SS13 tungsten steel SS13 spot

Tungsten steel in stock
Shanghai Lijia Material/Material Name Price Usage Chemical Composition Round Bar and Plate
Shanghai Lijia Round Bar/Round Bar in Stock Round Bar Diameter Raw Round Turning Polished Round Forging Round Polished Round Rolling, etc.
Shanghai Lijia plate/plate material, spot plate thickness, rolled plate, forged plate, plate forging, etc.
Shanghai Lijia manufacturer/name of origin, import/Baosteel/Anyang Iron and Steel Shougang/Hangzhou Steel
Free sample (free sample for first time payment) Samples will be returned for the second purchase)
●[Corporate Contact]
The company has ready inventory all year round and flexible payment methods. People from all walks of life are welcome to visit and give guidance!
Contact person Tang Yuanhua mobile phone
Telephone and fax
Corporate email@business
Corporate address No. Henggang Road, Songjiang District, Shanghai
●[Product Introduction]
Gao Nai Special tungsten steel for wear Tungsten steel grade usage performance purpose density tensile strength
Grade
Tungsten carbide particle diameter
Cobalt content
Density/
Hardness
Hardness
Bending strength
Our company has tungsten steel sales lines in the following regions
Jiaxing, Dongying, Beijing, Shanghai, Hangzhou, Nanning, Jiaxing, Huai'an, Kaohsiung, Jilin, Jilin
Jiujiang, Taichung, Chengdu, Wuhan, Hot Nantong Jiangmen City Huainan City Guangzhou Deyang Jilin
Nanchang Rizhao Chengdu Tianjin Beijing Nanyang City Jiangsu Huangshan Guilin Guangzhou Kunming Tonghua
Nantong Yangzhou Chengdu Wuhan Beijing Ningbo Jiaozuo City Huizhou Guiyang Lanzhou Siping
Xiamen Quanzhou Ordoskha Nanjing Ningbo Jinzhou Huizhou City Nanyang Lanzhou Changchun
Shaoxing Jiangmen Fuzhou Changsha Benxi City Ningbo Jiujiang Wuhu City Yinchuan Lanzhou City Shanxi
Taipei Nanjing Kaohsiung Zhanjiang Binzhou Ningbo City Kashgar Wuhan Xianyang Leshan Changzhi
Taipei Suzhou Guiyang Haikou Cangzhou Ningbo City Kaifeng City Wuhan Jiujiang Lianyungang City Jincheng
Taipei Wuxi Guilin Huai'an Changzhou Qitaihe City Kela Wuhan City Shenzhen Liaoning Taiyuan
Taizhou Taizhou Hangzhou Dalian Changzhou City Qiqihar Kunming Xi'an Weifang Liaoyang City Yuncheng
Lijia introduces the four basic stages of the sintering process of tungsten steel
The removal of the forming agent and the pre-sintering stage. At this stage, the sintered body undergoes the following changes
The removal of the forming agent and the initial stage of sintering increase the forming agent as the temperature increases. Gradually decompose or vaporize and eliminate the sintered body. At the same time, the molding agent adds more or less carbon to the sintered body. The amount of carbonization will change with the type and quantity of the molding agent and the sintering process.
The oxides on the powder surface are reduced. Hydrogen can reduce the oxides of cobalt and tungsten at the sintering temperature. If the carbon-oxygen reaction is not strong during vacuum removal of the molding agent and sintering. The contact stress between the powder particles is gradually eliminated, and the bonded metal powder begins to recover and recrystallization surface diffusion begins to occur. The strength of the compact is improved.
Solid phase sintering stage (°C eutectic temperature)
At the temperature before the emergence of the liquid phase, in addition to continuing the process that occurred in the previous stage, the solid phase reaction and diffusion are intensified, plastic flow is enhanced, and the sintered body appears obviously of contraction.
Liquid phase sintering stage (eutectic temperature sintering temperature)
When the sintered body appears in the liquid phase, the shrinkage is quickly completed, followed by crystallization transformation to form the basic structure and structure of the alloy.
Cooling stage (sintering temperature room temperature)
At this stage, the structure and phase composition of tungsten steel will undergo certain changes with different cooling conditions. This feature can be used to heat treat tungsten steel to improve its physical properties. Mechanical behavior.
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Source: Shanghai Lijia Special Steel Co., Ltd.