沧州市永正管业有限公司的主要产品有: 1.一般用途无缝钢管astma53gr.b,钢号:sa53b,规格:1/4″-28″,13.7-711.2mm 2.高温作业用无缝钢管astma106gr.b,钢号:sa106b,规格:1/4″-28″,13.7-711.2mm 3.管线管apispec5l,钢号:b、x42、x46、x52,规格:1/4″-28″,13.7-711.2mm 4.astma106/a53/api5lgr.b,钢号:b,规格:1/4″-28″,13.7-711.2mm 5.热交换器和冷凝器用无缝低碳钢管astma179,规格:3/4″、1″ 6.-40℃-101℃低温作业用无缝钢管astma333,钢号:gr.a,gr.1,gr.6,gr.7,gr.3,规格:1/4″-28″,13.7-711.2mm 7.德标din2448/1629无缝钢管,钢号:st37,st44,st52,规格:1/4″-28″,13.7-711.2mm 8.耐热钢无缝钢管(热强管)din17175-1979,钢号:碳素结构钢st35.8-st45.8/i,st35.8-st45
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