1. Surface quality 1). Cracks, folds, folds, scabs, and delaminations are not allowed on the inner and outer surfaces of the internal threaded seamless steel pipes for high-pressure boilers. These defects should be completely removed, and the actual wall thickness at the removal should not be less than the minimum allowable wall thickness deviation. value, […]
The use and classification of seamless steel pipes Seamless steel pipes are widely used in the manufacture of structural parts and mechanical parts, such as oil drill pipes, automobile transmission shafts, bicycle frames and steel scaffolding used in construction. The material and processing time have been widely used in the manufacture of steel pipes. A […]
The basic method of rust removal of high pressure boiler steel pipe: (1) Cleaning: Use solvents and emulsions to clean the surface of high-pressure boiler steel pipes to remove oil, grease, dust, lubricants and similar organic substances, but it cannot remove rust, oxide skin, welding flux, etc. on the surface of high-pressure boiler steel pipes. […]
Hot-dip galvanized pipe is to make the molten metal react with the iron matrix to produce an alloy layer, so that the matrix and the coating are combined. Hot-dip galvanizing is to pickle the steel pipe first. In order to remove the iron oxide on the surface of the steel pipe, after pickling, it is […]
Sino East Steel Group as a leading China steel products manufacturer specialized in production of high quality steel series products and located in Tianjin. The area of Sino East Steel Group is about 65,000 square meters with annual steel production capacity reaching to 500,000 MT. Its products’ ranges include steel pipes, tubes, steel sheet and coil, structural steel like steel profile and so on.
Whatsapp: +86 186 220 88833
Phone: +86 186 220 88833
Email: [email protected]
Fax: 86-22-28897589
Our sales team will be happy to answer your questions. We look forward to being a valued supplier and contributing to your success.
This site uses cookies. By continuing to browse the site, you are agreeing to our use of cookies.
OKLearn moreWe may request cookies to be set on your device. We use cookies to let us know when you visit our websites, how you interact with us, to enrich your user experience, and to customize your relationship with our website.
Click on the different category headings to find out more. You can also change some of your preferences. Note that blocking some types of cookies may impact your experience on our websites and the services we are able to offer.
These cookies are strictly necessary to provide you with services available through our website and to use some of its features.
Because these cookies are strictly necessary to deliver the website, you cannot refuse them without impacting how our site functions. You can block or delete them by changing your browser settings and force blocking all cookies on this website.
We also use different external services like Google Webfonts, Google Maps and external Video providers. Since these providers may collect personal data like your IP address we allow you to block them here. Please be aware that this might heavily reduce the functionality and appearance of our site. Changes will take effect once you reload the page.
Google Webfont Settings:
Google Map Settings:
Vimeo and Youtube video embeds:
You can read about our cookies and privacy settings in detail on our Privacy Policy Page.
Privacy Policy