1. The standard: Gb/t-45# aisi-1045 din-c45 jis f¦cs45c 2. Length: 3000mm-6000mm 3. Dia: 80mm-800mm 4. Process: eaf+lf+vod+forged+heat treatment(optional) 5. Delivery condition: Hot forged +rough machined(black) Hot forged + rough machined + turned 6. Test: ultrasonic test according to sep c/c` 7. Technical data: according to the customer's requirement of chemical composition, physical Properties and mechanical testing 8. Material details will be as per agreed technical specifications Specification: 300-800mm(diameter) The length can meet demand of client, the weight is up to the diameter and the length.