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Aerospace & Defence

André Hempel
André Hempel

CEO

Hempel Special Metals provides tailored material solutions for the aerospace and defence sector, where absolute quality and reliable supply are critical to programme success. As an independent, family-owned group with a global presence, we combine decades of industry expertise with long-standing partnerships with approved mill sources, ensuring dependable access to high-performance alloys that meet the most exacting standards.

Our product portfolio includes bar, sheet, plate, strip, tube and pipe in advanced materials such as titanium, nickel alloys, stainless steels and maraging steels. These high-performance alloys are supplied in a wide range of dimensions and configurations, giving customers the flexibility and assurance required for complex aerospace and defence applications.

Through our global service centres, we provide semi-finished products prepared precisely to customer specification, supported by technical guidance and sector-specific know-how. Our aerospace accreditations, including EN 9100 and EN 9120, ensure full quality assurance, traceability and just-in-time delivery, making us a trusted partner to many original equipment manufacturers worldwide. With stringent standards, specialist expertise and proven reliability, we enable our customers to design and deliver aerospace and defence systems that perform safely and consistently.


Product Range

Titanium

AlloySpecifications
Grade 2 / 3.7035 ASTM B 348, AMS 4902
Grade 3 / 3.7055
AMS 4900
Grade 4 / 3.7065AMS 4901, AMS 4921
Grade 5 / 3.7164AMS 4928, AMS 4911
Ti 6-2-4-2
AMS 4919 / 4975
Ti6Al2Sn4Zr6Mo / Ti 6-2-4-6AMS 4981
Ti 6Al-6V-2Sn / Ti 6-6-2
Grade 9 / Ti 3Al2.5V / 3.7194AMS 4944 / 5

Stainless Steel

AlloySpecifications
13-8 PH / 1.4534AMS 5629
15-5 PH / 1.4545AMS 5862, AMS 5659
17-4 PH / 1.4542 AMS 5604, AMS 5643, AMS 5622
A-286
AMS 5731, AMS 5732, AMS 5734, AMS 5737, AMS 5853
4340 / 1.6511
AMS 6409, AMS 6414, AMS 6415
52100 / 1.3505
AMS 6440/4
440 C / 1.4125
AMS 5630

Nickel based alloys

AlloySpecifications
625 / 2.4856AMS 5599, AMS 5666
718 / 2.4668AMS 5596, AMS 5662, AMS 5663
X750 / 2.4669
AMS 5542, AMS 5598, AMS 5667
X / 2.4665AMS 5536, AMS 5754
MP35N / 2.4999AMS 5844/5
Waspaloy
AMS 5708

Exotic Materials

AlloySpecifications
70/30 Cu/Ni
ASTM C70600
90/10 Cu/Ni
ASTM C71500
Invar 36 / 1.3912
Invar 42® / 1.3917
Kovar