The present paper described the high strength thin wall tubesteel used for oil transferring in the exfremety cold region.
本文介绍了寒冷地区用高强度薄壁地面输油管用钢。
2
Partial production practice of high-pressure boiler tubesteel from EAF at Baosteel and the technology of inclusion control during the process are described.
介绍宝钢电炉在生产高压锅炉管方面的部分实践，阐述了整个工艺过程中对夹杂物控制技术。
3
And then the present state of the tubesteel market is analyzed using Switch model and Cartel model and an assumption of cooperation in marketing with Baoshan steel Corprration advanced.