Inquiry (采购产品): ductil iron pipe mould Dear Sir : Your company’s name has been given us by the China embassy, we know that your company produce Centrifugally Cast Ductile Iron Pipes. So we wish to cooperation with you company to establishing trade relations. HENAN ZHONGYUAN SPECIAL STEEL GROUP CO.,LTD. is one of the key special steel producer of centrifugal spherical cast iron tube moulds in China. We began to produce moulds for ductile iron pipe since 1998 according Q/PCA.J02.07-2003 specification. The material is DIN 21CrMo10. Steel-making adopts basic electric arc furnaces (including LF and Vacuum Degassing).The size is: DN50mm-600mm for cold mould and DN50mm-600mm for hot mould,3-6 meters in length . Centrifugal spherical iron tube casting mould is specially used in casting of centrifugal iron tubing .It is of all inseparable construction due to the application of latest deephole boring technology resulting in its performance equivalent to that of the kinds introduces from US and Germany. The moulds for ductile iron pipe have been supplied to Xinxing Iron Pipe Group, Longkou Iron Pip Inc. Australia, France, Germany,Turkey, Taiwan, India, Malaysia, Indonesia, etc. of almost all the local iron pipe Plants and exported to market since 2000.They are highly appraised by the quality and delivery, etc. As follows the chemical composition and mechanical property: A. CHEMICAL ANALYSIS:(DIN 21CrMo10) C: 0.18-0.23% Si: 0.20-0.40% Mn: 0.20-0.40% Cr: 2.30-2.60% Mo: 0.35-0.45% P: 0.009 MAX % S: 0.008 MAX % Ni: 0.2% MAX Cu: 0.2% MAX H ≤ 3 PPM N ≤ 90 PPM B. MICRO STRUCTURE: Fully tempered martensite or lower bainite C. MECHANICAL PROPERTIES: Hardness: 240-280 HB Tensile strength: 750-850 N/MM2 Yield stress: 650-750 N/MM2 Elongation: 18-25% Impact at 20 0 C : 180-240J We will appreciate you if you can deliver this E-mail to the seemly principal. If you are interested in the production of us that we will send our catalog to you . We look forward to you early reply. Your sincerely Deng Jianxiu **** Hidden Message ***** deng jianxiu 454685 Company: HENAN ZHONGYUAN SPECIAL STEEL GROUP CO.,LTD. E-mail: dengjianxiu@126.com **** Hidden Message ***** dengjianxiu@126.com