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China 0.3mm 0.397mm 0.4mm 0.5mm 0.508mm 0.6mm 0.635mm

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Chengdu Kaien Science and Technology Co., Ltd.

Audited Supplier 1 year

Profile Certified by SGS/BV

Sichuan, China
Limin Huang (Ms.)

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Model NO.:

0.3mm 0.397mm 0.4mm 0.5mm 0.508 0.6 0.635 0.68 0.7

Customized:

Customized

Certification:

ISO

Standard Parts:

Yes

Universal:

Yes

Type:

Bearing Ball

Material:

Chrome Steel

Quality Grade:

G100

Certifiace:

Quality Certificate

Original Certificate:

Yes

OEM:

Workable

Vacuum Packing:

Workalbe

Trademark:

KN STEEL BALL

Transport Package:

in Plastic Bag, in Box, in Carton, in Wooden Case

Specification:

0.3 0.397 0.4 0.5 0.508 0.6 0.635 0.68 0.7

Origin:

China

HS Code:

8482910000

Product Description

Ball Size: from 0.5mm to 75.0mm, Special size customization is available,

Factory/manufacturer: Supplied from KN STEEL BALL, a professional producer in China with 20 years experiene.

Ball Material: Chrome steel AISI316 Also could be stainless steel AISI52100, Gcr15, 100CR6. AISI304, AISI420, AISI440 AISI440C, And carbon steel, high carbon steel, aluminium, titanium. price vary with different mateiral.

Chrome steel AISI52100 100Cr6 Gcr15

Bearing steel balls are hardened and tempered through their entire diameter to insure uniform structure and hardness. Ball hardness is controlled within a range of HRC 60 - 67 as measured on a parallel surface.

CHEMICAL ANALYSIS	MECHANICAL PROPERTIES
Carbon	0.98 to 1.10%	Tensile Strength	325,000 psi
Chromium	1.30 to 1.60%	Yield Strength	295,000 psi
Manganese	0.25 to 0.45%	Elongation in two inches	5%
Silicon	0.15 to 35%	Reduction in area	8%
Phosphorus	0.025% Max	Modulus of elasticity	29,500,000 psi
Sulfur	0.025% Max	Density	.283 lbs./cu. In.
Nickel	0.25% Max
Molybdenum	0.10% Max

Carbon Steel

Item	C%	Si%	Mn%	P%	S%	Hardness
AISI 1010	0.08~0.13	0.30Max	0.50Max	0.07Max	0.06Max	HRC 58-64
AISI 1015	0.13~0.18	0.10~0.30	0.30~0.60	0.04Max	********
AISI 1045	0.43~0.50	0.10~0.30	0.60~0.90	0.04Max	0.05Max
AISI 1085	0.83~0.88	0.10~0.30	0.30~0.70	0.04Max	0.04Max

Stainless steel offer excellent corrosion resistance in organic, acid, industrial and marine environments. The non magnetic properties combined with exceptionally high toughness at all temperatures make these steels an excellent selection with many applications. AISI 316 stainless steel offers superior corrosion resistance due to the higher nickel and molybdenum content.

Chemical Composition
	302	304	316
Carbon	0.15% max.	0.08% max.	0.08% max.
Chromium	17.00 to 19.00%	18.00 to 20.00%	16.00 to 18.00%
Manganese	2.0% max.	2.0% max.	2.0% max.
Silicon	1.0% max.	1.0% max.	1.0% max.
Nickel	8.00 to 10.00%	8.00 to 10.50%	10.00 to 14.00%
Molybdenum	-	-	2.00 to 3.00%
Mechanical Properties
	302	304	316
Tensile strength	90,000 - 185,000 psi	84,000 - 185,00 psi	84,000 - 185,000 psi
Yield Strength	40,000 - 140,000 psi	42,000 - 140,000 psi	42,000 - 140,000 psi
Elongation in two inches (Annealed)	50%	55%	50%
Modulus of elasticity	28,000,000 psi	28,000,000 psi	28,000,000 psi
Annealed hardness (Rockwell B)	75 - 90	75 - 90	75 - 90
Cold worked hardness (Rockwell C)	25 - 39	25 - 39	25 - 39
Density	.286 lbs./cu.in.	.286 lbs./cu.in.	.288 lbs./cu.in.

440-C Stainless Steel (Martensitic) Balls AISI
440-C stainless steel balls exhibit excellent toughness and hardness properties and offer good corrosion resistance. This material is used extensively in bearing applications where precise tolerances and surface finishes are required.

Ball Quality Grade: G100, or other grade G10, G28, G40, G60 G80, G200 G1000, qualigy grade vary price different

Hardness: HRC60-68
Ball Brand: KN STEEL BALL
Application: For precsion measure meters, ball pens production, bearing production, linear slider production,mobile photo etc.
Packing: in plastic bag, then in box, then in carton, then in wooden case. Or special packing requied by client.

Delivery terms: usually 30 days for non-stocked balls. And 5 days for stocked balls
Quality certificate and material certificate would be issued before each shipping.
PPAP, Control Plan is available for bulk purchase for high precsion steel balls
Sample confirmation before payment/shipping is available, free, by KN STEEL BALL.
We have great advantage from 0.5mm to 3.5mm balls prodctuion

Ball inspection in strict control
Breif introduction: We, KN STEEL BALL Chengdu Kaien Tech, a professional Supplier enterprise of steel balls, steel rollers, focus on manufacturing of the bearing balls, rollers from 2001 and exporting from 2004 to Eastern Europe, with stable quality in honesty and upright. With brand kN, With two ball factories and one steel roller factory, after years development, kN has become one of the Ball Leading Enterprise of steel rollers and steel balls in China for chrome steel ball, carbon steel ball, stainless steel ball, special metal balls and steel needle rollers. Our products are under the strict quality production management system, and Automotive Industry Quality Management System. Supplying balls with diameter mainly from 0.500mm to 73.250mm, special to 400mm, grade from G1000 to G5, Roller including NRA, RNB roller, quanlity grade reach to G5 G3 G2. Material maily is chrome steel AISI52100, stainless steel and carbons steel. With the development of business and the special requirment of clients, we also trade in the ore iron steel raw material from our steel material plant with orginal cost. We are like to cooperate with all partners from world with honest and upright for correct cost and quality products.