免费在线看黄网址|av不卡免费看|日韩一二三四五区|国产日韩在线不卡,亚洲午夜激情网,国产自一区,啊啊啊国产

Main Products
Products Grade: 2Cr13A
Specifications: Φ5.5-16mm
Applied Standard:  agreement
Characteristics: bearing
Applications: Axial
Use of Products: 2Cr13A is martensitic stainless steel, it have good toughness and machining after annealing. Which also possess high hardness and strength after quenching. moreover, 2Cr13A have good corrosion-resistance and abrasive resistance.