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Typical Defects of Ductile Iron Castings

13th April 2011
The following typical defects of ductile iron castings are based on the experiences of process engineers from Dandong Foundry in China. We hope these information could be helpful for other iron foundries and casting buyers. 1. abnormal and degraded nod... Read >
Author: ironfoundry

Inspection Methods to Ductile Iron Castings

05th April 2011
Normal casting defects of ductile iron include some macro-defects, such as air holes, sand inclusion, slag inclusion, shrinkage or shrinkage cavity, and some micro-defects, such as unqualified nodularity rate and too large grain size, etc. The inspecti... Read >
Author: ironfoundry

Cast Iron Price Trend and Production Costs in 2011 of China

30th March 2011
After Chinese New Year (CNY) holiday, the cast iron prices in China have been increased largely, and this change was sudden and serious, so many clients were doubted about what reasons have caused the price increasing, and what price trend will it be in 2... Read >
Author: ironfoundry

Cast Iron Shrinkage Defect

15th February 2011
The cast iron shrinkage has very large affect to the quality of iron castings. It will reduce the tensile strength and elongation, so the iron castings will be broken or penetrated at the shrinkage area. According to my working experience in Dandong Fo... Read >
Author: ironfoundry

EN-GJS-400 Ductile Iron

09th February 2011
The ductile iron grade of EN-GJS-400 is from Germany standard DIN EN 1563. It has been replaced by the standard DIN 1693, so the EN-GJS-400 has been changed into GGG40. However, according to the DIN EN 1563, this grade should include four grades as EN... Read >
Author: ironfoundry

Ductile Iron Manhole Cover

05th January 2011
Ductile iron manhole cover means the manhole covers made by ductile iron, not by gray iron. The buyers choose the ductile iron to get better tensile strength. Ductile iron manhole covers are easily to purchase in China since most of iron foundries can ... Read >
Author: ironfoundry
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