Live Silico Manganese rates — we supply all custom grades, with readily available stock of High Carbon Silico Manganese.
Silico Manganese, a crucial alloy in metallurgy, combines Silicon, Manganese and Iron to enhance steel production. It mainly comprises Silicon (Si) and Manganese (Mn), with variable content (Si: 12-35%, Mn: 55-80%) tailored for specific industrial needs.
It is the single most widely consumed ferro alloy in Indian steelmaking, and it is used because it does two jobs in one addition. The silicon strips dissolved oxygen out of the liquid steel, and the manganese ties up sulphur and stays behind in the finished metal, raising strength and hardenability. Adding the same two elements separately — ferro silicon for deoxidation and ferro manganese for alloying — means two additions, two sets of losses and more slag to handle, which is why most induction and electric arc furnace shops standardise on Silico Manganese instead.
Grades are named for their two main numbers: 60/14 means a minimum of 60% manganese and 14% silicon, 65/16 means 65% and 16%, and so on. Higher grades cost more per tonne but carry more useful metal, so the sensible comparison between two offers is cost per unit of contained manganese, not the headline rate. Carbon matters as much as the pair of numbers. Standard High Carbon Silico Manganese runs up to about 2-2.5% carbon, which is acceptable for rebar and most structural steel; low-carbon variants exist for grades where the carbon budget is tight, and they carry a premium.
Almost all of India's Silico Manganese is produced in submerged arc furnaces from manganese ore, quartzite and a carbon reductant. Because the process is electricity-intensive, the price tracks power tariffs and manganese ore landed cost more closely than it tracks steel demand, and it can move independently of the steel market. Production is concentrated around Raipur and the wider Chhattisgarh-Odisha belt, with further capacity in Andhra Pradesh, Karnataka and West Bengal — which is why most domestic offers are quoted EXW Raipur, with freight added to reach the buyer's plant.
We supply all custom grades of Silico Manganese, with readily available stocks of High Carbon Silico Manganese.
| Condition | Specs | I | II | III |
|---|---|---|---|---|
| Min | Mn | 60% | 60% | 65%-70% |
| Min | Si | 14% | 15% | 15%-20% |
| Max | C | 2%-2.5% | 2%-2.5% | 2%-2.5% |
| Max | S | 0.05% | 0.05% | 0.05% |
| Max | P | 0.1%-0.4% | 0.1%-0.4% | 0.1%-0.4% |
| Size | 10-150 mm / or as per customer choice | 10-150 mm / or as per customer choice | 10-150 mm / or as per customer choice |
A 60/14 lot at a lower headline price can work out dearer than a 65/16 lot once you divide by the manganese actually delivered. Work out the rate per unit of contained Mn before deciding, and apply the same arithmetic to the freight, because you pay to move the iron and the silicon too.
High Carbon Silico Manganese sits around 2-2.5% C. That is fine for rebar and general structural steel, but if you are making a low-carbon grade the pickup has to be budgeted for, or refined out later at a cost that dwarfs any saving on the alloy.
10-150 mm is the common lump range, and it can be cut to a customer's requirement. Undersize and fines behave differently in the charge — they oxidise faster and recovery drops — so agree the acceptable percentage of fines up front rather than arguing about it at the weighbridge.
A certificate from an earlier heat tells you nothing about the material on the truck. Insist the analysis references the lot being dispatched, and check phosphorus and sulphur as well as Mn and Si — P especially, since it cannot be removed later and it embrittles the finished steel.
EXW Raipur and delivered-to-plant are not the same number. Freight from the Chhattisgarh belt to a plant in another state is a real part of the landed cost, and two quotes on different bases cannot be compared directly.
It is added to liquid steel as a combined deoxidiser and alloying agent. The silicon removes dissolved oxygen, while the manganese binds sulphur and remains in the steel to raise strength and hardenability. In India its largest single use is TMT rebar and other structural long products.
The numbers are the minimum manganese and silicon percentages. 60/14 guarantees at least 60% Mn and 14% Si; 65/16 guarantees 65% and 16%. The higher grade costs more per tonne but delivers more contained metal per tonne, so compare the two on cost per unit of manganese rather than on the tonne rate.
One addition instead of two means fewer handling losses, less slag to deal with and a shorter tap-to-tap time. For most induction and electric arc furnace shops making carbon and low-alloy steel, the combined alloy is both cheaper and simpler.
Typically up to 2-2.5%. That suits rebar and general structural grades. Where the carbon budget is tight, lower-carbon variants are available at a premium, and the pickup should be accounted for in the melt plan either way.
The standard lump range is 10-150 mm, and it can be cut to a customer's requirement. Agree the acceptable proportion of fines in advance — undersize oxidises faster in the charge and recovery falls.
It is made in submerged arc furnaces, so the cost is driven by electricity tariffs and by the landed cost of manganese ore as much as by steel demand. Those inputs move on their own schedule, which is why the alloy price can rise while steel prices are flat.
Production is concentrated in the Chhattisgarh-Odisha belt around Raipur, with further capacity in Andhra Pradesh, Karnataka and West Bengal. Most domestic offers are therefore quoted EXW Raipur, with freight to the buyer's plant added separately.
Ask for a test certificate that references the lot actually being dispatched, not an earlier heat, and read the phosphorus and sulphur figures alongside Mn and Si. Phosphorus in particular cannot be refined out later and embrittles the finished steel.