Steel Prices
Stainless Slab Expansion by Krakatau Steel Signals New Demand for Forging‑Grade Steel
2d ago•6 November 2026•2 min read•Source: SteelRadar
Photo: Bence Szemerey / Pexels
Key Highlights
- Krakatau Steel invests $350 M in a new stainless slab line, adding ~600 kt capacity.
- New slab output will boost availability of 304L/316L grades for automotive and appliances.
- Potential price compression may benefit forgings that source billets from secondary melt.
- Kesari Alloys offers stainless forging ingots and continuous cast billets to match new slab grades.
- Buyers should align grade selection with supply‑chain timing to avoid inventory bottlenecks.
Industry Development
Krakatau Steel’s announcement of a USD 350 million stainless‑steel slab plant adds roughly 600,000 tonnes of hot‑rolled stainless strip capacity in Indonesia. The project targets the expanding automotive and appliance markets, which are shifting to higher‑grade stainless for better corrosion resistance and lightweighting. By integrating an electric‑arc furnace and a continuous‑casting line, Krakatau aims to reduce scrap dependence and improve grade consistency, tightening the supply chain for downstream forgers that require reliable slab quality.
Implications for Forging Material Supply
Forging houses that specialise in open‑die and ring‑rolling processes typically source stainless billets either directly from slab producers or via secondary melt shops. The new slab capacity should increase the availability of grades such as 304L and 316L, but it may also create price pressure as the market absorbs the extra volume. Buyers need to monitor the price spread between slab‑derived billets and recycled stainless, because recycled material is likely to stay competitive for lower‑volume orders.
Kesari Alloys Perspective
For a manufacturer like Kesari Alloys, the expansion underscores the importance of offering a broad portfolio of stainless forging ingots that can be matched to the new slab grades. Our forging ingots are produced to meet open‑die forging, ring rolling and upsetting specifications, giving OEMs flexibility to select the exact chemistry they need without waiting for slab‑to‑billet conversion.
In parallel, customers who prefer a ready‑made billet for precision ring rolling may look to our continuous cast billets that are supplied in standard stainless families. By keeping a diversified product line, Kesari Alloys can serve buyers seeking both custom‑grade ingots and off‑the‑shelf billets, helping them manage inventory and lead‑time risks as stainless supply expands.
Why This Matters for Steel Buyers
The additional stainless‑slab capacity is expected to compress the price differential between primary billets and recycled stainless. This forces buyers to reassess the trade‑off between cost and the tighter mechanical properties required for critical forging applications. Locking in a grade—whether a standard 304L or a specialised alloy—now can secure pricing before the market stabilises.
When qualifying suppliers, buyers should favour manufacturers that can provide both custom ingots and ready‑made billets, because this dual capability offers greater flexibility in production scheduling and inventory management. Kesari Alloys’ extensive steel grade family gives purchasers a one‑stop source for carbon, alloy and stainless grades, simplifying qualification and reducing lead‑time exposure.
Frequently Asked Questions
How will Krakatau Steel’s new slab plant affect stainless steel prices for forgings?
The increased slab supply is expected to put downward pressure on primary stainless prices, which may narrow the cost advantage of recycled billets for certain grades.
What stainless grades are most relevant for automotive forgings?
Grades such as 304L, 316L and 321 are commonly used for exhaust and structural components due to their corrosion resistance and formability.
Should I source stainless billets or ingots for a high‑volume ring‑rolling project?
For high‑volume runs, continuous cast billets can reduce handling steps, while custom forging ingots offer precise chemistry control; a mix of both may optimise cost and quality.
Can Kesari Alloys meet the grade and size requirements for projects impacted by the new slab capacity?
Yes, Kesari Alloys supplies a full range of stainless forging ingots and continuous cast billets that align with the grades emerging from Krakatau’s slab production, supporting timely procurement.
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