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Sugar Mill Roll
Sugar Mill Roll

Postalloy® 2821-MCO is a chromium carbide alloy that produces a size range of "Spatter Weld" (Chapisco), from small to large. This versatility can meet the needs of all desired sugar mill roll rough surface requirements for pulling the cane during processing. It is easily applied during production or in shop roll maintenance. An ideal alloy for applications involving high abrasion and moderate impact.

Product Type

Wire: Metal-cored, Open-arc

**RCT™ Reactive Core Technology improves weldability and optimizes wear properties. Learn more.

Weld Deposit Properties
Average Hardness  
45Rc for 2 layers
Cannot be flame cut  
Will stress relieve, check-cracks slightly  


Sugar Mill Rolls (Chapisco)

POSTALLOY® 2821-MCO    Welding Parameters
Current: DC Reverse
Diameter Amps Volts Stick Out
1/16" (1.6mm)175-30022-281"-1¼" (25-32mm)
3/32" (2.4MM)225-35025-291¼" (32mm)
Packaging Options
Standard Packaging
1/16" (1.6mm)
25 lb spool
3/32" (2.4MM)
25 lbs. spool