Good quality crusher blow bars for impact crusher wear parts, stone crusher wear parts Specifications 1. High Manganese. 
2. Competitive price
3. Perfect Finishing and Appearance
4. Tailor designed and manufacture   Shanghai  Shanai   Machinery  Co.,  Ltd,  one  of  the  biggest  casting  foundry  in  China!  Our  company  was  founded  in  1999,  specialized  in  design  and  manufacture  wear  parts  for  crushers,  such  as  Jaw  Plates,  Bowl  Liner,  Liner,  High  Chromium Blow Bar, Connector and so on.    
We have made crusher parts more than 10 years, we know the most important thing is  the quality, so we strictly control the elements to  mkae sure the quality is  qualified , many customer  have been tested that our parts are the high quality, we supply our parts to all over the  world. welcome you order it on our company, we will provide the good quality and best service.
  Material Specifications of   blow bars  

Products Element List
high chromium cast iron material products series:
NO.	chemical composition %									HRC
	C	Si	Mn	Cr	Mo	Na	Cu	P	S
KmTBCr4Mo	2.5-3.5	0.5-1.0	0.5-1.0	3.5-4.5	0.3-0.5	-	-	≤0.15	≤0.10	≥55
KmTBCr9Ni5Si2	2.5-3.6	1.5-2.2	0.3-0.8	8.0-10.0	0-1.0	4.5-6.5	4.5-6.5	-	-	≥58
KmTBCr15Mo	2.8-3.5	≤1.0	0.5-1.0	13-18	0.5-3.0	0-1.0	0-1.0	≤0.10	≤0.06	≥58
KmTBCr20Mo	2.0-3.3	≤1.2	≤2.0	18-23	≤3.0	≤2.5	≤1.2	-	-	≥60
KmTBCr26	2.3-3.3	≤1.2	≤1.0	23-30	≤3.0	≤2.5	≤2.0	-	-	≥60