The formation and propagation mechanism of the cracks is discus - sed and the cause for the stress corrosion fracture in the brass pipe is elucidated.

文中讨论了裂纹的形成和传播机制，并阐明了铜管出现应力腐蚀破裂的原因。

It can provide certain reference for solution of brass pipe corrosion still occurred in power plant, and the safety, economic and high-efficiency operation of power plant.

对于解决目前我国电厂仍然大量存在的铜管腐蚀现象及事故，电厂的安全、经济、高效的运行有着一定的作用。

Recommended for cutting aluminum pipe, bronze pipe, brass pipe, copper pipe, galvanized pipe, mild steel and tougher steels including stainless pipe, plus other problem material at slow speed.

推荐用于切割铝管，青铜管，铜管，镀锌管，软钢管和硬钢管，包括不锈钢管，还有其它的材料以缓慢地速度切割。