Products list Seamless steel pipe for auto mobile half axle casing used Cold-drawn heterotype seamless steel pipe Seamless steel pipe for structure used Hot-rolled seamless steel pipe for hydraulic pressure prop used Seamless steel pipe for dlamond clife core drilling used Seamless steel pipe for liquid transportation used Contact us Domestic Business: Address：1 Heping Rd Hefei Tel：0551-4401859 (Chinese) Fax：0551-4401859 ATTN:：Mr Xia Shanghua Oversea Business: Address：84 Huoshan RD Hefei,China Tel：0086-551-5154869 (Chinese & English) Fax：0086-551-5153311 E'mail:ammetals@mail.hf.ah.cn ATTN:Ms Lee Na Products center >>> More Seamless steel pipe for dlamond clife core drilling used PRODUCTS TYPE EXECUTIVE STANDARD STEEL VARIETY SPECIFICATION AND RANGE PROCESS METHOD Seamless steel pipe for dlamond clife core drilling used YB/T5052-1993 DZ40 DZ50 φ45-φ168 ×4-35 HOT-ROLLED COLD-DRAWN   　　 Copyright(C)2007 all right Reserved www.ahjcgg.com