Thick-walled seamless identification method

September 12th, 2017|

1.shoddy walled seamless steel pipe prone to folding. 2.Thick-walled seamless look shoddy often pitting phenomenon. 3.shoddy thick-walled seamless surface is easy to produce scarring. 4.The shoddy material surface is easy to produce cracks because its [...]

ASTM A53 A106 API5L Gr.B 30 inch seamless steel pipe

September 6th, 2017|

Datang Steel Pipe CO., LTD hopes we can develop both friendship and business relations, by our joint effort, on the basis of equality and mutual benefit, we dare say that we will be one of your best supplier in China and you will surely have a good market by selling our products. We are looking forward to your newest Inquiry; we will offer you our best price with our best service.