Hi, This is shoaib ceo of Pan Power International (pvt) Ltd, Lahore, Pakistan. We are the distribution transformers and need 0.27 mm thick M-4 grade CRGO steel sheet. The maximum core loss of 0.89 watts kg at 1.5 Tesla at 50 Hz. Please quote C&F karachi port, Pakistan per metric tonne. Regards, Shoaib Web: .com.pk, mobile. Uk mobile