PipescreenZ™ Brand Stainless Steel Screens are manufactured right here in the United States using Type 304 Stainless Steel. It is a true nonmagnetic stainless steel. PipescreenZ™ Brand Stainless Steel Screens are perfect for use in tobacco pipes or other applications where both wear and corrosion resistance from heat is needed. PipescreenZ™ Brand Stainless Steel Screens are designed to be used for temperatures up to 1500°Fahrenheit. Temperature of the combustion zone in a tobacco pipe is on average around 932 degrees Fahrenheit (variability, 716°–1148° F.).