不卡视频一区二区三区,婷婷成人av,国产精品一区视频,久久夜色精品国产噜噜av小说,国产精品性夜天天视频,亚洲日产永久经典,九九国产精品入口麻豆

Main Products
steel for machine structure Products>> Main Products>> steel for machine structure
Products Grade: S20C、S35C、S45C、S48C、XGS35C、XGS45C、GS35C-A、GS35C-BT、GS45C、QS45C-C
Specifications: φ5.5~42mm
Applied Standard:  Q/XG 115
Characteristics: This kind of products is mostly used to produce hand tools, mechanical components and CD bar for manufacturing transmission, suspension, brake and steering devices of automobile, connecting rod of absorber in motorcycle and components of equipment and electric appliance.
Applications: Common partsaxostyle parts
Use of Products: This kind of products has characteristics of uniform-chemical composition, low percentage of harmful elements, high purity, slight decarburisation, good surface quality, tight tolerance etc.