...锈钢、碳钢、低合金钢管、管件，法兰以及各种阀门， Malleable iron pipe fittings ( 玛钢管件 ) ,Ductile iron pipe（球墨铸管），钢板、圆钢，以及各种五金产品。
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球墨铸铁管 Ductile Cast Iron Pipes ; ductile iron pipe ; nodular cast-iron pipe ; Ductile
球墨铸铁管件 Ductile iron pipe fittings
离心铸造球墨铸铁管 Centrifugal casting ductile iron pipe
球墨铸铁管道 ductile cast iron pipeline
球墨铸铁管和配件 Ductile iron pipes and fittings
连续铸造球墨铸铁管 Continuous casting ductile iron pipes
球墨铸铁管的厚度设计 Thickness Design of Ductile-Iron Pipe
球墨铸铁管接头 nodular iron adapter
铸态球墨铸铁管 unannealed nodular cast iron pipe
煤气压力的稳定性是保证球墨铸管退火质量的关键。
The stability of gas pressure is crucial to assure the quality of ductile cast iron pipes.
结果表明：用冶炼高钛渣的副产半钢生产球墨铸管在工艺上是可行的。
As a result, it is feasible that making of ductile iron pipe use of semi-steel.
本实用新型涉及球墨铸管企业生产用的辅助配件，特别指一种支承铸管转动的新型托轮。
The utility model relates to an auxiliary accessory used for production of a ductile pipe casing enterprise, in particular to a novel supporting wheel for supporting a cast pipe to rotate.
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