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Introduction of non-standard flanges
Non-standard flange is a kind of flange relative to the national standard or some foreign standards. Because the standard flange can not meet the requirements of use in some special occasions, it i...Read more -
Three elements of heat treatment for forgings
1. Size effect: The mechanical properties of forged steel vary with its shape and size. Generally, the larger the size, the shallower the quenching depth and the lower the mechanical properties of ...Read more -
What are the main disadvantages of water as a quenching cooling medium for forgings?
1) in the austenite isothermal transformation map of the typical area, that is, about 500-600℃, water in the steam film stage, cooling speed is not fast enough, often cause uneven forging cooling a...Read more -
Flat – welded flanges and butt-welded flanges
The difference in structure between neck flat welding flanges and neck butt welding flanges lies in the different connection modes of the nooks and flanges. Neck flat welding flanges are generally ...Read more -
What are the causes of flange leakage?
The reasons for flange leakage are as follows: 1. Deflection, refers to the pipe and flange are not vertical, different center, flange surface is not parallel. When the internal medium pressure exc...Read more -
How is the sealing effect of the flange
Carbon steel flange, namely the body material is carbon steel flange or end flange connector. Which contains carbon steel flange, known as carbon steel flange. Common material is cast carbon steel ...Read more -
Frequent problems in stainless steel flange processing
The processing of stainless steel flange needs to understand and pay attention to the following problems: 1, weld defects: stainless steel flange weld defects are more serious, if it is to use manu...Read more -
China Flange Forgings Export Base (Shanxi Dingxiang)
China Flange Forgings Export Base (Shanxi Dingxiang)Read more -
What are the grade requirements for butt-welded flanges
Butt-welding flange is the pipe diameter and wall thickness of the interface end are the same as the pipe to be welded, and the two pipes are welded as well. Butt-welding flange connection is easy ...Read more -
DHDZ:What are the annealing processes for forgings?
The annealing process of forgings can be divided into complete annealing, incomplete annealing, spheroidizing annealing, diffusion annealing (homogenizing annealing), isothermal annealing, de-stres...Read more -
The eight major properties of forging
Forgings are generally forged after forging, cutting, heat treatment and other procedures. In order to ensure the manufacturing quality of the die and reduce the production cost, the material shoul...Read more -
How many heating methods do you know about forgings before forging?
Preforging heating is an important link in the whole forging process, which has a direct influence on improving forging productivity, ensuring forging quality and reducing energy consumption. The p...Read more
