Warehousing, machining and worldwide supply of high-strength specialty steels, stainless steels as well as aluminium, titanium and nickel alloys.
Tennant Metall & Technologie GmbH
Herne (Castroper Str. 80)New on Amplifa
About Tennant Metall
Tennant Metall & Technologie GmbH is an owner-managed family business founded in 1989 and headquartered in Herne in the Ruhr region. Since 1989 the company has been supplying customers worldwide with semi-finished products made of high-quality steel and other metal alloys. In addition to location-independent warehousing of standard dimensions in seamless tubes, plates, round and flat bars as well as welding wire, the product range includes the manufacture of special parts such as hollow bars, blanks and flat bars. The in-house pre-fabrication covers sawing, milling, deep-hole drilling, waterjet and laser cutting, heat treatment, straightening, marking and export-capable packaging as a recognised IPPC packaging facility. Customers include companies from aerospace, defence, motorsport and mechanical engineering, among them Airbus, Collins Aerospace/RTX, ZF and Indonesian Aerospace; more than 990 active customers in 48 countries are supplied.
- Site
- Herne
- Processes
- Sawing (cutting, severing), Milling (machining), Deep-hole drilling, Waterjet cutting, Laser cutting, Heat treatment (in-house processing; outsourced special processes preferably NADCAP-approved), Straightening, Marking / technical marking
- Materials
- 1.7225 (42CrMo4 / SAE 4140), 1.6582 (34CrNiMo6 / SAE 4340), 1.1191 (C45 / SAE 1045), 1.3505 (100Cr6 / SAE 52100), 1.2379 (D2 / X153CrMoV12), 1.2842 (90MnCrV8 / O2), 1.4301 (SAE 304), 1.4305 (AISI 303)
- Certificates
- AS/EN 9100, AS/EN 9120, AS/EN 9001, Airbus approval ARP ID 203381, NCAGE, Supplier certificate Indonesian Aerospace, IPPC approval certificate (packaging facility, ISPM-15), ZF supplier certificate, Quality assurance agreement (QSV Rev. 4), AS/EN 9100 (Manufacturer), AS/EN 9120 (Distributor), ISO 9001, NCAGE CH223, IPPC packaging facility (ISPM-15)
- Founded
- 1989
- Industries
- Aerospace, Defence/Defence technology, Motorsport, Mechanical engineering
- 01
Consulting & procurement of semi-finished material
- 02
Goods receipt & 100% inspection
- 03
Batch-traceable warehousing in Herne
- 04
Pre-fabrication (sawing, milling, deep-hole drilling, laser/waterjet cutting)
- 05
Heat treatment & straightening
- 06
Marking & documentation
- 07
Goods dispatch & inspection
- 08
Export packaging (IPPC/ISPM-15) & delivery
Site
Herne
DEHeadquarters, warehouse, machining, IPPC packaging facility
- Part weight / size
- Cutting up to Ø 550 mm / 550 mm width / 200 mm thickness
- Lot size
- Prototypes to series production volumes
- Materials
- Specialty steels, stainless steels, aluminium, nickel and titanium alloys
- Sawing
- Milling
- Deep-hole drilling
- Waterjet cutting
- Laser cutting
- Straightening
- Spectrometer (chemical analysis)
- IPPC packaging facility
Industries
Processes & technical limits
| Processes | Tolerance | Max. part | Weight | Lot size | Materials |
|---|---|---|---|---|---|
| Sawing (cutting, severing)Machining | – | – | – | – | high-strength specialty steels, stainless steel, aluminium, nickel alloys (e.g. Inconel 625), titanium alloys |
| Milling (machining)Machining | – | – | – | – | high-strength specialty steels, stainless steel |
| Deep-hole drillingMachining | – | – | – | – | specialty steel |
| Waterjet cuttingMachining | – | – | – | – | steel, stainless steel |
| Laser cuttingMachining | – | – | – | – | steel, stainless steel |
| Heat treatment (in-house processing; outsourced special processes preferably NADCAP-approved)Heat treatment | – | – | – | – | quenched and tempered steels, precipitation-hardening stainless steels |
| StraighteningForming | – | – | – | – | steel |
| Marking / technical markingSurface | – | – | – | – | – |
| Export packaging to IPPC / ISPM-15, vacuum packagingAssembly | – | – | – | – | – |
| Machining | – | 550 mm (flat steel width) | – | – | specialty steel, stainless steel, aluminium, nickel alloys |
| Chemical analysis (spectrometry)Testing | – | – | – | – | – |
| Mechanical testing (external laboratory), ultrasonic testing, hardness testingTesting | – | – | – | – | – |
| Engineering | – | – | – | – | specialty steels, stainless steels, aluminium alloys, nickel alloys, titanium alloys |
Additional services
Reference customers
Quality & Approvals
Every batch is stored with batch traceability, 100% dimensionally and visually inspected, marked and documented with full traceability back to the melt; works certificates 3.1 to EN 10204 are supplied on request. Chemical analysis (spectrometry) is performed in-house, while mechanical testing, ultrasonic and hardness testing are carried out on customer request or outsourced to external, independent materials testing laboratories.
| Evidence | Herne |
|---|---|
| AS/EN 9100 (Manufacturer) | |
| AS/EN 9120 (Distributor) | |
| ISO 9001 | |
| Airbus approval ARP ID 203381 | |
| NCAGE CH223 | |
| IPPC packaging facility (ISPM-15) |
History
- 1989
Founded by Barrington Tennant; since then worldwide supply of semi-finished products made of steel and alloys.
- 2000
First certification to AS/EN 9100.
- 2015
Certification to EN 9120; Barrington Tennant and daughter Leonie Tennant-Loscher run the company together in the second generation.
- 2020
Audit to EN 9100:2018 and EN 9120:2018 by Bureau Veritas successfully passed.
- 2023
Change of certifier to BSI (The British Standards Institution).
- 2024
First BSI certification received in April without any non-conformities.