Item-level Producer Price Index for fabricated steel plate, the most detailed series BLS publishes beneath the WPU1076 group, which carries the same title. It started in 2001, so it has a shorter history than the group index. Index base: December 2001 = 100.
Latest value
259.444
Index · as of Aug 2026
Year-over-year change
+0.8%
BLS
Month-over-month change
+0.8%
Latest value is 1 month old. Next update expected around Sep 2026.
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Enter a base value, a current value, and a contract amount to see the adjustment.
Price history
Data & insights
Key figures
From Jan 2024 to Aug 2026 the index went from 225.8 to 259.4, a change of +14.9%.
Highest reading in that period: 259.4 in Aug 2026. Lowest: 225.8 in Jan 2024.
Largest one-month rise: +12.7% in Aug 2024. It did not fall month to month in this period.
For a clause that resets its base every year, a 10% cap or floor would have limited the adjustment in 7 of the last 19 months.
Volatility (12mo)
±0.23%
Std. dev. of month-over-month change
Strongest average month-over-month move historically: August (+4.5% avg).
What this means for your clause
Pressure vessel, tank, and heavy equipment fabrication contracts use fabricated plate indexes to escalate the shop-fabricated steel share of the price. A drafter choosing between this item series and WPU1076 should check both histories, since the group index reaches back to 1982 and makes a cleaner long-run base period.
Draft a clause
A starting point citing this series by name and code. Replace the bracketed terms with your contract's actual scope before use.
The [affected portion] of the Contract Price shall be adjusted using US PPI — Fabricated Steel Plate, Item Level (BLS series WPU10760102), published by BLS.
Base Period: the index value published for August 2026 (or the month of contract signing, if different) is the Base Value.
Adjustment: at each Adjustment Date, the Current Value is the most recently published three-month average of the index (the Averaging Window). The Escalation Factor equals Current Value divided by Base Value.
Cap: the Escalation Factor applied under this clause shall not exceed 1.10 or fall below 0.90 (a 10% cap and floor) in any single Adjustment Date, regardless of the index's actual movement.
[Replace bracketed terms with your contract's actual affected-portion definition and adjustment-date schedule before use. This is a drafting starting point, not legal advice.]
Compare the current value of BLS series WPU101704 (Hot Rolled Steel Bars, Plates, and Structural Shapes) to its value at contract signing, turn that into a ratio, and apply the ratio to the structural steel-affected line items. A usable clause also names an averaging window, a publication-lag rule, and a cap.
Escalake tracks US PPI — Fabricated Steel Plate, Item Level, applies your formula, and gives both sides a number they can confirm, no spreadsheet required.
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