12Cr2Mo1Ф19×3mm热交换器管工艺创新与实践.pdf

12Cr2Mo1覬19 ×3 mm 热交换器管工艺创新与实践 ： doi 10.3969/j.i ssn.1006-110X.2014.01.007 12Cr2Mo1 19 ×3 mm 热交换器管工艺创新与实践覬 贺 ，赵 ，张瑞民 张 玲， 晶，王德默 旭，郭霜霜 （天津市无缝钢管厂，天津300220 ） [摘 要] 为降低生产成本，提高产品竞争力，通过合理的拉拔工艺及热处理新工艺设计，深 冷拔设备生产潜能， 减少冷拔生产工序道次，生产出12Cr2Mo1 19 ×3mm 小口径冷拔热交换器管。该项目的研发拓宽了企业生产高Cr、 Mo 含量小口径冷拔热交换器管的品种结构，降低了生产消耗，提高了产品成材率，提高了市场竞争力。 [关键词] 热交换器管；拔制；道次；热处理；力学性能 Process Innovation and Practice on the Production of 12Cr2Mo1 19 3 mm 覬 Heat Exchanger Pipe ZHA NG Ling, HE Jing, WA NG De -mo, ZHA O X u, GUO Shuang-shuang and ZHA NG Rui-min (Tianji n Seamless Steel Pipe Factory, Tianji n 300220, China) Abstract In order to lower production cost and improve product competitiveness, 12Cr2Mo1 19伊3 mm small diameter cold drawn heat exchanger pipe was produced by designing reasonable drawing process and new heat treatment process, deeply excavating the production potential of cold drawing equipment and reducing process passes at cold drawing production. The research and development of the proj ect expanded the product mix of small diameter cold drawn heat exchanger pipe containing high chromium and molybdenum, reduced production consumption, increased product rolling yield and improved market competitiveness. Key words drawing; pass; heat treatment; mechanical property 1 引言 道拔制的大胆实践，减少一道次拔制，每吨管节约 受国际金融危机的影响，近年来国内无缝钢管 加工费 元，拔制工艺为： 300 63 伊3.8 52伊3 市场供大于求，加之民营无缝钢管企业的异军突 45伊3