Cutting aluminum sheet metal with a hammer and chisel is relatively straight forward line up the edge of the chisel along the line you wish to cut and strike the chisel with a hammer.
													
																	Aluminum sheet cut. 
									
	
		
	
																	Cutting with tin snips. 
																	Method 3 of 3. 
																	This weakens the aluminium and creates a fracture line. 
																	Aluminum also spelled aluminium is one of the most widespread and popular metals on the planet. 
															
													
									
	
		
	
																	Sheet aluminium can be cut without the need for a guillotine or tin snips which tend to deform the metal. 
																	Using a softer piece of material such as wood as a backer will allow the chisel to push through the metal and prevent wear on the chisel s tip. 
																	Online metals has a variety of shapes and alloys available in full sizes and custom cut lengths. 
																	If you re cutting a line in a sheet of aluminum you can skip the vice and cut your way down the sheet on a flat surface. 
															
													
									
	
		
	
																	With the aid of a straight edge and a sharp knife score both sides of the aluminium sheet.