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 : 2016-03-04 View(s) : 2030
Alloy steel pipe seamless steel pipe features much higher than usual, because the pipe inside containing Cr more, the high temperature resistant, low temperature resistant, corrosion-resistant function other than seamless steel pipe, alloy pipe, so in petroleum, chemical, electric...
Keywords : Update : 2016-03-02 View(s) : 2121
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) : 1828
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) : 2013
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...