Indonesia Just Doubled Its Nickel Ore Pricing Formula – Stainless Steel & Alloy Cost Alert (April 2026)

Time: Early April 2026 

Scope: Nickel Alloy / Stainless Steel / Related Raw Materials 

Sources: MIIT, ESDM (Indonesia), LME, Mysteel, SMM, Public Market Data

Effective April 15, 2026, Indonesia fundamentally changed how nickel ore is priced. The country’s Ministry of Energy and Mineral Resources (ESDM) signed a major revision to the HPM benchmark formula on April 10, with enforcement starting April 15.

The revision directly pushes up raw material costs for both wet-process and pyrometallurgical routes:

• Wet-process (HPAL) ore costs: Expected to rise by approximately +$1,700 per nickel ton
• Pyrometallurgical (RKEF) costs: Expected to rise by approximately +RMB 2,610 per nickel ton

Immediate nickel price response

The market reacted quickly after April 10:

• Shanghai nickel (main contract): Closed at RMB 139,480/ton on April 14, up +3.9% week-on-week
• LME nickel: Trading range of USD 17,000–17,400/ton, showing a range-bound but slightly strong trend

Why this matters beyond a simple price hike

Indonesia is no longer just controlling export volumes – it is now directly intervening in pricing. The doubling of the correction factor from 17% to 30% signals that Jakarta intends to capture more value from its nickel resources. Over the next 1-3 months, this will gradually lift the cost base for nickel, stainless steel, and other alloys.

The market is likely to maintain a cost-driven, range-bound upward trend. Rising Indonesian ore prices will gradually transmit to the stainless steel end, but the pace of downstream demand recovery remains the biggest variable.

What downstream buyers should do now

Given the nickel cost uptrend triggered by Indonesia’s HPM rule:

• Shorten quotation validity periods – Nickel prices are moving faster than usual. Avoid long fixed-price quotes.
• Communicate raw material volatility proactively – Inform customers that nickel pricing rules have changed in Indonesia.
• Watch actual transaction prices – The key risk is "prices without demand": mills may try to pass through costs, but downstream buyers may resist. Monitor real deal prices between Indonesian mines and smelters in late April.

Indonesia’s April 15 HPM revision is a structural cost shock, not a seasonal fluctuation. Stainless steel and alloy buyers should treat this as a cost alert and adjust purchasing strategies before the full impact flows through the supply chain.

This is Part 1 of a 3-part series on April 2026 nickel and stainless steel market insights. Part 2 covers 300-series output surge & 316L vs 304 demand divergence. Part 3 covers China-Indonesia trade barriers, domestic policies, and price tables.

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