... x 70 x 70, 6 / 7 / 8 / 9 / 10 x 75 x 75, 6 / 7 / 8 / 9 / 10 / 11 / 12 x 80 x 80 ... , 7 / 8 / 9 / 10 / 11 / 12 x ... 100 x ... Hot rolled square steel: 10 - 35mm2) Cold rolled bright: 10 x 10 - 40 x 40mmCertificateISO9001, Mill test CertificateBrand ...