TITANIUM

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ETP 58 (EXTERNAL TECHNICAL PAPER NUMBER 58) TAPPEX TRISERT-3® TITANIUM

Tappex has been designing, developing and manufacturing many types of threaded inserts to meet the ever-changing demands of industries around the world, particularly where both installation time and reliability are of prime importance. In-line with our philosophy of continuous product development, Tappex has introduced a new material to the proven Trisert-3 range made from Titanium Grade 5, this option opens up opportunities for applications in particularly harsh environments or corrosive atmospheres, and where weight is of prime importance.

TITANIUM

Titanium has three key properties that make it particularly desirable:

1. High level of corrosion resistance.

2. Low density (4.43 g/cc). 3. High strength (950 MPa). The Trisert-

3 Titanium retains all the advantages of the existing Trisert-3 range:

 three facets offering balanced cutting

 enhanced back-out performance

 large bearing surface – the reduced head also aids orientation of the insert

 speed of installation

 free running internal thread

 compatibility with the existing Trisert / Trisert-3 hole sizes

 reduced external diameter

 fully supported cutting edges.

 no contaminating flitter

TITANIUM THREAD INSERT

Titanium Grade 5 is an alloy of Titanium offering high strength, light weight and excellent corrosion resistance.

TITANIUM CORROSION RESISTANCE

When Titanium is exposed to the atmosphere, a stable, substantially inert, oxide film is immediately formed. It is this surface film that gives the material its excellent corrosion resistance. Titanium does not corrode in normal seawater environments or polluted waters such as ports and harbours.