The tested 316 steel (/% : 0.04C

0.36Si

2.OOMn

0.009P

0.024S

17.74Cr

11.74Ni

2.56Mo) is melted by a 30 kg vacuum induction furnace and the tested adding nitrogen-saving nickel 316 steel (/% : 0. 04C

0.25Si

1.86Mn

0.012P

0.021S

16.90Cr

8.18Ni

2.64Mo

0.36N) is melted by nitrogen filled at ambient pressure and adding nitriding alloy

forged and rolled to 4 mm strip and solid-solution treated at 1 100℃ for 1 h. The erosion rate and the morphology of surface of steel erosion-tested are characterized and analyzed by electronic balance

SEM and homemade slurry erosion wear-erosion device. Results show that with increasing erosion impact angle the erosion rate of both tested austenite stainless steel increases and appears to rise-fall-rise

two peaks of erosion rate occur at erosion impact angle 45° and 90° and the max erosion rate occurs at 90°; with increasing velocity and time of erosion impact the erosion rate of both steels increases. At same conditions of erosion

the adding nitrogen-saving nickel 316 austenite stainless steel has better wear-erosion performance and lower erosion rate.