30mm steel ball

1:high hardness 2:little breakage 3:low wear rate 4:one Auotamatic production lines

   Our company provides all kinds of specifications wear-resistant steel ball, high chromium ball, low chromium ball, grinding ball wear-resistant materials, etc. Widely used in cement, mining, power stations, chemical industry, the product has high hardness, not broken, resistance to grinding, do not break round characteristics

Casting ball size is exact, the surface is smooth and beautiful outlook, good abrasion resistance, good mode, no shrinkage, flow efficiency is high.

 

 

 

Chemical Composition

 

 

Type	Chemical composition
	C	Si	Mn	Cr	Mo	Cu	P	S
Low chromium cast the ball	2.2-3.5	≤1.2	≤1.5	0.8-3.5	≤1.0	≤0.5	≤0.15	≤0.15
Medium chromium cast in the ball	2.0-3.3	≤1.2	≤1.8	4.0-9.0	≤1.5	≤1.0	≤0.15	≤0.15
High chromium cast the ball	1.6-3.3	≤1.0	≤2.5	10-18	≤1.0	≤1.5	≤0.10	≤0.10
Special high chromium cast the ball	2.0-3.3	≤1.0	≤2.5	22-25	≤2.0	≤1.5	≤0.10	≤0.10

 

 

 

The Product Description

 

Model	Mechanical properties		Microstructure
	HRC	Times of falling (3.5m)
Low Chromium	≥45	≥8000	P+C
Medium Chromium	≥50	≥12000	P+C
High Chromium	≥55	≥15000	M+C

 

 

30mm steel ball