乌鲁木齐35crmo合金管\大口径厚壁无缝管325*45制造工艺
35crmo合金管制造工艺---0510-88264800 88260900 13376216888
1.热轧(挤压无缝钢管):圆管坯→加热→穿孔→三辊斜轧、连轧或挤压→脱管→定径(或减径)→冷却→矫直→水压试验(或探伤)→标记→入库
2.冷拔(轧)无缝钢管:圆管坯→加热→穿孔→打头→退火→酸洗→涂油(镀铜)→多道次冷拔(冷轧)→坯管→热处理→矫直→水压试验(探伤)→标记→入库
78*4-4.5-5-6-7-8-9-10-12-14 299*8-12-20-35-50 83*4.5-6-10-12-14-16-18-20 325*8-12-14-18-22-25-45-60 89*4.5-6-10-12-14-16-18-20 355*8-10-20-25-30-40-52 95*4.5-8-10-12-14-16-20 377*8-12-16-20-24-28 102*4.5-5-7-8-10-12-14-16-18-30 402*10-15-20-25-30-35-40 108*4.5-5-7-8-10-12-14-18-20-22 406*10-20-25-28-35-40 114*4.5-5-6-7-10-12-16-18-20 428*10-12-14-16-20-25-30-35-40 121*4.5-5-6-7-8-10-12-14-16-18-20 480*10-12-14-16-18-20-25-30-40-50 127*4.5-5-6-7-8-10-12-14-16-18-20 530*10-12-14-16-18-20-30-40 133*4-5-6-8-12-15-18-20-25-30 560*10-14-16-20-25-30-40-50-60 140*6-8-10-12-14-16-18-20-22-25 600*10-14-16-20-25-30 148**6-8-10-12-14-16-18-20-30 610-10-11-18-20-25-30-45-66
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