The performance of materials that are subjected to various processing and processing capabilities. 铸造性能：指金属或合金是否适合铸造的一些工艺性能，主要包括流性能、充满铸模能力；收缩性、铸件凝固时体积收缩的能力；偏析指化学成分不均性。 Cas...

Mechanical properties are the characteristics of the metal material under the action of external force. 1、强度：材料在外力（载荷）作用下，抵抗变形和断裂的能力。材料单位面积受载荷称应力。 1, strength: material in the external force (load),...

There are many kinds of hardware products, different specifications, but hardware products in home decoration plays an irreplaceable role, choose a good hardware accessories can make a lot of decoration materials used more safe and conveni...

经过三十多年的发展，中国的五金产业已经更加成熟，并且在世界市场上也占据重要地位，目前我国很多五金产品的产量居世界第一，如打火机、拉链、扳手、钳子等，都在国外有很好的销售记录。同时，经过多年的发展，我国五金产业集群发展的特点逐渐凸显了出来。...

Why is the stretch of a stretch to be made when it needs to be stretched? This is because the multiple stretching can make the total extension coefficient and the production efficiency is greatly improved, and the product can be ensured by...

The ability to resist plastic deformation and fracture under the action of external loads is called strength. According to the nature of the external force, the main yield strength, tensile strength, compressive strength, flexural strength...