Cold-drawn or cold-rolled ASTM A213 seamless boiler steel tube for petroleum cracking,high-pressure boilers
1. ASTM A213 seamless boiler steel tube
2. Standard&steel grade:ASTM A213 T2,T5,T9,T11,T12,T22,T23,T91,T92,and equivalent standard&material.
3. OD:13.2mm-127mm, W.T:2mm-12.7mm
4. Manfuacturing method:cold-rolled, cold-drawn
5. Delivery condition: Normalized+tempered
6. End finish: plain end with square cuts, bevelled ends.
7. Marking,oil-coating,black-lacquer,end plastic caps to be confirmed.
8. Standard mill packing: in bundles tied with steel strips. Tubes of the same lot No. will be packed in the same bundle.
ASTM A213 seamless boiler steel tube