steel ball

steel balls

steel ball made by our factory are widely used in machinery, bearings, motorcycle, bicycle, car, truck, bus, instruments, electronic applications ect. we mainly supply follows steel balls:

1. Grade: 3-1000

2. size: 0.5-200mm

3. materials:

alloy steel ball
aluminium ball
carbon steel ball
ceramic ball
chrome steel ball for bearing
copper ball
stainless steel ball

4. TECHNICAL DATA FOR cARBON STEEL BALL

Nominal Ball Diameter			Nominal Ball Diameter			Nominal Ball Diameter
mm	inch	pcs/kg	mm	inch	pcs/kg	mm	inch	pcs/kg
0.5000		1961392	6.0000		1135	13.4938	17/32	100
0.8000		478856	6.3500	1/4	958	14.2875	9/16	84
1.0000		245174	6.5000		893	15.0812	19/32	71
1.2000		141884	6.7469	17/64	799	15.8750	5/8	61
1.5000		72645	7.1438	9/32	673	16.0000		60
1.5875	1/16	61283	7.9375	5/16	490	16.6688	21/32	53
2.0000		30647	8.0000		479	17.4625	11/16	46
2.38125	3/32	18158	8.7312	11/32	368	18.0000		42
2.5000		15692	9.0000		336	18.2562	23/32	40
3.0000		9081	9.5250	3/8	284	19.0500	3/4	35
3.1750	1/8	7661	10.0000		245	19.8438	25/32	31
3.5000		5719	10.3188	13/32	223	20.6375	13/16	28
3.96875	5/32	3922	11.1125	7/16	179	22.0000		23
4.0000		3831	11.5094	29/64	161	22.2250	7/8	22
4.7625	3/16	2270	11.9062	15/32	145	23.0188	29/32	20
5.0000		1962	12.0000		142	23.8125	15/16	18
5.55625	7/32	1430	12.3031	31/64	132	24.0000		18
5.9531	15/64	1162	12.7000	1/2	120	25.4000	1	15

Grade	Diameter Tolerance	Lot D.T.	Surface Roughness	Gauge Interval	Preferred Gauge	Sub gauge Interval	Sub Gauge
3	0.08	0.13	0.012	0.5	-5~-0.5,0+0.5~+5	0.1	-0.2,-0.1,0,+0.1,+0.2
5	0.13	0.25	0.02	1	-5~-1.0,+1~+5	0.2	-0.4,-0.2,0,+0.2,+0.4
10	0.25	0.5	0.025	1	-9~-1.0,+1~+10	0.2	-0.4,-0.2,0,+0.2,+0.4
16	0.4	0.8	0.032	2	-10~-2.0,+2~+10	0.4	-0.8,-0.4,0,+0.4,+0.8
20	0.5	1	0.04	2	-10~-2.0,+2~+10	0.4	-0.8,-0.4,0,+0.4,+0.8
28	0.7	1.5	0.05	2	-12~-2.0,+2~+12	0.4	-0.8,-0.4,0,+0.4,+0.8
40	1	2	0.08	4	-16~-4.0,+4~+16	0.8	-1.6,-0.8,0,+0.8,+1.6
60	1.5	3	0.10	5	-20~-5.0,+5~+20	1	-2,-1,0,+1,+2
100	2.5	5	0.125	10	-40~-10.0,+10~+40	2	-4,-2,0,+2,+4
200	5	10	0.2	15	-60~-15.0,+15~+60	3	-6,-3,0,+3,+6

Materials	Analysis of Chemical
Materials	C	Si	Mn	P	S	Ni	Cr	Mo	Cu
AISI440C	0.95-1.20	1.00max	1.00max	0.040max	0.030max	0.60max	16.0-18.0	0.75max	----
AISI420C	0.42-0.50	1.00max	1.00max	0.040max	0.030max	1.00max	12.5-14.5	----	0.30max
AISI304	0.08max	1.00max	2.00max	0.045max	0.030max	8.00-10.5	18.0-20.0	----	----
AISI316	0.08max	1.00max	2.00max	0.045max	0.030max	10.0-14.0	16.0-18.0	2.00-3.00	----
AISIE52100	0.95-1.10	0.15-0.35	0.50max	0.025max	0.025max	----	1.30-1.60	----	----

5. MATERIALS STANDARD
　

COUNTRY	STANDARD	CHROME STEEL	CARBON STEEL				STAINLESS STEEL
CHINA	GB	GCr15	10	15	45	85	1Cr18Ni9	OCr19Ni9	OCr17 Ni12MO2	3Cr13	9Cr18
USA	AISI	E52100	1010	1015	1045	1084	302	304	316	420	440c
JAPAN	JIS	SUJ2	S9CK	S15CK	S45C	SUP3	SUS302	SUS304	SUS316	SUS420J2	SUS440C
GERMANY	DIN	100Cr6	CK10	CK15	CK45		X12Cr Ni188	X5CrNi189	X5CrNiMN18	X30Cr13
GERMANY	DIN	1.3505					1.4300	1.4301	10(1.4404)	1.4028
UK	BS	S135	045M10	090M15	080M46	060A86	302 S 25	304 S 15	316 S 16	420 S 45
UK	BS	534A99	045M10	090M15	060M47	060A86	302 S 25	304 S 15	316 S 16	420 S 45
FRANCE	NF	100C6	XC10	XC12-18	XC42,XC45		Z10CN 18.09	Z6CN18.09	Z6CN D17.12	Z30C14	Z100CD17
ITALY	UNI	UNI100C6	C10	C15			X15CN 1808			X32C13
RUSSIA	FOCT	IIIX15	10	15	45	85	12X18H9	08X18H10	08X17H 13M2T	3X13	95X18

6. Process of Steel Ball