Have your considered that raw material elements will caused the fittings cracked when you assemble ?

The important role of brass fittings, speaking of brass raw material, many people know its normal, because of different brass material standard is same looking. but the different place requested different function. so it need to used correct brass material like C36000,C37700,C46500 etc..

In the production process of brass hose fittings, it is used Brass C36000 is best choosing.The chemical requirements for C36000 brass: 60.0 to 63.0% Copper, 2.50 to 3.0% Lead, 0.35% max Iron, and remainder Zinc. The tempers produced under ASTM B16 are 060 (soft annealed), H02 (Half hard) and H04 ( Hard), with H02 (Half hard) begin the most popular and most widely used.