หล็กหล่อ (Cast iron) เป็นเหล็กชนิดห

หล็ก casting (Cast iron) is a type of steel that has a carbon steel body is more in the making of steel is brittle but easy. There is a mixture of carbon, about 2%-6% silicon, and small napon. In addition, there may be other elements that they are so beneficial to the implementation.

The complex casting (Cast iron) is a kind of carbon steel in the steel much. The steel is hard but brittle mixture of carbon is estimated at 2% -6% and the amount of silicon present is negligible. In addition, there may be other elements contaminated with applications for benefits.

หล็ many handsome (Cast iron) is a kind of steel with carbon in the steel body is that steel is hard but brittle, the ingredients. There are about 2%-6% carbon and silicon content with little. Furthermore, there may be other elements.