无标题文�?/title> <style type="text/css">  </style></head> <body class="twoColElsLtHdr"> <div id="container"> <div id="header"> <h1><span class="STYLE1">Sichuan kangnaite Grinding Tools Manufacturing Limited Company</span></h1> </div> <div id="sidebar1"> <h3 class="STYLE2"><a href="index.html">Home</a></h3> <p class="STYLE2"><a href="about us.html">About us </a></p> <p class="STYLE2"><a href="products.html">Products</a></p> <p class="STYLE3"><a href="valve balls and seats1.html">Valve Balls & Seats</a></p> <p align="left" class="STYLE3"><a href="electrical submersible pump.html">Electrical Submersible Pump</a></p> <p class="STYLE2"><a href="contact.html">Contact</a></p> <p class="STYLE2"><a href="order.html">Order</a></p> <h3> </h3> </div> <div id="mainContent"> <p align="left"><strong>Cobalt Alloy Grade Specifications</strong> 2</p> <table border="0" cellspacing="0" cellpadding="0" width="100%"> <tr> <td width="200"><p align="left"> Ball Specifications</p></td> </tr> <tr> <td><table border="0" cellpadding="0" width="100%"> <tr> <td><p align="left"><strong>Material:</strong> </p></td> <td colspan="2"><p align="left">Stellite® #20</p></td> </tr> <tr> <td><p align="left"><strong>Hardness:</strong> </p></td> <td colspan="2"><p align="left">53 - 60 HRC</p></td> </tr> <tr> <td><p align="left"><strong>Density:</strong> </p></td> <td colspan="2"><p align="left">8.7gms /cc</p></td> </tr> <tr> <td colspan="3"><p align="left"><strong>Chemical Composition:</strong> </p></td> </tr> <tr> <td colspan="3"><table border="0" cellspacing="5" cellpadding="0" width="100%"> <tr> <td nowrap="nowrap"><p align="left">WC - 16.0 --- 19.0%</p></td> <td><p align="left"> </p></td> <td><p align="left">Cr - 31.0 ---34.0%</p></td> </tr> <tr> <td><p align="left">C - 2.2 --- 2.7%</p></td> <td><p align="left"> </p></td> <td><p align="left">Mn - 1.0% MAX</p></td> </tr> <tr> <td><p align="left">Fe - 3.0% MAX</p></td> <td><p align="left"> </p></td> <td><p align="left">Si - 1.0% MAX</p></td> </tr> <tr> <td><p align="left">Ni - 2.5% MAX</p></td> <td><p align="left"> </p></td> <td><p align="left">Co - BALANCE</p></td> </tr> </table></td> </tr> <tr> <td colspan="2"><p align="left"><strong>Remarks:</strong> </p></td> <td><p align="left"> </p></td> </tr> <tr> <td colspan="3"><p align="left">Highly resistant to corrosion and abrasion, non magnetic. Recommended for hard pumping, corrosive and abrasive well conditions.</p></td> </tr> </table></td> </tr> </table> <table border="0" cellspacing="0" cellpadding="0" width="100%"> <tr> <td width="200"><p align="left"> </p> <p align="left">Seat Specifications</p></td> </tr> <tr> <td><table border="0" cellpadding="0" width="100%"> <tr> <td><p align="left"><strong>Material:</strong> </p></td> <td colspan="2"><p align="left">Stellite® #3</p></td> </tr> <tr> <td><p align="left"><strong>Hardness:</strong> </p></td> <td colspan="2"><p align="left">51 �?57HRC</p></td> </tr> <tr> <td><p align="left"><strong>Density:</strong> </p></td> <td colspan="2"><p align="left">8.6gms /cc</p></td> </tr> <tr> <td colspan="3"><p align="left"><strong>Chemical Composition:</strong> </p></td> </tr> <tr> <td colspan="3"><table border="0" cellspacing="5" cellpadding="0" width="100%"> <tr> <td nowrap="nowrap"><p align="left">WC - 11.0 --- 14.0%</p></td> <td><p align="left"> </p></td> <td nowrap="nowrap"><p align="left">Cr - 29.0 --- 33.0%</p></td> </tr> <tr> <td><p align="left">C - 2.0 --- 2.6%</p></td> <td><p align="left"> </p></td> <td><p align="left">Mn - 1.0% MAX</p></td> </tr> <tr> <td><p align="left">Fe - 3.0% MAX</p></td> <td><p align="left"> </p></td> <td><p align="left">Si - 1.0% MAX</p></td> </tr> <tr> <td><p align="left">Ni - 3.0% MAX</p></td> <td><p align="left"> </p></td> <td><p align="left">Co - BALANCE</p></td> </tr> </table></td> </tr> <tr> <td colspan="2"><p align="left"><strong>Remarks:</strong> </p></td> <td><p align="left"> </p></td> </tr> <tr> <td colspan="3"><p align="left">Highly resistant to corrosion and abrasion, non magnetic. Recommended for hard pumping, corrosive and abrasive well conditions.</p></td> </tr> </table></td> </tr> </table> <p align="center"><a href="valve balls and seats2.html">return,</a><a href="valve balls and seats4.html">continue </a>  </p> </div> <div align="center">  Fax:028-84645639 E-mail: scknt@263.net </div> <div id="footer"></div> </div> </body> </html>