ZHOUSHAN OSD MACHINERY CO.,LTD. | ||
Address | NO.22 XINGONG ROAD, JINTANG TOWN, ZHOUSHAN, ZHEJIANG, CHINA | |
Contact | Ms Jessie Chan | |
Telephone/Fax | +86-580-8053003,8052186 | |
Whatsapp/ Wechat | +86-198 2280 7019 / osdscrews | |
Email | sales3@oushengda.com | |
Website | www.oushengda.com |
Technical data of screw &cylinder | ||||||||
Base Material | 38CrMoAlA | |||||||
Heat treatment | Nitriding + Hardening & Tempering | |||||||
Nitriding hardness | HV900~1050 | |||||||
Nitriding thickness | 0.5~0.8mm | |||||||
Surface roughness | Ra0.4 | |||||||
Liner straightness | 0.015mm | |||||||
Technical data of alloy | ||||||||
Bimetallic hardness | HRC58-68 | |||||||
Bimetallic thickness for screw | 1.0-3.0mm | |||||||
Type of alloy | ||||||||
Stellite | Wear resistance | ★★★ | ||||||
Colmonoy 6 PTA | ||||||||
Colmonoy 56 PTA | ||||||||
Tungsten carbide | Wear resistance | ★★★★ |