1. The standard: Gb/t-35# aisi-1035 din-c35 jis f¦cs35c 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 Specification: 400f+520mm (diameter) The length can meet demand of client, the weight is up to the diameter and the length