Western Metal Materials Co., Ltd. -...

�� WESTERN METAL MATERIALS CO.,LTD ��

�� !�"� #$ �www.c-wmm.com % & �� ' ( �)�*+,-��./0 �! 10 2 3 �� 4- 1 -

Western Metal Materials Co., Ltd.

Western Metal Materials Co., Ltd. (WMM) is sponsored by Northwest Institute for Nonferrous

Metal Research, with other five shareholders. On Dec 28 2000, it is registered in Xi'an High-Tech

Development Zone with registered capital. 9,142 million RMB. It is confirmed as High-Tech

enterprise by Science and Technology Department of Shaanxi Province and receive identification

of CSQA ISO 9002 Quality System in 2001.

WMM has been listed in Shenzhen Stock Exchange in August, 2007 for raising funds 0.3 billion

RMB to refractory metal plate & sheet production line.

WMM have the 877 employees, among them, one is academician of the Chinese Academy

of Engineering, and more than 100 are doctors and masters. WMM occupy five spaces of two

cities, 280,000 square meters.

WMM have seven series of products, such as refractory metal materials, pressure vessels,

explosive clad materials, precious metal products, pipe fittings, fine chemical products and metal

fibre products. They are widely used in many areas such as astronautics, metallurgy, petroleum,

chemical industry, chemical fibre, electronics and energy. They have been exported to America,

Korea, Japan, Germany, Italy, Australia and etc. The operation objective of incorporation is to

promote production, hold competing advantage, elevate value of security of shareholder by

issuing stocks, according to advanced technology, specialist and devoted facilities of NIN and

National Engineering Research Center of Metal Processing based the present producing

situations , facilities and technical level of precious metals and clad metal materials .

W & Mo Material Division

W & Mo Materials Division has more than 40 years experiences in W & Mo metals research and

production, and it is the earliest organization engaged in the processing of W & Mo materials. The

products are in large variety and widely used in many areas such as medical treatment,

electronics, vacuum furnace and so on. It has become one of the three biggest suppliers in the

world by producing high precision thin W sheet, and its technology and quality are advanced in

http://www.c-nin.com/

http://www.c-nin.com/

http://dj.iciba.com/Chinese/

http://www.c-wmm.com/


�� !�"� #$ �www.c-wmm.com % & �� ' ( �)�*+,-��./0 �! 10 2 3 �� 4- 2 -

international market.

W & Mo Material Process Equipment

MULTIFUNCTIONAL ROLLING MILL ROLLING MILL for 550mm width

Large Grinding Machine Annealing Furnace

EDM 500KW EBCHR 2/50/500l



�� !�"� #$ �www.c-wmm.com % & �� ' ( �)�*+,-��./0 �! 10 2 3 �� 4- 3 -

Vacuum Rolling Machine Rolling Machine for foil from SIEMENS

�

�

PRODUCT

1. High Precision Tungsten Plate

We could produce the Tungsten Plate, purity599.95%, with the dimension (1.0-15.0)×L×L,

which tolerance is 60.025mm, and the surface finish could reach to 32RMS, according to

GB/T3875-2007 and ASTM B760-86. Tungsten Plate is widely used in ion implantation, ion

sputtering, coating, which technology and quality could reach to the international first level.

� �

2� High Precision Tungsten Sheet

We have the capacity to produce Tungsten Sheet, purity599.95%, with the dimension

(0.1-0.9) × 200mm × L, which thickness tolerance is60.013mm, surface finish is 32RMS, flatness

could reach to 0.025mm, according to GB/T3875-2007 7 ASTM B760-86.

High Precision Tungsten Sheet is widely used in Medical CT, electronics, vacuum equipment

and vacuum coating, which technology and quality could reach to the international first level.

Based on the high precision Tungsten sheet of Medical CT and X-ray Machine, we become one

of the three biggest producers all over the world.



�� !�"� #$ �www.c-wmm.com % & �� ' ( �)�*+,-��./0 �! 10 2 3 �� 4- 4 -

�

3� Deep-punching Mo Strip

We are able to produce Mo strip, purity 5 99.95%, with the dimension

0.15~0.5×100~150×1000~1200mm, which I.E.mm is 54.0, extensibility is 55%, and HV could be

controlled between 240 to 270.

Deep-punching Mo strip is widely used in electronic tube, semi-conductor and LCD, which

quality could reach to the domestic advanced level.

4�Foil

We have the capacity to produce Mo foil, purity599.95%, with the dimension (0.03-0.09)×110×L,

which thickness tolerance is60.004mm, according to GB3877-83 and ASTM B386-91.

Foil is widely used in lighting, vacuum coating and semi-conductor, which quality could reach to

the domestic advanced level.



�� !�"� #$ �www.c-wmm.com % & �� ' ( �)�*+,-��./0 �! 10 2 3 �� 4- 5 -

�5�Mo Alloy Material with high temperature�TZM�

We have the capacity to produce TZM rod with the diameter 10~120mm, and the plate with

the thickness50.08mm, which oxygen content 8300ppm, according to ASTM B386-91. This

material has the special characteristics of heat-resistance and anti-oxidation.

TZM is widely used in ion-implantation, heater, medical equipment and weapon industry,

which quality could reach to the domestic advanced level.

6�Detector & Collimator & Anti-scatter for Alpha Ray Shield�The elements of W & Mo for alpha ray shield are widely used in medical equipment as

detector, collimator and anti-scatter, and the security inspection equipment.

7�W & Mo Boat

We have the capability for producing evaporation boat of W & Mo with different shape and

specification, which have the special characteristic, long-life-time.

W & Mo Boat is widely used in metal evaporation, electron splash, sinter annealing in reduced



�� !�"� #$ �www.c-wmm.com % & �� ' ( �)�*+,-��./0 �! 10 2 3 �� 4- 6 -

atmosphere of vacuum coating industry, which technology could reach to the domestic advanced

level.

W Boat Mo Boat Mo Boat

rectangle

(mm)

length 50-450 50-100 50-450

width 15-200 15-200 15-200

height 10-200 10-200 10-200

Square

(mm)

Side length 50-200 50-200 50-200

height 10-200 10-200 10-200

trapezium

(mm)

Side length 1 50-200 1

Bottom length 1 20-150 1

Length 1 50-400 1

height 1 20-100 1

semicircle

(mm)

Diameter 1 φ20-100 1

Length 1 100-450 1

Hexagon

(mm)

Side Length 1 180x180 1

Length 1 16-50 1

Boat Type

(mm)

Length 1 80-150 1

Width 1 10-60 1

8�Specification

Item Product Dimension 9mm : Standard Application

1 W Plate&Sheet (0.07-20.0)×(50-450)×L GB3875-83/ASTM

B760-86 *They are widely used in

electronics, lighting, vacuum

coating, medical equipment

and electrode, heater, heater

shielding in vacuum

resistance furnace.

2 W Strip 0.1-0.4×0.2-0.8×L Q/XB1103-1999

3 W Bar&Rod (Φ3-Φ60)×L GB4187-84

4 WNiFe Plate (0.5-10.0)×450×L ASTM B777-87

5 WNiFe Rod Φ5×L ASTM B777-87



�� !�"� #$ �www.c-wmm.com % & �� ' ( �)�*+,-��./0 �! 10 2 3 �� 4- 7 -

Item Product Dimension 9mm : Standard Application

1 Mo Plate 73.0×(50×650) GB3876-83/ASTM

B386-91

They are widely used in

electronics, lighting, vacuum

coating, medical equipment,

semi-conductor, glass fiber

and electrode, heater, heater

shielding in vacuum

resistance furnace.

2 Mo Sheet (0.09-3.0)×350×L GB3876-83/ASTM

B386-91

3 Mo Foil 0.01-0.09×110×L GB3877-83/ASTM

B386-91

4 Mo Strip 0.03-0.08×2.0-6.0×L Q/XB1204-95

5 Mo Tube Φ5-Φ15×L Q/XB1202-95

6 Mo

Bar&Rod Φ3-Φ130×L

Q/XB1205-95/ASTM

B387-90

7 TZM

Bar&Rod Φ10-Φ120×L ASTM B387-90

9�Equipment Hydrogen Sintering Furnace



�� !�"� #$ �www.c-wmm.com % & �� ' ( �)�*+,-��./0 �! 10 2 3 �� 4- 8 -

Vertical High Temperature Sintering Furnace Main technical parameters ;

maximum temperature < 2500= ;Pre-vacuum <1.3Pa ;Difference in Uniform Temperature Zone <±5= >in Vacuum ?@±10= >atmosphere ? ;Temp Accuracy <±1= ;Atmosphere <dry hydrogenAwet hydrogenAnitrogen. ;Cooling Method <natural coolingAHydrogen outside the circle of fast-cooling ;Control Method <Manual control+ automated control system of process

Application: This equipment is mainly used in hydrogen sinter of powder metallurgy, sinter sealing of ceramic

metallization Amaterial non-oxidation treatment.

Components: ;furnace body>Mo Furnace & Heater ? ;Lifting Gear

;Platform

;Chassis (Mo Rack)

;pre-vacuum

chamber;quick cooling chamber

;water cooling system

;pneumatic system

;automatic system

;computer system

Parameter

Item Maximum

Temperature=

Dimension of Uniform

Temperature Zone (mm)

Nitrogen Consumption

m3/h

Hydrogen Consumption

m3/h

Charging & Discharging

Method

Maximum Batch

Kg



�� !�"� #$ �www.c-wmm.com % & �� ' ( �)�*+,-��./0 �! 10 2 3 �� 4- 9 -

1 2500 BCDDEFDD 1 G2 1 G2 50

2 2500 BFDDEHDD 1 G2 1 G2 100

3 2500 BIDDEJDD 2 G4 2 G4 150

4 2500 BHDDEKDD 2 G4 2 G4 200

5 2500 BJDDELDD 4 G6 4 G6 300

�

Vertical Intermediate Temperate Hydrogen Sintering Furnace

Parameter: ;Maximum Temperature <1100—1650" ▲Pre-vacuum <10Pa ▲Difference in Uniform

Temperature Zone <±5" >Vacuum ?@±10" >Atmosphere ?

▲Temperature Control Precision <±1" ▲Atmosphere <Hydrogen ANitrogen ▲Cooling

Method <natural coolingAHydrogen outside the circle of fast-cooling ▲Control Method <Manual

control+ automated control system of process

Application: This equipment is mainly used in ceramic metallization surface treatment of electronics industry, hydrogen sinter of powder metallurgy, material non-oxidation treatment.

Components:

▲furnace body >Mo Furnace & Heater ? ▲Lifting Gear ▲Platform▲Chassis (Mo

Rack)▲pre-vacuum chamber▲quick cooling chamber▲water cooling system▲pneumatic system▲automatic system ▲computer system

Parameter

Item

Maximum Temperatu

re=

Dimension of Uniform

Temperature Zone (mm)

Nitrogen Consumptio

n m3/h

Hydrogen Consumption

m3/h

Charging & Discharging

Method

Maximum Batch Kg

1 1100M1650 BCDDEFDD 1 G2 1 G2 50



�� !�"� #$ �www.c-wmm.com % & �� ' ( �)�*+,-��./0 �! 10 2 3 �� 4- 10 -

2 1100M1650 BFDDEHDD 1 G2 1 G2 150

3 1100M1650 BIDDENDD 2 G4 2 G4 200

4 1100M1650 BHDDEKDD 2 G4 2 G4 300

5 1100M1650 BJDDELDD 4 G6 4 G6 400

6 1100M1650 BKDDEOCDD 4 G6 4 G6 500

Plasma Welding Equipment

Introduction We could produce vacuum plasma welding equipment. The welded

electrode diameter is P100Q600mm.

The weld torch power could reach to 30KW per piece. The weld current could reach to 200-500A. The weld speed could reach to 150-200mm/min. The ionic gas

consumption is 3-8L/min. The weld line appears silver white.

Parameter: ;Welding Torch Type <Plasma Welding Torch, Argon-arc Welding Torch.

;Maximum Pressure of

the equipment <2×10-1Pa ;Work piece holder movement: Rotation, Straight line.

;Ionic Gas

or Protect Gas: Argon ;Control Method <Manual Control

Application: Plasma Welding Torch is mainly used in deep line’s plasma welding of the large work piece. Argon-arc Welding Torch is used in shallow line’s argon-arc welding of every work piece.

Lithium Metal Distillation Equipment

Parameter

Max working temperature <850=

Continuous working temperature <750=



�� !�"� #$ �www.c-wmm.com % & �� ' ( �)�*+,-��./0 �! 10 2 3 �� 4- 11 -

Feeding bucket vacuity85Q10-1Pa

Pressure rising rate81Pa/h

Distill bucket vacuity85Q10-4Pa

Pressure rising rate81Pa/h

Lithium store bucket vacuity85Q10-1Pa @Pressure Rising Rate81Pa/h

Pouring room vacuity810Pa @Pressure Rising Rate85Pa/h

Components: Charging bucket, retort vessel, Lithium store bucket, casting room, cooling water system, argon filling system, electric controlling system

Consuming Melting Furnace Introduction The electrode is melted by the electric arc with high temperature in vacuum and poured into the red copper crucible. Then the casting ingot with high quality can be made.

Main advantages < ;The consuming electrode can be weight automatically.

And the left weight can be displayed and printed at any time. ;

The lifting of electrode has auto and manual controlling

system. It also can be controlled by computer. The melting section can be controlled according to the signal

of weight. ;Coaxial power supply and power auxiliary conducting institution. ;The cooling of crucible is based on the totally closed circuit system of warm water cycle. ;Two furnace ends can share one set of power and one set of vacuum system to improve the

operating factor of the expensive power and vacuum system.



�� !�"� #$ �www.c-wmm.com % & �� ' ( �)�*+,-��./0 �! 10 2 3 �� 4- 12 -

;The auxiliary equipment such as crucible cleaning machine, crucible tipover machine, casting

ingot cleaning machine can be provided.

Parameters ;Melting style <vacuum consuming electrode

;Crucible <water cooling copper crucible

;Motion

characteristics of electrode <high speed lifting function ;Furnace room ultimate pressure <6×10-2Pa

;Electrode centering adjustment <X-Y adjustment

system ;Casting ingot weight <2 R3000Kg ;

Molten pool monitor <optical TV system ;automatic weighting system <the rest weight of the

consuming electrode can be displayed automatically and printed at any time.

Components 1. main transmission system 2.electronic weight system 3. X-Y adjustment institution 4.vacuum furnace room and moving seal 5. crucible and arc stabilization system 6. vacuum system 7. furnace room lifting and moving device 8. monitor and picture pick-up system 9. compressed air system 10. cooling water system 11.liquid pressure system 12. thyristor supply system and water cooling cable 13. Automatically melting controlling system 14. safety alarm system

Application Vacuum melting of special alloys and metals easy to be oxidized

Consumable Skull Crucible

Theory The electrode is melted by the electric arc with high

temperature in vacuum and poured into the red copper crucible, which is cooled by water. Then tip over the crucible, the metal liquid will be poured into model and changed into casting parts.

Characteristics Simple layer furnace mantle areas water cooling; Static

state and rotational casting; high speed improved by complex air cylinder, electric entrance with two directions, differential drive, high vacuum rate, local elements; product quality is stable; the main technology parameter reached the advanced level in China; max weight of the casting part is 500kg.



�� !�"� #$ �www.c-wmm.com % & �� ' ( �)�*+,-��./0 �! 10 2 3 �� 4- 13 -

Parameters ;melting style <vacuum consumable electrode

;Crucible <tipover style, water cooling, copper

crucible ;crucible volume <50-500Kg

;casting style <rotational casting

Crucible dimension P460X600mm, metal liquid volume 413kg;P550X720mm, metal liquid volume 687kg ;Ti

casting parts max weight 500kg.

Application Vacuum melting of special alloys and metals easy to be oxidized.

Max dimension of casting <When static state -P2500X1108mm, when offcenter -P2500X1108 mm

Vacuum Creep Deformation Shape-righting Furnace

Introduction

It is widely used in finishing the shape-righting of thin Ti plate and thick rolling parts, removing

the gas and heat treatment. Then it can ensure the flatness tolerance of the plates used in

aviation, commercial, national defense, etc.

Hearth is made of imported model brick and melted SiO2.

Parameters

Working temperature <650= Max temperature <800= Working vacuity <33000 R50000pa

Hearth flatness <80.015mm/m2 shape-righting pressure <P55t/m2

Components

Furnace, vacuum cooling water system, gas circuit system, heating system, electric control

system, heat preservation system

Horizontal Vacuum Annealing Furnace

Characteristics



�� !�"� #$ �www.c-wmm.com % & �� ' ( �)�*+,-��./0 �! 10 2 3 �� 4- 14 -

;Computer controlled, automatic working: industrial computer is applied to reality the dialogue

between computer and man; automatically control the feeding, vacuum, temperature rising and reduction, Argon filling, drawing out; also can be controlled by intelligent instrument. ;

economical and efficient < multilayer reflection shield technology ;save water resource: closed cycle cooling water system, forced cooling with argon filling ; safe and reliable <safety devices to avoid misoperation and accident ; quality improvement < Microvacuum annealing to improve mechanical property. Remove the

Oxygen, Hydrogen and other impurity to make the surface light.

Structural style Heat from outside and inside

Equipments composition S There are two cooling rooms and heating room. These rooms are linked. The product is put in and out from the two ends. One end is fixed, the other can be stretched freely. The main composition are heating room, heating furnace, cooling room, driving device, vacuum system, material rest, cradle, cooling water system, gas circuit system, electric control system.

Performance index: ;Batch <300 R2000Kg

;Max temperature <1000=

;Temperature control accuracy <±1= ;

Temperature uniformity <±7= ;Ultimate vacuum <3Q10-3Pa

;Lifting pressure rate <1Pa/h ;

Temperature equilibrium zone dimension <T600Q3000 R9000 @ 600Q6000Q15000 @600Q1500Q7000 mm

Range of use: Annealing for the Tube, rod, plate, foil, wire made of Ti, Cu, Stainless steel and their alloys.

Intermediate frequency induction sintering furnace

Application Sintering of Kentanium materials, Cu/W alloy, W, Mo in vacuum environment. Hydrogenation of Ta and Nb ,C/C clad, Graphitization of C materials.

Characteristics



�� !�"� #$ �www.c-wmm.com % & �� ' ( �)�*+,-��./0 �! 10 2 3 �� 4- 15 -

;Ultra high temperature (1200-2800=,according to the materials), fit for any materials. ;Intelligent temperature control system with digital display: automatic and accurate. The

temperature can be controlled by the curves set up before. 20 items and 400 sections of the curves can be stored. ;

Intrinsic cycle system of cooling water, digital display monitor system. ;High performance intermediate frequency contactor: the furnace can be switched automatically.

Main technology parameters;

Max working temperature <1200-2800=;Hi-temperature zone volume <0.04-1m3 ;

Working environment in the furnace <vacuum, Hydrogen, Nitrogen, inert gases. ;Uniform of temperature <≤±15= ;Measurement of temperature <W-Rh thermoelectric couple, infrared radiation thermometer ;Temperature control <Program and manual control

Temperature control accuracy <±1= ;Speed of temperature lifting <200-600=/minute

Equipments composition ;Intermediate frequency power

;water cooling furnace ;

Temperature control system and outer operation hood ;working terrace ;

Forvaccum system;Induction heating devices

;Electric control system

Vertical vacuum argon arc welding furnace



�� !�"� #$ �www.c-wmm.com % & �� ' ( �)�*+,-��./0 �! 10 2 3 �� 4- 16 -

Characters S It is the only one and with the max diameter in China. The welding diameter is 1.5m and the height is 2m.

Application <W wire net heat element, refractory metal materials abnormity parts.

��Heat element parts and materials�As core parts, they are widely used in vacuum resistance furnace. It has many advantages such as high thermal efficiency, good quality, long useful time.

Materials W/WAl W/WAl W W W/WAl W/WAl W W

Type helix plain round cylinder beam cage groove arc

Dimension

(mm)

80×200 250×250×400 100×

310

35×

3500 100×350

3×3

×180 R10-R300

200×450 50×500 ×1000 200×

500

200×

1000 500×600 300×1000

40×40

×500

600×1200 500×

1000

500×

1000 1400×1800

Working

Temperature 2300-2700 2300-2700 2300-2600

2300 U2600 2000-2300 2000-2300 2000-2300 2000-2300

Link 2/3 phases 2/3 phases 2/3 phases 2 phases 2 phases 2 phases 2 phases 2 phases



�� !�"� #$ �www.c-wmm.com % & �� ' ( �)�*+,-��./0 �! 10 2 3 �� 4- 17 -

W, Mo, Ta round heat element W wire net heat element

Heat Element Tungsten wire plain net heat element

W cage heat element W, Mo round heat element



�� !�"� #$ �www.c-wmm.com % & �� ' ( �)�*+,-��./0 �! 10 2 3 �� 4- 18 -

W, Mo wire heat element W, Mo strip heat element

W wire network heat element W, Mo cage heat element

11�Heat shield

W, Mo, Ta, Nb heat shield



�� !�"� #$ �www.c-wmm.com % & �� ' ( �)�*+,-��./0 �! 10 2 3 �� 4- 19 -

W, Mo heat shield W, Mo heat shield and W wire network heat element assemble

W, Mo alloy heat element and reformed heat elements

12�Crucible, Boat�

Heat insulation temperature500=R2600=

Materials Tungsten Molybdenum and alloys Tantalum

Name Crucible Crucible Crucible

Dimension

(mm)

Max

Diameter 240 600 240 600 230 250 230

Height 320 400 320 500 50 300 110

Thickness 15 5 15 5 1.5 5 2.5

Min

Diameter 60 60 60 60 60 60 60

Height 60 80 80 80 5 150 20

Thickness 6 1.5 6 1.5 0.2 1 0.5



�� !�"� #$ �www.c-wmm.com % & �� ' ( �)�*+,-��./0 �! 10 2 3 �� 4- 20 -

W, Mo, Ta, Nb Boats W, Mo, Ta, Nb Crucibles

13�Refractory metal standard parts and further processing parts

W, Mo, Ta, Ti standard parts and further processing parts Widely used in the fields of vacuum, electronic and medical machinery.

Standard Parts & Abnormity Parts



�� !�"� #$ �www.c-wmm.com % & �� ' ( �)�*+,-��./0 �! 10 2 3 �� 4- 21 -

Molybdenum Abnormity Parts Molybdenum Electrode

Titanium Cathode Roll Tungsten Abnormity Parts

Tantalum Cup (Used in X-ray Ball tube) Tungsten Mechanical Processing Parts

Tungsten Mechanical Processing Parts Titanium Jaw (Used in Textile Machinery)



�� !�"� #$ �www.c-wmm.com % & �� ' ( �)�*+,-��./0 �! 10 2 3 �� 4- 22 -

Western Metal Materials Co., Ltd. -...

Documents

Transcript of Western Metal Materials Co., Ltd. -...