GB/T 8182-2008Tantalum and tantalum alloy seamless tubes (English PDF)

3.1 Categories

3.1.1 pipe grades, status and specifications

Pipe grades, supply states and specifications shall comply with the requirements of Table 1.

Table 1

Pipe

Trademark

Availability status

Outside diameter/mm

Wall thickness/mm

0.2 0.3 0.4 0.5 0.6 0.8 1.0 1.2 1.5 2.0 2.5 3.0 3.5 4.0

Ta1

Ta2

TaNb3

TaNb20

TaW2.5

Annealing (M)

Cold-rolled, cold drawn (Y)

Stress Relief (M)

> 1 ~ 3 - - - - - - - - - - - - - -

> 3 ~ 5 - - - - - - - - - - - - - -

> 5 ~ 15 - - - - - - - - - - - - - -

> 15 ~ 25 - - - - - - - - - - - - - -

> 25 ~ 35 - - - - - - - - - - - - - -

> 35 ~ 40 - - - - - - - - - - - - - -

> 40 ~ 50 - - - - - - - - - - - - - -

> 50 ~ 65 - - - - - - - - - - - - - -

Note. "-" means that you can produce according to the standard specifications, the two sides negotiated by the supply and demand beyond the specification sheet.

3.1.2 tag example

Pipe marking example tantalum and tantalum alloys produced in accordance with this standard are as follows.

Example 1.

Cold-rolled seamless tube manufactured by Ta2, annealed, an outer diameter of 30mm, a wall thickness of 1.5mm, a length of 500mm, marked.

Tube Ta2 M u00d830 × 1.5 × 500 GB/T 8182-2008.

3.2 Chemical composition

3.2.1

The chemical composition of the pipe should be in accordance with Table 2.