显示标签为“TZM plate”的博文。显示所有博文
显示标签为“TZM plate”的博文。显示所有博文

2022年1月20日星期四

TZM Plate or TZM Sheet for Structural Furnace Components

Metal sheet/plate is a thin sheet/plate made from different materials of tungsten, tungsten alloys, molybdenum and molybdenum alloys. The sheet could be formed by hot rolling procedures and is polished further with different finishes depending on the applications.

TZM has several valuable properties such as high strength, creep resistance, hardness and low vapor pressure in high temperature environments. Sheets/plates made of TZM alloy thus have low expansion coefficient, excellent heat and corrosion resistance and good machinability.

TZM plate image

Compared with pure molybdenum plate, TZM plate has more stable crystal structure and higher recrystallization temperature. This is due to the doping of small amounts of zirconium and titanium into the molybdenum matrix. In addition, the composite carbides Mo2C, TiC, and ZrC with extremely fine sizes refine and suppress the grains of molybdenum, thereby contributing to the easier welding and creep resistance of TZM than pure molybdenum.

High temperature TZM plate is a popular molybdenum-based alloy used in structural furnace components such as shielding and support components because of its high creep resistance. In addition, TZM molybdenum plates are ideal for making high temperature, high strength TZM molybdenum forging dies for isothermal forging, ferrous and non-ferrous metal castings and molybdenum TZM perforated plugs. Additionally, TZM sheets are an excellent choice for high recrystallisation and solderable temperature materials used to produce parts for aerospace applications.

TZM sheet image

Chinatungsten Online/CTIA GROUP is a leading TZM sheet supplier, which can supply various types of molybdenum, TZM and lanthanide molybdenum plates that meet consistently high standards of flatness, roughness and machinability. We are also able to provide fast lead times and handle large volumes of contracts.

At the same time, we produce a wide range of molybdenum and molybdenum alloy products using powder metallurgy (PM) method. The availability of products from this process gives users many options in selecting a material to satisfy their specific application requirements.

If you have any inquiry of TZM plate, please feel free to contact us:
Email: sales@chinatungsten.com/sales@xiamentungsten.com
Tel.: +86 592 5129696/+86 592 5129595
Fax: +86 592 5129797

Scan QR code of Chinatungsten Wechat platform to follow up the daily latest price and market of tungsten, molybdenum and rare earth.

2021年11月4日星期四

What Do You Know About the Disadvantages of TZM Plate or Sheet?

TZM alloy is an attractive molybdenum-based alloy (0.4-0.54% Ti, 0.06-0.12 %Zr, 0.01-0.04% C, balance Mo) utilized in industries with high strength, high temperature and vacuum requirements, including aerospace, electronics and heat treatment. TZM alloy plate can perfectly server these areas when the working temperature ranges from 700 ℃ to 1400 ℃。

Compared with pure molybdenum plate, TZM plate has a more stable crystal structure and a higher recrystallization temperature. This is due to the small amount of zirconium and titanium doped in the molybdenum substrate. In addition, the extremely fine-sized composite carbides Mo2C, TiC and ZrC refine and suppress the molybdenum grains, so that alloy plate has better weldability and creep resistance than the pure molybdenum plate.

TZM plate image

However, there are still many disadvantages for this material. 

1. Oxidation. Although the material can be used in the temperature above 2000℃,the premise is that its working environment is vacuumed or under the protection of nitrogen, cracked ammonia or other atmosphere. Molybdenum alloy plates will start to oxide at about 400 ℃ and become to fast at about 700 ℃. If they work at above 2000 ℃, they will oxide immediately. 

2, Welding. Molybdenum or tungsten products can be welded, but require certain equipment and technology. Normally, the technology includes cooling welding and vacuum welding with pointed welding wire. Silver, stainless steel or structural alloy steel can not be the material of wire. It must be with very high melting point and strength, such as TZM. 

TZM sheet image

3, Form. The form of TZM alloy products is limited as they can not be bent even with small angles. If a product requires to be bent into certain shapes, it should be through riveting or welding together two parts. 

Apart with plates, TZM mill products available from either process include forging billets, bar, rod, sheet and foil. All forms in basically the same size range as pure molybdenum with the exception of thin foil. 

If you have any inquiry of TZM plate, please feel free to contact us:
Tel.: +86 592 5129696/+86 592 5129595
Fax: +86 592 5129797

Scan QR code of Chinatungsten Wechat platform to follow up the daily latest price and market of tungsten, molybdenum and rare earth.