... Alloy Steel Pipe low price, high quality, lots of stock, fast delivery and the best service Product program ... B60005Transmission fluid tube10#,20#,Q295,Q345,Q390300006Structural use of seamless steel tubes10#~45#,40Mn2,35Cr,35CrMo500007Hydraulic pillar ... 27SiMn20008pipes for high-pressure fertilizer equipment20G,15MnV10009Shipping use of tube320,4101000Total 200000FQM continuous rolling unit(OD60—180mm ...