Steel Products
Products & Size Range — Process — Steel Grades
Annual steel ingots, blooms and bars production capacity 140 000 metric tonnes - 154 000 US tons.
| Cast Blooms- Octagons
Squares | 308mm across corners *(67069 mm sq.)
262 mm across corners *(48531 mm sq.)
232 mm across corners *(38054 mm sq.)
*(Cross-sectional Area)
150 mm | | Ingots | 3mt (Sqr:Bottom428mmXTop466mm)
6mt (Ribbed:Bottom700mmXTop810mm,nominal dia)
9mt (Ribbed:Bottom812mmXTop990mm,nominal dia) each | | Rolled Rounds | 36 mm to 160 mm dia.
Higher sizes can be supplied forged, with special arrangements at open die forging vendors. | | RCS/Squares | 60mm to 300 mm sq. |
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Steel bars can be supplied to mill length 3 to 6 mtrs with 15% shorts down to 1 mtr or to specific lengths with extras.
Steel Making Process: 1. CC Bloom Caster 21 X 10.5mtr radius with Liquid metal stream shrouding, AMLC, Mould-cum-strand EMS
2. Ingot moulds (Bottom poured) teemed uphill in wide end up, again with inert gas stream shrouding.
The As Cast Heat size is 25 mt (from VOD); 30mt (from VD); 35 mt (from LF/EAF). Steel Grades: SAE 52100, 8219, 4319, DIN 100Cr 6, JIS SUJ 1/2/3, etc. Alloy Constructional Steels: Case Carburising: SAE 8620/4320/8219, DIN 17CrNiMo6, 20MnCr5, BS 820H17, JIS SCM 415, etc. Nitriding: BS 905M39(En 41B), JIS SACM 645, etc Thru' Hardening: SAE 4340/4140/4130/1541, BS 709M40/817M40, DIN 42CrMo4, JIS SCM 435, etc. Stainless Steels: All Austenitic, Ferritic, Martensitic, Precipitation Hardening, etc. Tool and Die Steels: Hot Die: DIN 1.2714, ASTM H 13/H 11, etc Plastic Mould: P 20, DIN 1.2344, etc. All Carbon Constructional Grades, Semi free cutting Grades, Boron- Steels, Spring and Valve steels, etc. Note: All other grades and sizes can be developed wherever economically feasible please refer with details.
Tubular Products:
Standards — Size Range:
Annual tube production capacity: 50 000 metric tonnes - 55 000 US tons.
and sizes can be developed wherever economically feasible please refer with details. 
| Shape: Round (Intricate shaped symmetrical extruded sections can be explored)
| | Material: All Grades of Carbon, low alloy steel, Stainless steels, Ball bearing steels, etc . | Process:
Hot working: Seamless Hot Extrusion (2500 T Vertical Press) and Stretch Reduction Mill (18 Strand SRM) | | Cold working: 5 1/2", 3 1/2", 2 1/2" x 1 each and 2X1 1/2" cold pilgers; 7XTube draw benches; OD&ID Peeling M/cs available at RMGL and its Group-sister concern put together. |
Tube Standards: Tube standard details -as per applications are available for the following industries: Oil & Gas Sector, Automotives, Hdrocarbon & processing, Bearing, Boiler, Heat exchanger, superheater & Condenser, Hydraulic cylinder, Railways an Mechanical, Structural & General Engineering industries. Tubes can be supplied to mill length 4 to 7 mtrs (upto 14 mtrs max) or to specific lengths with extras. Supply Conditions:
As rolled, Peeled, Cold pilgered/drawn, Annealed / Normalised / Spherodized-annealed, etc.
Size Range:
Hot Finish Tubes — Cold Finish Tubes — Hot Extruded SS tube — Cold Finish SS Tubes
| Hot Finish Tubes | Min | Max | Cold Finish Tubes | Min | Max | | OD | mm | 33.4 | 168.3 | OD | mm | 18.85 | 168.3 | | OD | inch | 1.315 | 6.626 | OD | inch | 0.742 | 6.626 | | NPS | inch | 1 | 6 | ID | mm | 10.85 | 162.0 | | API NS | inch | 1 | 6 5/8 | ID | inch | 0.427 | 6.378 | | WT | mm | 3.6 | 25.4 | | | | | | | | | | WT | inch | 0.142 | 1 | | | | |
Note: Sizes subject to availability/feasability Stainless Steel Tubes:
| Hot extruded SS Tubes | Size 1 | Size 2 | Size 3 | | OD | mm | 84 | 127 | 141 | | OD | inch | 3.307 | 5.000 | 5.551 | | ID | mm | 70 | 111 | 121 | | ID | inch | 2.756 | 4.370 | 4.764 | | WT | mm | 7.0 | 8.0 | 10.0 | | WT | inch | 0.276 | 0.315 | 0.394 |
| Cold Finish SS Tubes | Min | Max | | OD | mm | 6 | 168.30 | | OD | inch | 0.236 | 6.626 | | WT | mm | 0.7 | 12.0 | | WT | inch | 0.028 | 0.472 |
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