OD: Cold drawn:21.72-114mm Hot rolled:114-406mm
Expanded:406-914mm
WT: Cold drawn:1.7-22.5mm Hot rolled:10-50mm
Standard: ASTM A106, ASTM A53, ASTM A179, API5L GR B,
X42,X46,X52
Hunan Ronggang Steel Industry CO,.LTD is founded on 18th March,2008,with a total investment of 120 million yuan,covering an area of 40,000 square meters and the ....
learn more