News
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DHDZ forgings Obtain ASTM Certificate
American Society for Testing and Materials, ASTM. Formerly known as the International Association for Testing Materials (IATM). The American Society for Materials and Testing (ASTM) is currently on...Read more -
The difference between casting and forging
Even the precision casting has casting defects, such as shrinkage cavity, trachoma, fractal surface, pouring hole; Forgings on the other hand. You can also drop the product on the floor, and listen...Read more -
How to choose heavy forgings?
Ring forgings is to roll the forgings into a circle, can basically control the dimensional tolerance of the product, reduce the amount of machining. However, when choosing ring forgings, we should ...Read more -
Forging quality classification
The review of forging quality problems is a very complicated and extensive work, which can be described according to the cause of defects, the responsibility of defects, and the location of defects...Read more -
The influence of die heat meter treatment technology on the economy of forgings
Heat treatment is one of the indispensable important processes in forging die manufacturing process, which plays a decisive role in die life. According to the requirements of specific forging techn...Read more -
Influence of forging material on mold life
Forgings have a far-reaching significance in our daily life, and there are also many categories and types. Some of them are called die forgings. The die forgings need to be used in the forging proc...Read more -
What are the categories of forging molds?
Forging die is a key technological equipment in the production of die forging parts. According to the deformation temperature of the forging die, the forging die can be divided into cold forging di...Read more -
20 steel – Mechanical properties – Chemical composition
Grade: 20 steel Standard: GB/T 699-1999 characteristics Intensity is a little higher than 15 steel, rarely quenching, no temper brittleness cold deformation plasticity high general for bending cale...Read more -
How to find the machining difficulty of stainless steel flange
First of all, before the selection of the drill, take a look at the stainless steel flange processing difficult is what? Find out the difficulty can be very accurate, very fast to find the use of t...Read more -
Inspection before heat treatment of die forgings
The inspection before solution heat treatment is the pre-inspection process of the finished product as specified in the forging part drawing and process card for the surface quality and external di...Read more -
Alloy Design
There are thousands of alloy steel grades and tens of thousands of specifications used internationally. The output of alloy steel accounts for about 10% of the total steel output. It is an importan...Read more -
Historical development of alloy steel forgings
Every material in the industry has a long history, but today we are mainly talking about the historical development of alloy steel forgings. From the second world war to the 1960s, alloy steel forg...Read more
