GB/T 4171 atmospheric corrosion resisting structural steel in gas & oil plants industry use

Comments: SM490B plate is a kind of structural steel produced according to Japanese Standard JIS G3106. Min. tensile strength of SM490B plate is 490MPa. SM490B plate is mainly used in buildings, bridges, ships, rail vehicles, oil tanks, containers and other buildin

GB/T 4171 atmospheric corrosion resisting structural steel in gas &amp; oil plants industry use