BUREAU OF INDIAN STANDARDS

Type/Size/Grade/Variety and Brand Name for CML No.       4100100750

Date : 19-08-2025


Brand Name :

Type/Size/Grade/Variety :

Name of the product Bright Steel Bars Product Designation As per Annex-A Treatment Condition at Delivery Cold drawn (+C) Product Form Rounds Sizes Diameter from 04 mm to 83.5 mm Surface Quality Class As per Annex-A Annex-A Sr No. Grade Designation Surface Quality Class (1, 2, 3, 4) Chemical Composition Mechanical Properties (if any) 1 IS 9550 ETG100 3 C: 0.10 to 0.70 Si: 1.30Max Mn: 0.25 to 2.20 P: 0.50 Max S: 1.00 Max Cr: 1.40Max Mo : 1.00Max Hardness: 20-50HRC 2 IS 9550 ETG 88 3 C: 0.10 to 0.70 Si: 0.10 to 0.90 Mn: 1.00 to 2.30 P: 0.10 Max S:0.50 Max Hardness: 20-50HRC 3 IS 9550 HSX 110 3 C: 0.10 to 0.70 Si: 0.40 to 1.10 Mn: 1.00 to 2.30 P: 0.10 Max S:0.10 Max V: 0.50Max Hardness: 20-50HRC 4 IS 9550 ESP 65 2,3 C: 0.10 to 0.50 Si: 0.75Max Mn: 0.50 to 1.75 P: 0.10 Max S: 0.10 Max Cr: 0.50 to 1.50 Pb: 0.10 to 0.75 Hardness: 20-50HRC 5 IS 9550 ETG 25 3 C: 0.10 to 0.70 Si: 0.75 Max Mn: 1.00 to 2.00 P: 0.10 Max S:0.10 Max Hardness: 20-50HRC 6 IS 9550 HSX 130 3 C: 1.00 Max Si: 0.50 to 2.00 Mn: 0.25 to 2.20 P: 0.10 Max S: 0.05 to 0.25 Cr: 0.75 to 2.25 Mo : 0.75Max Hardness: 20-50HRC 7 IS 9550 HSX Z12 3 C: 1.00 Max Si: 0.50 to 2.00 Mn: 0.25 to 2.20 P: 0.10 Max S: 0.05 to 0.25 Cr: 0.75 to 2.25 Mo : 0.75Max Hardness: 20-50HRC 8 IS 9550 XTP 3 C: 1.00 Max Si: 2.00 Max Mn: 2.20 Max P: 0.75 Max S: 1.00 Max Cr: 1.50 Max Mo : 1.50 Max Hardness: 15-60HRC