We need with 160-230 mm diameter of 1.2379 and 1.2436 steel (20 ton), please send us your offer CFR Bandar abas.Also please note:We have a certificate a bout 1.2379 (FY201211091)1- You measured in the certificate Micro segregation (ASTM E381)and Macro segregation(ASTM E45).2- for purchase, we need to evaluate these methods, so please send us method of evaluation and doing as exactly.