Free Cutting Brass Rods – Chemical Composition
October 2, 2012
Chemical Composition of Free Cutting Brass Rods, its fabrication properties and uses are listed below:
Chemical compostions by Grade
Free Cutting Brass Rods (Grade – 1)
Copper :- 56.0% to 59.0%
Lead :- 2.0 to 3.50%
Iron :- 0.35% Maximum
Total impurity excluding Iron :- 0.70%
Zinc :- Remainder
Free Cutting Brass Rods (Grade – 2)
Copper :- 60.0% to 63.0%
Lead :- 2.50 to 3.70%
Iron :- 0.35% Maximum
Total impurity excluding Iron :- 0.50%
Zinc :- Remainder
Free Cutting Brass Rods (Grade – 3)
Copper :- 60.0% to 63.0%
Lead :- 0.50 to 1.50%
Iron :- 0.20% Maximum
Total impurity excluding Iron :- 0.50%
Zinc :- Remainder
Use of free cutting brass rods by Grade
Grade-1
Precision Components, Hardware, Hinges, Lock Bodies, Screws, Nuts and Bolts.
Grade-2
Gear, Pinions, Precision, Automobile, Electronic Parts.
Grade-3
Precision Components, Components Machining with Riveting Operations.