Products

Heat Exchange Materials

Forgings & Extrusions

Company

Melchers History

Quality Management

ALUnna

Aluminium Aerospace Tubes

DIMENSIONS AND LENGTHS

SEAMLESS EXTRUDED
	OD (mm)	Wall (mm)
Minimum	19.05	2
Maximum	280	38.1
Lengths	50mm – 13000mm

SEAMLESS DRAWN
	OD (mm)	Wall (mm)
Minimum	4,7	0.41
Maximum	260	19.5
Lengths	50mm – 8000mm

IN HOUSE TESTING

Ultrasonic

Hydraulic

Standard NDT

Grain structure

Chemical analysis by electron microscope

Hardness(Vickers, Brinell, Rockwell, Webster)

IN HOUSE CAPABILITIES

In house billet casting and homogenisation

Thermal treatment in 13m vertical oven

Roller straightening for precision straightness and TIR

Controlled stretching for stress relieving

Surface roughness reduction through linishing (RMS)

Precision, cut fixed lengths, deburring

Continuous line marking (ink) hard stamping

Corrosion oil protected, crc 3-36 or Aquasafe 40

SPECIFICATIONS & Alloys

AMS WWT 700	DIN	1 – 7xxx series
AMS-QQA	AIR	E.g.
AMS	ASNA	2024
Airbus	L series	5052
EN	Others on request	6061
Hydraulic		7075

Aerospace Approvals

Boeing Company	Sikorsky
Airbus	MBDA
Raytheon Aircraft Company	Eurocopter
Lockheed Martin	Bombardier
Aecma-Ease	Embraer
Agusta Westland	Bell Textron
Cryospace	Others

Copyright © 2008 Melchers Hong Kong & China