1" -5'' steel ball for copper ore

1" -5'' steel ball for copper ore Dia.:25-200mm Hardness:58-67HRC Izod impact strength:12-35J/M2 Breakage:real0.1%

1" -5'' steel ball for copper ore 

1.Dia.:20mm-200mm

2.Surface hardness: more than 60HRC, Core hardness: more than 55HRC.

3.Breakage: Less than 1%

 

4.Impact toughness: More than 12J/cm2

 

5.Density: 7.8-7.85g/cm3

 

6.Impact to broken (times): more than 10000

 

7.Abrasion:

non-ferrous metal: 0.4KG-0.7KG, ferrous metal: 055KG-0.8KG.( The abrasion just for reference, the exact abrasion depends on the specific mine ore, the temperature, the ball mill and other conditions.)

 

8. Package: Woven bag: 1Ton/bag;   Iron drum: 800KG/drum

9..Chemical composition:

C:0.77%, SI:0.21%, Mn:0.74%,P: 0.011%,  S: 0.013%,Ni: 0.02%,  Cr: 0.31%.

Cu: 0.08%, w: 0.009%, Mo: 0.002%, V: 0.002%, Ti: 0.002%, Al: 0.012%, Als: 0.009%,  B: 0.0004%, Nb: 0.002%,Ceq: 0.96%

10. Certificates we obtaion:

 11.USE:

12.specification

Nominal Diameter	Theoretical diameter	Theoretical Weight	Surface hardness	Centre hardness
(mm)	(mm)	(kg/per piece)	(HRC)	(HRC)
20	20.8	0.037	62-65	62-65
25	28.0	0.072
30	31.2	0.125
35	36.4	0.198	62-65	61-64
40	41.6	0.296
45	46.8	0.421
50	52.0	0.578
55	57.2	0.769
60	62.4	0.999
65	67.6	1.270	60-63	59-62
70	72.8	1.586
75	78.0	1.951
80	83.2	2.367
85	87	2.5243	59-64	59-64
90	92	2.9964
95	97	3.5241
100	102	4.1103
105	107	4.7582
110	112	5.4710
115	118	6.2512	58-63	58-63
120	122	7.1026
125	127	8.0279
130	133	9.0303	58-63	57-63
135	138	10.1076
140	143	11.2728
145	148	12.5243
150	153	13.8651

  

1" -5'' steel ball for copper ore