 1983
Approved by NAMAS in 1983, IncoTest has since expanded UKAS, NADCAP, and major OEM approvals — including the first NADCAP approval by a European test house in 2002.
Fully Independent
Despite its unique facility access, IncoTest operates as a fully independent contract test house. Client data is held in strict confidence and never shared with third parties.
A Timeline of Milestones
The history of IncoTest is inseparable from the history of Special Metals Wiggin — a lineage of alloy innovation spanning nearly two centuries, and a testing heritage built on more than four decades of continuous accreditation.
Wiggin & Special Metals History
Henry Wiggin & Company established c.1850.
The Wiggin Companies became part of the International Nickel Company — the world's leading developer and producer of high nickel alloys.
From 1941–71: Pfeil development of Nimonic alloys at the Inco Alloys Wiggin Facility.
H. Eiselstein's development of Ni₃Nb leads to new alloys such as Inconel 718.
SMC acquired Inco Alloys International.
SMC became a wholly owned subsidiary of Precision Castparts Corporation.
IncoTest Approvals & Milestones
IncoTest first approved to conduct external testing by NAMAS.
IncoTest received its first UKAS materials testing approval.
IncoTest received Turbomeca approval.
IncoTest received approval from Rolls-Royce, General Electric, and Pratt & Whitney.
IncoTest received its first UKAS Calibration approval.
IncoTest became the first European Test House to gain full NADCAP approval.
IncoTest received Snecma approval.
IncoTest received ITP approval.
IncoTest received MTU approval.
IncoTest received NADCAP, UKAS, and Rolls-Royce approval for Crack Propagation.
Contact Us for an Estimate on Your Testing Needs
IncoTest provides high quality, cost effective materials testing services from some of the best equipped laboratories in the world. Operating 24 hours a day, orders are processed as quickly as possible to meet customers' delivery requirements.