20cr seamless steel tube
Carbon Steel, Alloy Steel, Stainless Steel
Polished
Pipeline Transport, Oil/Gas Drilling, Machinery Industry, Chemical Industry, Mining, Construction & Decoration, Special Purpose
+/-0.05mm
18mm~416mm
0.8mm~20mm
6meters, 9meters, 12meters, Random Length
Annealed, Pickling
Bundled, Wrapped, Wooden Cased.
ASTM A213, A312, etc