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13.0mm AISI304 Sliver Stainless Steel Balls , Ss Ball Bearings For Crafts 8.961g

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13.0mm AISI304 Sliver Stainless Steel Balls , Ss Ball Bearings For Crafts 8.961g

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Brand Name :	JN
Model Number :	13.0mm 0.511inch
Certification :	ISO
Price :	Negotiable
Payment Terms :	L/C, T/T, Western Union, MoneyGram
Supply Ability :	500tons One Month
Delivery Time :	7-15 days

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13.0mm AISI304 Sliver Stainless Steel Balls , Ss Ball Bearings For Crafts 8.961g

13.0mm AISI304 Sliver Stainless Steel Balls , Ss Ball Bearings For Crafts 8.961g

Production Description

Stainless steel balls do not rust, but are not easy to rust. The principle is that by adding chromium,

a layer of dense tissue of chromium oxide is formed on the surface of the steel, which can effectively

block the re-contact of the steel and the air, so that the oxygen in the air cannot enter the steel, thereby

preventing the steel from being produced. The effect of rust.

AISI 302/304/304L STAINLESS STEEL BALLS

They display good mechanical characteristics, toughness and corrosion resistance. AISI 304L provides lower carbon content, AISI 302 better mechanical characteristics. Balls are provided in the passivated condition.

Applications

Special bearings and pumps, aerosol pumps, gardening and household sprayers, perfume miniature pumps, seams, medical application valves, agricultural backpack sprayers. They are used in foodstuff, aerospace and military industry.

Chemical composition

Type	%C	%Si	%Mn	%P	%S	%Cr	%Ni	%N
302	0.150 max	1.00 max	2.00 max	0.045 max	0.030 max	17.00-19.00	8.00-10.00	0.100 max
304	0.080 max	0.75 max	2.00 max	0.045 max	0.030 max	18.00-20.00	8.00-10.50	0.100 max
304L	0.030 max	0.75 max	2.00 max	0.045 max	0.030 max	18.00-20.00	8.00-10.50	0.100 max

International standards

ITA	USA	GER	FRA	UK	RUS	CHN	JAP
X10CrNi18-8	302	1.4310	Z11CN18-08	301S21	12KH18N9	1Cr18Ni9	SUS301
X5CrNi18-10	304	1.4301	Z7CN18-09	304S15	08KH18N10	0Cr18Ni9	SUS304
X2CrNi18-9	304L	1.4307	Z3CN18-10	304S11	04KH18N10	00Cr19Ni10	SUS304L

Physical / mechanical / thermal / electric / magnetic properties

Property	Symbol	U.o.M.	Type	Notes	Values
Density	δ	[g/cm3]	Physical	Room temp.	7.95
Young's modulus	E	[GPa]	Mechanical	-	200
Specific heat	c	[J/kg-K]	Thermal	Room temp.	500
Coefficient of linear thermal expansion	α	[10^-6/ºC]	Thermal	(ΔT=0-100°C)	17.5
Thermal conductivity	λ	[W/(m·K)]	Thermal	Room temp.	15.8
Electric resistivity	ρ	[Ωm10^-9]	Electric	-	710
Relative magnetic permeability	µ	-	Magnetic	Paramagnetic	1.025*

Technical data

Property	Type	U.o.M.	Values	U.o.M.	Values
Hardness	Mechanical	[HRC]	20 - 39 (1)*	[HV]	100 - 250 (2)*
Ultimate tensile strength	Mechanical	[MPa]	500 - 1300	[psix10^3]	72 - 188
Service temperature	Thermal	[ºC]	-196 / 700	[ºF]	-320.8 / 1697

Corrosion Resistance

Very good corrosion resistance with respect to organic substances, oxidating solutions, foodstuff, sterilizing solutions. Good resistance with respect to atmospheric corrosion and dyes. They are subjected to pitting and crevice corrosion in presence of hot chloride solutions and to stress corrosion when temperature exceeds 60°C. They do not resist to sulfuric acid solutions. AISI 302 shows slightly best corrosion resistance with respect to AISI 304/304L stainless steels.

Notes

Property	Description
Hardness*	Balls can be supplied in the (1) COLD WORKED (HRC 20-39, standard product) or (2) ANNEALED (HV 100-250, on demand) conditions.
Magnetism	Eventual magnetism of AISI 316 balls and in general of all austenitc stainless steels strictly depends by the manufacturing process, specific inquiries for not magnetic balls should priorly reported.
Precision Grade**	On specifical request and for big quantities, we can supply G10 and G16 precision grade balls. Diameters from 3.000 mm to 1/2".
Precision Grade**	On specifical request we can supply G20-24-25-28-40-48-50-60-80 precision grade balls.

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