electrical resistance welding (ERW)
- application: oil, gas and water pipelines, oil and water well casing, chilled water, fire fighting, construction applications.
- color: black
- material: welded steel
- inlet thread type: threaded joint or welding
- certification: astm 500 _ en-10219, api 5l _ api 5ct _ astm a53, astma53 _ ul6 _ bs 4568 , astm a252 _ 01 samss 333 class b, bsc _ en-10255 _ bs 1139, saso 1011 shell dep 31.40.20.37, bs 1387 l, m _ sbs _ en39, iso 3183 _ 01-samss 333 class c, ansi c80.1 _saso 1011 _api 5l, bs 1387 h _ shell dep 31.40.20.35
- ماسورة حديد اسود كاربون ستيل