Chemical Propeties: N C H Fe O Al V Pa Mo Ni Ti Gr1 0.03 0.08 0.015 0.20 0.18 / / / / / Balance Gr2 0.03 0.08 0.015 0.30 0.25 / / / / / Balance Gr5 0.05 0.08 0.015 0.40 0.20 5.5~6.75 3.5~4.5 / / / Balance Gr7 0.03 0.08 0.015 0.30 0.25 / / 0.12~0.25 / / Balance Gr9 0.03 0.08 0.015 0.25 0.15 2.5~3.5 2.0~3.0 / / / Balance Gr12 0.03 0.08 0.015 0.30 0.25 / / / 0.2~0.4 0/.6~0.9 Balance Applications: 1.)Electron industry 2.)Chemical industry, Petrochemical industry 3.) horologium, eyeglasses, jewelry 4. )Sports equipments, golf 5.) mechanical equipment, precision machining 6) Environmental protection equipments , electroplating,, diaphragm, etc. Minimum Order: Comply with customer's demand. (If the quantity is less than our MOQ, we may recommend you the similar dimension in stock. ) Packaging: Ply wooden cases or In accordance with customers requirement. If you have interests in our products, please don't hesitate to contact us!