Alloy surcharge 1.4404, Isartal Edelstahlwerk (fictional mill, derived)
AS-14404Derived notations·monthly·EUR/t·2021-01 → 2026-09
Check a claim
Pick two months (or click an idx: ID anywhere in the app). The change is (later ÷ earlier − 1) × 100, the way the arena computes it. Blue shading: a window the arena accepts; yellow: one it calls irrelevant.
✓ The arena accepts this window (≤ 12 months apart, ends within the last 12 months of the data).
Alloy surcharge 1.4404, Isartal Edelstahlwerk (fictional mill, derived) changed +5.9% from 2025-09 to 2026-09 (idx:AS-14404@2025-09, idx:AS-14404@2026-09).
Type the % someone claims for this window (ours or a supplier's). The arena verifies within ±0.5 percentage points.
Claims made with this index in our runs
Supplier claims are checked here against the data; ours carry the arena's verdict from the supplier's reply. Identical claims across runs are merged.
| Who | Window | Claimed | Data | Result | Runs |
|---|---|---|---|---|---|
| Our agent to Zerspanung Dralveck GmbH | 2026-06 → 2026-09 | −5.5 % | −5.49 % | verified | |
| Our agent to Strojírna Hrvelec s.r.o. | 2026-06 → 2026-09 | −5.5 % | −5.49 % | duplicate | |
| Our agent to Strojírna Hrvelec s.r.o. | 2026-06 → 2026-09 | −5.5 % | −5.49 % | verified | |
| Our agent to Edelstahl-Service Donautal GmbH | 2026-06 → 2026-09 | −5.5 % | −5.49 % | verified | |
| Our agent to Blankstahl Werdenfels GmbH | 2026-06 → 2026-09 | −5.5 % | −5.49 % | verified | |
| Edelstahl-Service Donautal GmbH | 2025-09 → 2026-09 | +5.9 % | +5.92 % | holds | |
| Blankstahl Werdenfels GmbH | 2025-09 → 2026-09 | +5.9 % | +5.92 % | holds |
Parts whose cost it drives
Share of each part's cost that follows this index (cost_drivers, category team estimate) and what its 12-month move did to that part's cost.
| Part | Category | Share of cost | Effect, 12 months |
|---|---|---|---|
part:370010 Round bar 1.4404 dia 30 mm, peeled | raw material | 43 % | +2.55 pt |
part:310050 Volute casing HI 80-250 | castings | 24 % | +1.42 pt |
part:310051 Impeller HI 250 | castings | 24 % | +1.42 pt |
part:310071 Impeller HX 200 | castings | 23 % | +1.36 pt |
part:320012 Pump shaft HI duplex | machined parts | 16 % | +0.95 pt |
part:320070 Pump shaft HX | machined parts | 16 % | +0.95 pt |
part:320090 Spacer sleeve | machined parts | 15 % | +0.89 pt |
part:320020 Shaft sleeve | machined parts | 14 % | +0.83 pt |
part:320010 Pump shaft HN 24 mm | machined parts | 12 % | +0.71 pt |
part:320011 Pump shaft HN 32 mm | machined parts | 11 % | +0.65 pt |
Index clauses
A clause moves the price with the index: P = P0 × (1 − share + share × I / I_base), outside a deadband. Contracts that have one, and practice cases that offer one.
The price follows index AS-14404: P = P0 x (1 - 0.45 + 0.45 x I(m-2) / I(base)), base = the index two months before the price year starts, adjusted quarterly on the 1st of January, April, July and October if the change exceeds 0 %.
The case expects AS-14404 to move +6.0 % over the contract; carrying an index clause adds a risk charge of 1 % of the indexed spend. Cost of each clause option, as a share of spend (brief: share × max(0, |move| − deadband) + share × risk):
| Option | Index move passed on | Risk charge | Total, % of spend |
|---|---|---|---|
| No clause (fixed price) | 0.00 % | 0.00 % | 0.00 % |
| share 45 %, deadband 0 % | 2.70 % | 0.45 % | 3.15 % |
| share 45 %, deadband 3 % | 1.35 % | 0.45 % | 1.80 % |
| share 45 %, deadband 5 % | 0.45 % | 0.45 % | 0.90 % |
With the index expected to rise, a clause passes that rise on to us and adds the risk charge. Take one only if the supplier lowers the base price by more than the total above.
The case expects AS-14404 to move +6.0 % over the contract; carrying an index clause adds a risk charge of 1 % of the indexed spend. Cost of each clause option, as a share of spend (brief: share × max(0, |move| − deadband) + share × risk):
| Option | Index move passed on | Risk charge | Total, % of spend |
|---|---|---|---|
| No clause (fixed price) | 0.00 % | 0.00 % | 0.00 % |
| share 45 %, deadband 0 % | 2.70 % | 0.45 % | 3.15 % |
| share 45 %, deadband 3 % | 1.35 % | 0.45 % | 1.80 % |
| share 45 %, deadband 5 % | 0.45 % | 0.45 % | 0.90 % |
With the index expected to rise, a clause passes that rise on to us and adds the risk charge. Take one only if the supplier lowers the base price by more than the total above.
About this series
- Source
- derived
- Licence
- derived from the open series
- Formula
- (0.10 x Ni + 0.165 x 2500 + 0.02 x 50000) / 0.95; Ni = WB-NI / ECB-USD of the previous month; Cr and Mo held at fixed EUR/t (no open monthly series)
- Months
- 69 (2021-01 → 2026-09)