high chromium impeller bar

A.Material Specifications of high chromium impeller bar:  

High Chrome Casting Material Chemical Composition
Code         Elem.	C	Si	Mn	Cr	Mo	Na	Cu	P	S	HRC
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	≤1.0	≤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

PS: Above  materials are normal specifications. Meanwhile, we also provide customised materials to our customers. B. Crusher high chromium impeller bar  Features:   1) Material: high manganese steel: Mn13%, Mn18%, Mn24% High chromium iron: Cr20, Cr24 up Carbon Steel HT200 QT400-15   2) Use: Machinery in metal recovery smash, mine, metallurgy, chemical industry, cement, petroleum etc.   3) Production quality testing: High frequency infrared carbon & sulfur analyzer, Metallographic microscope, Machinery performance testing equipment, Hardness testing equipment, Ultrasonic inspection equipment   4) Easy installation: The anti-abrasion block is a semi-permanent part, which is easy for replacement.   Quenching work piece with special H.T. Procedures.  C.SGS Certificate:     Photos of high chromium impeller bar