Been buying raw materials for steelmaking for over a decade – iron ore, chrome, manganese, silicon, nickel, refractories, scrap. I’ve been burned and I’ve scored deals. This trade is full of traps. Here’s some real talk for newcomers.

1. First, know exactly what “spec” you’re buying
Minerals and metallurgical products aren’t off‑the‑shelf. One grade difference, one impurity element change, and you could be looking at a price gap of a whole truck. Take iron ore sourcing: 62% Fe and 58% Fe are two completely different animals. Don’t just look at the words “iron ore”. You need to lock down: chemical composition (Fe, Si, Al, S, P each), size distribution (fines vs lumps), moisture content, and harmful elements (As, Pb, Zn). Different downstream processes – blast furnace, EAF, direct reduction – have totally different requirements. What you’re producing determines what you should pay. The ferrochrome for carbon steel vs stainless steel is a world apart – don’t buy low‑chromium material to make high‑chromium steel, that’s a disaster.
2. Finding suppliers – don’t believe the “mine direct” crap
Big trap in this business: any trader will tell you they’re “mine direct”. Ask them to show you the mine’s agency agreement, bills of lading from the last three months, or the mine’s VAT invoice. Most will go quiet. The reliable way is to go inspect at port. Major port stockyards in China (Rizhao, Tianjin, Lianyungang, Fangchenggang) have third‑party inspection labs. Pull the CIQ or SGS report, then check the physical stock – colour, particle size, obvious contamination. Many old‑timers carry a handheld XRF gun and spot‑test main elements and impurities. If a supplier says “we own mines overseas”, ask for the mining license and the latest shipping manifest. Can’t produce them? They’re almost certainly a trader mixing containers. Small trial orders are critical: book one vessel (say 5,000 or 10,000 tonnes), pay a partial deposit, and when the cargo arrives at port, you personally supervise sampling, sample prep, and lab testing. Then pay the balance. Anyone demanding “100% upfront before shipment” – nine out of ten are scammers.
3. Chemistry reports can lie
A lot of new buyers blindly trust the supplier’s own analysis. What you don’t know: sampling from the top vs the bottom of the same stockpile can show a grade difference of 3–5 points. Some suppliers “layer” – put high‑grade material at the container door or on top of the hold, and load low‑grade or waste rock underneath. So you absolutely must agree in the contract: which loading or discharging inspection result is final? Industry standard usually uses the discharging port CIQ or SGS as the final settlement basis, with a double‑adjustment formula for moisture and grade. Also for metallurgical additives (limestone, fluorspar, ferrosilicon, ferromanganese), the main issue is particle size uniformity. Too many fines will hurt furnace permeability; too many big lumps won’t melt evenly. When you inspect, use standard sieves – randomly sample a few bags and check the passing rate and lump size against the contract. For refractories (magnesia, bauxite, silicon carbide), focus on bulk density, apparent porosity, and refractoriness. You must send samples to an accredited lab yourself – never trust the factory’s “internal report”.
4. Inspection and loading – you need to be there
In this trade, nothing is final until the vessel is loaded or the truck is sealed. Best practice: send your own person or hire a third‑party inspection company (SGS, AHK, Intertek) to supervise everything – from stockpile sampling, sample preparation, sealing, shipping to the lab, to recording hold numbers, photos, and draft survey during loading. Most weight shortages happen at loading – the vessel owner and supplier collude to fake the draft survey, making you pay for tens of extra tonnes. Another easy miss: moisture. Ore moisture directly deducts from payable tonnes. Some suppliers spray water before loading to increase weight. You must spot‑check with a rapid moisture meter during loading, or contractually agree that moisture will be rechecked at the discharging port and that result governs. If you’re buying scrap or recycled metal, be even more careful – there could be sealed containers, non‑ferrous metals, or even radioactive material inside. Standard practice: use a grab to flip through layer by layer, or pass the scrap through a radiation detection gate. Don’t skimp on inspection fees – ruining one furnace charge can cost hundreds of thousands.
5. Price and payment – don’t get fooled by “index pricing”
Ore and metal prices usually benchmark to international indices (Platts IODEX, MB index, LME), but the index is just a base. What you really negotiate is the premium or discount. For iron ore, it’s index price plus or minus a few dollars, depending on grade, impurities and moisture. You need to understand the pricing period in the contract – is it the loading date index, the arrival date index, or the monthly average? Monthly average is safer for buyers; loading date favours sellers. Payment terms: the standard is letters of credit (L/C at sight) , negotiated against shipping documents, inspection reports, invoices. Never accept T/T upfront unless it’s a long‑time partner or a very small amount. If you absolutely must prepay, pay only a small deposit (e.g. 10%) and the balance after the discharging port inspection report comes out. Also watch the force majeure clause – many suppliers list things like “mine rain” or “loading port congestion” as FM. You need to explicitly write that price increases are not force majeure.
6. Real‑talk truths
Minerals and metallurgy procurement isn’t grocery shopping. One mistake can cost six or seven figures. Always remember: physical material matters more than reports. Third‑party inspection matters more than supplier promises. Discharging port results matter more than loading port results. Don’t believe “price way below index” – either the grade is wrong, there’s adulteration, or it’s a deposit scam. The classic scam: they send you fake mine documents, bank statements, trade records, then rush you to pay in full, saying “someone else will take it if you don’t.” A real, reliable supplier with steady tonnage never pushes you to pay quickly – they’re happy to do L/C and accept third‑party inspection. After years of minerals buying tips and how to avoid sourcing traps, the most valuable things are not a cheap price – they’re trustworthy inspection channels and stable logistics nodes. Hope this saves you a few falls.