SEAMLESS STEEL PIPE
OUTSIDE.D 21.3~610mm
W.T 3~18mm
Length: 5.8m~11.8m
STANDARD :API5L API 5CT GB/T8162-1999 GB/T8163-1999 GB3087-1999 GB5310-1999
MATERIAL : API 5L.B X42/X52/X60/X70 etc.
ST37,ST44,ST52,Q345B/20#/45#/20G/16Mn/J55/K55/L80

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