Our company are the manufacture of sprial steel pipes.We can produce all kinds of sprial steel pipes,all products are comply with international standard.Please feel free to contact me for further discuss if you interest.
1.Material:Q235A, Q23b, 0Cr13, 1Cr17, 00Cr19Ni11, 1Cr18Ni9, 0Cr18Ni11Nb.
2.Standard:SY/T5037-2000, GB/T9711.1-1997, API-5L, SY/T5040-92
3.OD:68mm--3000mm