Alloy Surcharges (U.S. Dollars)
| Alloy Type/Product | Dec 2020 | Jan 2021 | Feb 2021 | Mar 2021 | Apr 2021 | May 2021 | Jun 2021 | Jul 2021 | Aug 2021 |
| 307Si | $1.32 | $1.32 | $1.45 | $1.50 | $1.60 | $1.65 | $1.65 | $1.75 | $1.95 |
| 308H/308L | $1.65 | $1.65 | $1.75 | $1.80 | $1.88 | $1.90 | $1.90 | $2.00 | $2.15 |
| 309/309L | $1.82 | $1.82 | $1.95 | $2.10 | $2.15 | $2.20 | $2.20 | $2.30 | $2.45 |
| 309Mo/309MoL | $2.45 | $2.45 | $2.55 | $2.60 | $2.70 | $2.80 | $2.80 | $2.85 | $3.05 |
| 310/310L | $2.40 | $2.40 | $2.50 | $2.60 | $2.85 | $2.90 | $2.90 | $2.95 | $3.10 |
| 312 | $1.65 | $1.65 | $1.70 | $1.75 | $1.85 | $1.90 | $1.90 | $2.00 | $2.20 |
| 316H/316L | $1.85 | $1.85 | $1.95 | $2.05 | $2.10 | $2.18 | $2.18 | $2.25 | $2.40 |
| 317L | $2.30 | $2.30 | $2.38 | $2.45 | $2.58 | $2.65 | $2.65 | $2.75 | $2.90 |
| 347 | $1.65 | $1.65 | $1.80 | $1.85 | $1.95 | $2.00 | $2.00 | $2.08 | $2.15 |
| 2209 | $2.00 | $2.00 | $2.08 | $2.15 | $2.25 | $2.30 | $2.30 | $2.40 | $2.55 |