چدن خاکستری از دید ironcasting. Gray iron is one of the oldest cast ferrous products. In spite of competition from newer materials and their energetic promotion, gray iron is still used for those applications where its properties have proved it to be the most suitable material available.
Nickel Sulphamate 50% Solution. محلول نیکل سولفامات 50%: WHAT IS NICKEL SULFAMATE? Nickel sulfamate is the nickel and differs from Nickel sulfate salt. Nickel Sulfamate is widely used as the main bath constituent in the electroforming industry as it produces nickel deposits with a very low internal stress. نیکل …