Current and Historical Iron Surcharges
RMP
Current Surcharge:
Surcharge rate per pound of raw casting:
Effective June 1, 2026:
[ Surcharge Letter ]| Ductile Iron | $.4733 |
| Gray Iron | $.4010 |
Prior Data:
Surcharge rate per pound of raw casting:
May 1, 2026 - May 31, 2026:
[ Surcharge Letter ]
| Ductile Iron | $.4731 |
| Gray Iron | $.3932 |
April 1, 2026 - April 30, 2026:
[ Surcharge Letter ]
| Ductile Iron | $.4647 |
| Gray Iron | $.3918 |
March 1, 2026 - March 31, 2026:
[ Surcharge Letter ]
| Ductile Iron | $.4627 |
| Gray Iron | $.3904 |
February 1, 2026 - February 28, 2026:
[ Surcharge Letter ]
| Ductile Iron | $.4411 |
| Gray Iron | $.3663 |
January 1, 2026 - January 31, 2026:
[ Surcharge Letter ]
| Ductile Iron | $.4353 |
| Gray Iron | $.3726 |
December 1, 2025 - December 31, 2025:
[ Surcharge Letter ]
| Ductile Iron | $.4332 |
| Gray Iron | $.3666 |