1) Standard: GB/T11263-1998, ASTM2) Quality: Q195, Q215, Q235, Q345, ST37, SS4003) Size: 100 x 50 x 5 x 7mm to 300 x 150 x 6.5 x 9mm4) Length: maximum 12ml, normal 6ml and 12mlPacking:Standard export packing with 4-5 steel strips every bundle, or as per customers requirements producing area:China payment:T/T, L/C