Threeway Steel Co., Ltd
E-mail: sales@srtsteelpipe.com
Address: 22nd Floor, Royal Wing Tower, Long Champ International Building, No.9 Xiangfu Road, Changsha, Hunan, China, PC: 410116Phone:0086-731-8873-9521
Keywords : Update : 2016-03-02 View(s) : 2083
Black pipe, a form of steel pipe, was widely used in homes built before the 1960s. It has since been largely replaced with PVC or copper pipe. However, some still use black pipe for applications such as gas lines because of its durability. The black appearance is caused by a black oxide scale th...
Keywords : Update : 2016-03-03 View(s) : 1804
Large-diameter seamless steel after hot rolling or forging a special heat treatment and no further direct delivery After cooling, the state is called hot rolling or forging, hot-rolled (wrought) termination temperature is generally 800 ~ 900 ℃, After the general natural cooling in air, so hot ro...
Keywords : Update : 2016-02-29 View(s) : 1983
Features of Hollow Section When Roll Forming 1) The advantage of cold-formed is small rebound, forming accurate, and as long as the roller type accurately, inside corner molding R more accurate. The advantage is that it can be cold-formed side bent when you can not be...
Keywords : Update : 2016-02-23 View(s) : 239
Large seamless pipe forming techniques mainly include: hot spinning method, heat extrusion method, hot piercing rolling method, including preparation of expanding method. The details are as follows: hot spinning method,It is the flat blank or pre molded blank is fixed to the rotating core rod, the...
Keywords : Update : 2016-02-22 View(s) : 1964
The 2015 HR Starry Night - The Best HRM Enterprise Awards Ceremony" was held recently in Shanghai by 51job. Through the strict selection, Shinestar Group Holdings Co....