China Manufacturer of 4" SCH 40 ASTM A106 Seamless Carbon Steel Tube

Standards: BS EN 10219, EN 10217, EN10224, ASTM A53, A106,A252 API, JIS G3444, and GB/T3091, GB/T9711
Steel Grades: S235-S355, L235-L355, P195-P460, GR. A, GR. B, X42 ~ X70, J55, STK400, STK500, SS400, Q195, Q215, Q235, and Q345,
OD: 219.1-660.4mm
WT: 5-22mm
Length: 20m maximum
Process Method: ERW
Surface Treatment: Varnished, Galvanized etc. 
Pipe Ends: Square cut or bevelled
Package: Suitable packing according to the size of the pipes.
Usage:Construction,steel structual engineering,piling etc .