casting low chrome iron ball for mine

Name: casting low chrome iron ball for mine
Brand: JINAN HUAFU FORGING CO.,LTD

Price Negotiable

Price: $630.00/tons 25-499 tons

MOQ: 25 tons

Delivery Time: Negotiable

Brand: HUAFU

Product Description

Company Information

Production(cast)

Production process of Chrome alloy casting iron ball

Raw material→Secientic proportioning→Electric furnace smelting→Assay before furnace→Mould forming→Polishing→Heat treatment→Packing

casting balll

1. Diameter tolerance and Length tolerance

Diameter(mm)

Φ<30

30<Φ<60

60<Φ<80

80<Φ<100

Φ>100

Diameter tolerance(mm)

+1,-1

+1.5,-1

+2,-1

+2.5,-1

+3,-1

2.Chemical composition

Name	Brand	Chemical composition(%)
	Brand	C	Si	Mn	Cr	Mo	Cu	Ni	P	S
Chrome alloy casting iron ball	ZQCr26	2.0-3.3	1.2max	0.3-1.5	>23.0-30.0	0-3.0	0-1.2	0-1.5	≤0.10	≤0.06
	ZQCr20	2.0-3.3	1.2max	0.3-1.5	>18.0-23.0	0-3.0	0-1.2	0-1.5	≤0.10	≤0.06
	ZQCr15	2.0-3.3	1.2max	0.3-1.5	>14.0-18.0	0-3.0	0-1.2	0-1.5	≤0.10	≤0.06
	ZQCr12	2.0-3.3	1.2max	0.3-1.5	>10.0-14.0	0-3.0	0-1.2	0-1.5	≤0.10	≤0.06
	ZQCr8	2.1-3.3	2.2max	0.3-1.5	7.0-10.0	0-1.0	0-0.8	-	≤0.10	≤0.06
	ZQCr5	2.1-3.3	1.5max	0.3-1.5	4.0-6.0	0-1.0	0-0.8	-	≤0.10	≤0.10
	ZQCr2	2.1-3.6	1.5max	0.3-1.5	1.0-3.0	0-1.0	0-0.8	-	≤0.10	≤0.10

3.Technical specification

Name	Brand	Diameter (mm)	Hardness (HRC)	Breakage rate	Impact value (J/cm²)	Drop times	Micro structure
Chrome alloy casting iron ball	ZQCr26	17-150	>58	<1%	>7	≥12000	M+C
	ZQCr20	17-150	>58	<1%	>6	≥12000	M+C
	ZQCr15	17-150	>58	<1%	>5	≥12000	M+C
	ZQCr12	17-150	>58	<1%	>3.5	≥12000	M+C
	ZQCr8	17-150	>58	<1%	>3	≥12000	M+C
	ZQCr5	17-150	>47	<1%	>2	≥10000	M+C
	ZQCr2	17-150	>45	<1%	>1.5	≥8000	P+C