Measures experimentally the inner surface corrosion rate of carbon steel pipeline during operation and suspending period respectively, and points out the deterioration degree.
通过试验对集中供暖系统在运行状态和停暖状态下主管道碳钢内表面腐蚀速率分别进行了测定，并指出了危害程度。
By using appropriate TMCP process, complex phase of acicular ferrite with different compositions could be obtained in low carbon alloy pipeline steel.
采用合适的TMCP工艺，可以在低碳合金管线钢中获得不同组成比的针状铁素体复相组织。
High quality carbon steel, low alloy steel and alloy steel seamless pipes for high pressure fertilizer equipment and pipeline.
用于高压化肥设备和管道用优质碳素钢、低合金钢和合金钢无缝钢管。
High quality carbon steel, low alloy steel and alloy steel seamless pipes for high pressure fertilizer equipment and pipeline.
用于高压化肥设备和管道用优质碳素钢、低合金钢和合金钢无缝钢管。
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