... GL, DNV, RIVA, NK, CCS and KR.Main Application:Used in manufacturing shiphull, maritime oil extraction drilling platform, platform tube junction ... detection of defects, Hardness and DWTT test for pipelines steel plates are also available. Steel plate with through-thickness characteristicsOffer various ... grades from Z15 to Z35 lamellar tearing resistant steel plates. Wugang Steel plate for shipbuilding ...