We are experts in complex metal shapes.
Howmet Aerospace Extrusions (formerly RTI Extrusions) currently produces over 16,000 extruded solid & hollow profiles a year in a wide range of alloy steels, stainless steels and titanium grades. Our plant in Low Moor, UK, utilizes a 1,250 Ton Extrusion Press.
We supply to 20 countries in Europe, Africa, Central and North America & Asia. Our extrusions are used in over 30 different industries and markets including:
Aerospace
Agriculture
Architectural
Automotive
Bearings
Construction
Defense
Electronics
Food
Further processing
General engineering
Hire work
Marine
Material handling
Medical
Metals
Paper & pulp
Petrochemical
Power generation
Press brake tooling
Pumps & valves
Railway
Textile machinery
Tools & cutting


Capabilities
Maximum Section Size
Profile to fit within a 152mm (6 inch) diameter circle with capability to go up to 343mm (13-5 inch) at our Houston Facility.
Weight per Extrusion: Up to 150kg (330 lbs)
Extrusions can be supplied in: Random, typical 5 to 8m (16 to 26ft) or Fixed Lengths
Minimum order quantity: As low as 250kg (550 lbs)
Cold Draw
Cold Drawing improves surface finish, material properties and can reduce dimensional tolerances to +0-0.25mm (=0-0.010 in.).
40 Ton Cold Draw Bench with associated Tag forming & Die renovation equipment
Materials Drawn: Carbon Steels, Alloy Steels, Stainless Steels
Minimum Size: 12.9 x 8.9mm (0.51 x 0.35 in.)
Maximum Size: to fit within diameter 100mm (4 in.)

Materials extruded
Titanium Alloys
Ti 6Al 4V AMS4935, DMD780-24, MTS1160,
MIL-T-81556, Ti 6-6-2 MIL-T- 81556, Ti-2-5Cu
MTS1021, Ti 5Al4V, Ti 6-2 -4-6, Ti 5-5-5-3
General Carbon, & Alloy Steels
1018, 817M40, 080M30, ST52-3
Armour Steel
4130, 4140, TL2350, IT140 to Def Stan 95-23
Austenitic Stainless Steels
304 L, 316L, 321, 347, XM19
Martensitic Stainless Steels
410, Jethete M152, Greek Ascalloy AMS5616
Duplex Stainless Steels
UNS31803, UNS32550
Precipitation Hardening Steels
17/4PH, 15/5PH
Nickel Alloys
Nickel 201, Alloy 600, Monel 400
Dimensional limits
Title
| Maximum cross sectional area | 6300mm sq | 9-765 in sq |
| Minimum web thickness | 4.0mm | 0.160 in |
| Minimum internal corner radius | 1-5mm | 0.060 in |
| Minimum external corner radius | 0.8mm | 0.030 in |
| Angular tolerance | +/- 2 Deg | |
| Twist/straightness/bow | 1 in 500 |
Dimensional Tolerances
Millimeters
| 4.5-2499 | +/-0-4 |
| 25 to 4999 | +/-0-5 |
| 50 to 74-99 | +/- 065 |
| 75 to 99-99 | +/- 075 |
| 100 to max | +/-1.0 |
Inches
| 0.180-0.99 | +/- 0.016 |
| 100-1.99 | +/- 0.020 |
| 2.00-2.99 | +/- 0.025 |
| 3-00-3-99 | +/- 0.030 |
| 4.00 to max | +/- 0.040 |
Wall thickness tolerances
For hollows
| Up to 6.24mm | +/-10% | Up to 0.25 in | +/- 10% |
| 6.25 to12-49mm | +/-7-5% | 0.26 to 0-49 in | +/-7-5% |
| 12-5mm to max | +/-5% | 0-50 in to max | +/-5% |


Learn more about our extrusion products and capabilities.
