2.Specifications

best quality Carbon Steel Ball ball steel balls for bearing

Diameter	kg/1000pcs	pcs/kg	Diameter	kg/1000pcs	pcs/kg
mm in	kg		mm in	kg
mm in	kg	about	mm in	kg	about
0.5	0.00051	1960780	13.4938 17/32	10	100
0.68	0.00128	781250	14	11.18	89
0.8	0.00209	478470	14.2875 9/16	11.9	84
1	0.00408	245100	15.0812 19/32	14	71.4
1.2	0.00705	141840	15.8750 5/8	16.3	61.3
1.3	0.00893	111980	16	16.69	59.9
1.45	0.0124	80645	16.6688 21/32	18.9	52.9
1.5880 1/16	0.016	62350	17	20.02	50
1.75	0.0218	45871	17.4625 11/16	21.7	46.1
2	0.0326	30700	18.2562 23/32	24.8	40.3
2.3812 3/32	0.055	18182	19	27.96	35.77
2.5	0.0637	15698	19.0500 3/4	28.2	35.5
2.778	0.088	11349	19.8438 25/32	31.9	31.4
3	0.11	9091	20.6370 13/16	35.8	27.9
3.1750 1/8	0.131	7634	21	37.75	26.49
3.5	0.175	5717	21.4313 27/32	40.1	24.9
3.9688 5/32	0.255	3922	22.2250 7/8	44.8	22.3
4	0.261	3831	23	49.59	20.17
4.7625 3/16	0.441	2268	23.0188 29/32	49.8	20.1
5	0.51	1961	23.8125 15/16	55.1	18.2
5.5562 7/32	0.699	1431	24	56.34	17.75
5.9531 15/64	0.86	1163	24.6063 31/32	60.8	16.5
6	0.881	1136	25	63.68	15.7
6.3500 1/4	1.04	962	25.4000 1	66.8	15
6.5	1.119	894	26.1938 1-1/32	73.3	13.64
6.7469 17/64	1.25	800	26.9875 1-1/16	80.2	12.47
7.1438 9/32	1.49	671	27.7812 1-3/32	87.4	11.4
7.9375 5/16	2.04	490	28	89.47	11.18
8	2.09	478	28.5750 1-1/8	95.2	10.5
8.5	2.5	400	30.1625 1-3/16	112	8.93
8.7312 11/32	2.71	369	31.7500 1-1/4	130.6	7.66
9	2.97	337	33.3375 1-5/16	151.1	6.62
9.5250 3/8	3.52	284	34.9250 1-3/8	173.8	5.75
10	4.08	245	36.5125 1-7/16	198.6	5.04
10.3188 13/32	4.48	223	38.1000 1-1/2	225.6	4.43
11	5.42	185	40	261.1	3.83
11.1125 7/16	5.6	179	41.2750 1-5/8	286.8	3.49
11.5	6.22	161	42.9625 1-11/16	321.2	3.11
11.5094 29/64	6.22	161	44.4500 1-3/4	358.2	2.79
11.9062 15/32	6.88	145	47.6250 1-7/8	440.5	2.27
12	7.04	142	50.8000 2	534.8	1.87
12.3031 31/64	7.6	132	57.1500 2-1/4	761.5	1.31
12.7000 1/2	8.35	120	60	881.1	1.14

3. Material Composition %

Chymic component of 1010 carbon steel balls (C10)		Chymic component of 1015 carbon steel balls (C15)		Chymic component of1045 carbon steel balls(S45C)		Chymic component of 1085 carbon steel balls (C85)		Chymic component of Gcr15 bearing steel balls(AISI52100)
C	0.08%--0.10%	C	0.13%-0.18%	C	0.42%--0.48%	C	0.80%--0.90%	C	0.95% --1.10%
Si	-------	Si	-------	Si	0.15%--0.35%	Si	0.35%-0.45%	Si	0.15%--0.35%
Mn	0.30%--0.6%	Mn	0.30%--0.6%	Mn	0.60%--0.90%	Mn	0.60%--0.9%	Mn	0.50% max.
P	0.040% max.	P	0.040% max.	P	0.030% max.	P	0.050% max.	P	0.025% max.
S	0.050% max.	S	0.050% max.	S	0.035% max.	S	0.050% max.	S	0.025% max.
								Cr	1.30% --1.60%