Micro Metal Ball,Stainless steel ball AISI304 304L 316 316L 420 420C 440 440C

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Stainless Steel Ball

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HUARI AISI304 304L 316 316L 420 420C 440 440C Stainless Steel Ball

International Equivalent:
OCr18Ni9, SUS304,AISI304, 1.4301, 00Cr19Ni10, SUS304L, AISI304L, 1.4307, 0Cr17Ni12Mo2, SUS316, AISI316, 1.4401, 0Cr19Ni12Mo2, SUS316L, AISI316L, 1.4404, 3Cr13, 420J2, AISI420, 1.4028, 4Cr13, AISI420C, 1.3541, 1.4034, 9Cr18, AISI440, 9Cr18Mo, SUS440C, AISI440C, 1.4125
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Product information:

Changzhou Huari Steel Ball Co., Ltd is an ISO9001: 2015 and IATF16949: 2016 certified professional manufacturer of steel balls with experience of more than 30 years. We owns more than 500 sets advanced production equipment and more than 100 sets of testing devices to ensure the quality of the steel balls.

Custom service to meet our customers' needs are our core strength.

Sizes & Material

The factory produces ball sizes from 0.5mm to 250mm.

Stainless steel balls: AISI304, 304L, 316, 316L, AISI420, 420C, 440, 440C(G10-G1000) .

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China	Japan	U.S.	Germany	Hardness
OCr18Ni9	SUS304	AISI304	1.4301	HRC 25-39
00Cr19Ni10	SUS304L	AISI304L	1.4307	HRC 25-39
0Cr17Ni12Mo2	SUS316	AISI316	1.4401	HRC 25-39
0Cr19Ni12Mo2	SUS316L	AISI316L	1.4404	HRC 25-39
3Cr13	420J2	AISI420	1.4028	HRC 48-58
4Cr13	-	AISI420C	1.3541, 1.4034	HRC52-56
9Cr18	-	AISI440		HRC57-61
9Cr18Mo	SUS440C	AISI440C	1.4125	HRC58-64

Material	CHEMICAL COMPOSITION %
Material	C	Si	Mn	P	S	Ni	Cr	Mo	Ti
AISI304	≤0.08	≤1.00	≤2.00	≤0.045	≤0.03	8.0-11.0	18-20
AISI304L	≤0.03	≤1.0	≤2.00	≤0.045	≤0.03	9.0-12.0	18-20
AISI316	≤0.08	≤1.00	≤2.00	≤0.035	≤0.03	10.0-14	16.0-18.5	2.0-3.0
AISI316L	≤0.030	≤1.00	≤2.00	≤0.045	≤0.03	10.0-14	16.0-18	2.0-3.0
AISI420(3Cr13)	0.26-0.35	≤1.0	≤1.0	≤0.04	≤0.035	≤≤0.60%	12.0-14.0
AISI420C(4Cr13)	0.36-0.45	≤0.60	≤0.8	≤0.035	≤0.03	≤0.6	12.0-14.0
AISI440 (9Cr18)	0.9-1	≤0.8	≤0.8	≤0.035	≤0.80	≤0.60	17.0-19.0	≤0.75
AISI440C (9Cr18Mo)	0.9-1	≤0.8	≤0.8	≤0.035	≤0.03	≤0.60	16.0-18.0	≤0.75

Grade: G10 to G1000
Grade	ball diameter	spherical	surface	lot diameter	nomainal ball
	variation	deviation	roughness	variation	deviation tolerance
	Vdws	Sph	Ra	Vdwl	Tdn
	not over
	μm
10	0.25	0.25	0.02	0.5	*
16	0.4	0.4	0.025	0.8	*
20	0.5	0.5	0.032	1	*
24	0.6	0.6	0.04	1.2	*
28	0.7	0.7	0.05	1.4	*
40	1	1	0.06	2	*
60	1.5	1.5	0.08	3	*
100	2.5	2.5	0.1	5	±12.5
200	5	5	0.15	10	±25
500	12.5	12.5	*	25	±50
1000	25	25	*	50	±125

Application of stainless steel balls.
AISI304, 304L, 316, 316L: strong anti-rust performance, can be in direct contact with neutral liquids. Special bearings, water pumps, valves, aerosols, dispensers, food machinery, medical, cosmetics and other fields.
AISI420, 420C, 440, 440C: precision bearings, auto parts, bicycles, mixers, slide rails, conveyor belts, skateboards, casters, valves, etc.

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♦Bearing ♦Drawer Slide ♦Household Appliances

♦Sprayer ♦Transportation ♦Medical Equipment

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1.Q: Can you provide free sample?
Yes, we can offer you free sample when we have them in stock and you just need to pay the shipping fee.

2.Q: What's the terms of payment?
T/T, Trade Assurance order on Alibaba, Western Union or Cash.

3.Q: What the certification do you have?
ISO 9001,IATF 16949,ROHS,SGS,BV.

4.Q: What is the lead time?
Balls in stock could be delivered within 3-5 days once confirmed the order.

For mass order or customized products, it takes about 20-30 days.

5.Q: What's your advantage? Why we choose you?

1) More than 30 years balls manufacture experience.
2) Great production capacity Sustainable Supply. According to customer requirements. We support the customized products including package.
3) Large stock and wide size range.

Standard packing: