Current and Historical Iron Surcharges
RMP
Current Surcharge:
Surcharge rate per pound of raw casting:
Effective November 1, 2025:
[ Surcharge Letter ]| Ductile Iron | $.4327 | 
| Gray Iron | $.3586 | 
Prior Data:
Surcharge rate per pound of raw casting:
                October 1, 2025 - October 31, 2025:
                 [ Surcharge Letter ]                
                | Ductile Iron | $.4449 | 
| Gray Iron | $.3575 | 
                September 1, 2025 - September 30, 2025:
                 [ Surcharge Letter ]                
                | Ductile Iron | $.4461 | 
| Gray Iron | $.3619 | 
                August 1, 2025 - August 31, 2025:
                 [ Surcharge Letter ]                
                | Ductile Iron | $.4244 | 
| Gray Iron | $.3589 | 
                July 1, 2025 - July 31, 2025:
                 [ Surcharge Letter ]                
                | Ductile Iron | $.4348 | 
| Gray Iron | $.3524 | 
                June 1, 2025 - June 30, 2025:
                 [ Surcharge Letter ]                
                | Ductile Iron | $.4323 | 
| Gray Iron | $.3524 | 
                May 1, 2025 - May 31, 2025:
                 [ Surcharge Letter ]                
                | Ductile Iron | $.4441 | 
| Gray Iron | $.3714 |