2016年12月26日星期一

Flange Forging

Flange Forging at low temperature forging changes in size is very small at 700 forging oxide scale and the formation of less surface decarburization phenomenon. So as long as the deformation in the forming range of cold forging easy to get a good dimensional accuracy and surface finish, as long as the control of temperature and lubrication cooling 700 the following warm forging can also get very good accuracy. Forging deformation due to deformation and deformation resistance can be very small forging complex shape of the large forgings, to get high dimensional accuracy of forgings in the 900-1000 temperature field with hot forging processing, the other should pay attention to improving the working environment forging hot forging The die life is shorter compared to forging in other temperature domains but its freedom is large and low.

steel elbow

Carbon steel elbow forming process is the use of special elbow push machine, mandrel and heating device, in order to achieve set in the blank on the die in the pushing machine driven forward, in the movement was heated, diameter and bending Forming process. 

seamless tube

Q345A seamless tube grade, is not to do the impact. Q345B level, is the impact of 20 degrees at room temperature. Q345C level, is the impact of 0 degrees. Q345D level, is -20 degrees shock. Q345E level, is -40 degrees shock. At different impact temperatures, the values of the impact are also different. Q The yield strength is not less than 345Mp The quality grade indicates the amount of impurity elements 

2016年12月22日星期四

flanges

Using the plate directly cut out the flange mould. Then the flanges processing is volume of the inner and outer diameter and thickness of the disc, and then bolt holes and waterline processing. This produced the flange is called cutting flange, the maximum diameter of such flange is limited by the width of steel plate.

steel shot

Stock of steel shot

Recently because the coking coal prices keeping up. We had decided to increase the stock rate up to 80% so that to control the lower prices. In this way, we can keep our price competitive. We had in been steel shot for many years. The prices from us is stable and the quality is always as your expected. Your can learn more from your trial order. Hope we will be your sole supplier in the future.

Carbon steel elbow

Carbon steel elbow’s weight normally are give by factory. As a buyer how we know the weight of the elbows if the factory didn’t mention it? There have a computational formula for you. Hope it is helpful. OD means outside diameter of the elbow. T means the thickness of the elbow. R means the bending radius. The following method we can know the general weight of a elbow. Of course the best way is weight directly.

2016年12月21日星期三

Carbon steel reducer

 Carbonsteel reducer have two types: Concentric reducer and eccentric reducer. The reducer producing tech have three forms. Pressing, Hot expanding, pressing and expanding.

The reducer carbon steel material there have ASTM/ASME A234 WPBWPC etc. The stainless steel there have :ASTM/ASME A403 WP 304-304L-304H-304LN-304N ASTM/ASME A403 WP 316-316L-316H-316LN-316N-316Ti etc.  And low temperature steel ASTM WPL6.