It will develop a green patina with time.
Copper sheet astm b 370.
B370 is 99 pure copper and is often referred to by different numbers by different manufacturers as part of branding but don t let that confuse you.
Different manufacturers may give different alloy numbers as part of their efforts to brand their product but don t let that confuse you.
Astm b370 is commonly referred to as other brand names or as roofing copper.
B370 is popular for its appearance and ease of working machining.
Copper sheet astm b370 also known as roofing copper provides high ductility durability and corrosion resistance.
Astm b 370 09 specification for cold rolled copper sheet and strip for building construction pdf download item.
B370 will naturally patina with age.