... +VD.Ultra-sonic test: as per SEP 1921 Group III C/c,D/d,E/e,As forged condition straightness: ≤4mm ... 0/+8mm; RT diameter tolerance:-0/+3 mmGrain size: as per ASTM E112-96 Grade 5 or finer for ... normalized/annealed/QT conditionNon-metal inclusion: as per ASTM E45 A/B/C/D heavy ≤2, thin ≤2.5 ... 4mm to 500mmLength12m,11.8m,6m,5.8m,4m or as your requirementTolerancea) Diameter: +/-0. 15mmb) Length:+/-4. 5mm ...