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Tungsten crucible
View:1113  Date:2015/12/18

tungsten crucible

Density

Working temperature

    Diameter

Cubage

Sintering tungsten crucible

18.0 - 18.5 g/cm3

1800 - 2,600 DC

100 - 500mm (max.

0.4 - 100 litres

Forging tungsten crucible 

18.5 - 19.0 g/cm3

1800 - 2,600 DC

18 - 150mm (max.)

2 - 500 ml

                           Specification

 Delivery 

    Specification

     Tolerance

 

 

 Thickness

Roughness

 condition

  Diameter

  Height

Diameter

  Height

 

  (um)

Sintering

 10~500

 10~750

  +/-5.0

  +/-5.0

  8~20

   <3.5

Sintering
finishing

 10~450

  10~550

  +/-0.5

  +/-0.5

  7~18

   <2.5

                         Manufacturing process

Item

Process

Equipment

Quality Check

1

Powder purified

Purified furnace

GDMS

2

Isostatic pressing

Isostatic pressing machine

  Measurement of rough-processed

3

IF forging

High-accuracy forging machine

 Dimension measurements for product

4

IF sintering

High temperature vacuum sintering furnace

 Dimension measurements for product

5

Final machining

High-accuracy turning machine

Surface quality/ roughness and density

6

Package

 

Quality Test Report

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