Standurd:GB/T 3091-2001,ASTM-A53,ASTM A500; BS 1398-1985,BS 1139, BS EN 39,DIN 2440;EN 10255;EN 10219 etc 

Material:Q195,Q215,Q235,Q345,20#,A53,A500,B,X42—X80,J55,K55 etc T37-2,ST52-3 

packing: 1. in bulk 2. packed by steel strip into bundle 3. according to client

DIAMETER:159--406mm

thickness:

6-14mm

length: 6-12M