Producer Price Index for steel pipe and tube across grades, broader than WPU10170674 (Steel Pipe and Tube, Stainless Steel) since it covers carbon and alloy pipe together with stainless. Index base: June 1982 = 100.
Latest value
434.299
Index · as of Aug 2026
Year-over-year change
+13.9%
BLS
Month-over-month change
+2.2%
Latest value is 1 month old. Next update expected around Sep 2026.
Calculate your adjustment
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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 389.3 to 434.3, a change of +11.6%.
Highest reading in that period: 434.3 in Aug 2026. Lowest: 350.8 in Feb 2025.
Largest one-month rise: +4.4% in Apr 2025. Largest one-month fall: -2.6% in Mar 2024.
For a clause that resets its base every year, a 10% cap or floor would have limited the adjustment in 4 of the last 20 months.
Volatility (12mo)
±1.00%
Std. dev. of month-over-month change
Strongest average month-over-month move historically: April (+1.7% avg).
What this means for your clause
Oil and gas pipeline and general plumbing supply contracts that buy a mix of pipe grades use this blended series, while a contract buying stainless pipe specifically should name the stainless-only series instead since the two grades do not price identically.
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 — Steel Pipe and Tube (BLS series WPU101706), 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 WPU101706 (Steel Pipe and Tube) to its value at contract signing, turn that into a ratio, and apply the ratio to the steel pipe-affected line items. A usable clause also names an averaging window, a publication-lag rule, and a cap.
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