Benefiting from saint - gobain pam s 150 years experiences in r d and manufacturing , the company has a capacity of 180k tons per year , providing high - end pipes from 300mm to 1000mm in diameter , which have been widely applied in the fields of water - supply and water - drain systems 公司简介：圣戈班徐州铸管有限公司是圣戈班saint - gobain集团于年在江苏省徐州市投资组建。生产销售高品质球墨铸铁管及配件，广泛用于给排水领域。
In order to avoid eutectic carbide , improve nodularity , increase nodule count and increase mechanical properties , three times of inoculations were adopted in the centrifugally cast nodular iron pipes production : a ) inoculation in ladle ; 2 ) pouring stream inoculation ; 3 ) in - mold inoculation 摘要在离心铸造球墨铸铁管生产中，为防止共晶渗碳体析出，改善球化，增加石墨球数，提高力学性能，采用了三次孕育： ( 1 )包内孕育； ( 2 )浇注时随流孕育； ( 3 )型内孕育。
With the expansion of saint - gobain investment in china , we are building and will put into operation a blast furnace production line in 2007 . this production line will integrate the current production lines of ductile iron pipe and fittings , so as to increase our capacity to 200k tons yearly . we warmly welcome you to join us 随着圣戈班集团在华投资不断扩大，圣戈班管道系统公司已开工并将于2007年4月建成一条专供球墨铸铁管用中型冶炼高炉系统，与公司现有球墨铸铁管，管件生产工艺配套，形成年产20万吨球墨铸铁管，管件短流程生产线。
Saint - gobain canalisation , the pipe network branch of the saint - gobain group , is the worlds leading manufacturer and exporter of ductile iron pipeline systems . saint - gobain canalisation manufactures 1 . 7 million tons of ductile iron pipes , laid 15 , 000km of pamtm pipeslines worldwide every year . more than 115 countries , 1000 cities round the world , approximately 100 of which are capitals , are equiped with saint - gobain pamtm pipeline systems which include pipes , fittings , valves , fire hydrants etc 圣戈班穆松桥在全球拥有20多家分公司，年产球墨铸铁管170多万吨，每年向用户交付15000多公里长的管道系统，其生产的球墨铸铁管管件阀门消防栓雨污水排放球墨铸铁管道等产品均处于世界领先地位，并在115个国家的100多个首都以及1000多个城市广泛运用。
Abstract : in this paper ， the essential chemical composition on the spheroidized quality of small - sized ductile iron pipes have been investigated ， and the degeneration of spheroidal graphite in ductile iron pipe was analyzed ， under practical manufacturing condition . and more ， some improved measures in regard to composition and process parameters have been brought forward 文摘:在实际生产的条件下，研究了小口径球墨铸铁管在球化后主要化学成分的分布和变化对铸态球化效果的影响，并对铸管存在的球化衰退进行了分析；根据试验结果，提出了对成分及工艺条件进一步的改进措施。
