Home > Stainless Steel Balls >

4.5MM Stainless Steel Balls 440C Bearing Balls For Nail Polished G10 7/64" 2.778 MM

Product Categories

Shandong JinNai International Trade Co., Ltd.

Contact Now

4.5MM Stainless Steel Balls 440C Bearing Balls For Nail Polished G10 7/64" 2.778 MM

Brand Name : JN

Model Number : 7/64" 2.778 MM 4.5MM

Certification : SGS ISO

Place of Origin : China

MOQ : 500kg

Price : Negotiable

Payment Terms : T/T, Western Union, MoneyGram,Paypal, L/C, D/A, D/P

Supply Ability : 10 Tons per Month

Delivery Time : 7-15 days

Packaging Details : Ploy bag+25kg carton box+1000kg wooden box

Product Name : Nail Polished Steel Ball

Grade : G10

Standard : AISI 440C

Hardness : HRC57-65

Feature : Magnetic

HS Code : 84829100

Contact Now

4.5MM Stainless Steel 440C Bearing Balls For Nail Polished G10 7/64" 2.778 MM

440 Stainless Steel balls are a martenistic-type stainless steel which is used

extensively in steel ball bearing applications that require hardness, dimensional stability,

corrosion resistance and toughness. 440 Stainless Steel is also used for corrosion-resistant ball

and check valves. 440 ball are resistant to corrosion from fresh water, steam, crude oil, gasoline,

perspiration, alcohol, blood and food stuffs. Maximum resistance to corrosion and

tarnishing is only achieved when 440 is fully hardened and surfaces are polished to a high luster.

440 is also magnetic.

Chemical Composition

%C	%Si	%Mn	%P	%S	%Cr	%Mo
0.95-1.20	1.00 max	1.00 max	0.040 max	0.030 max	16.00-18.00	0.75 max

Applications
Precision bearings, anti-friction bearings, special valves, conveyor belts and rollers, ballpoint pens. They are used in foodstuff, medical instruments, quick couplings, recirculating ball bearings, knotting devices, oil refinery devices.

International standards

ITA	USA	GER	FRA	UK	RUS	CHN	JAP
X 105CrMo17	440C	1.4125	Z100CD17	-	95X18	9Cr18Mo	SUS440C

Physical / mechanical / thermal / electric / magnetic properties

Property	Symbol	U.o.M.	Type	Notes	Values
Density	δ	[g/cm3]	Physical	Room temp.	7.70
Young's modulus	E	[GPa]	Mechanical	-	210
Specific heat	c	[J/kg-K]	Thermal	Room temp.	450
Coefficient of linear thermal expansion	α	[10^-6/ºC]	Thermal	(ΔT=0-100°C)	10.2
Thermal conductivity	λ	[W/(m·K)]	Thermal	Room temp.	19.6
Electric resistivity	ρ	[Ωm10^-9]	Electric	-	680
Relative magnetic permeability	µ	-	Magnetic	Not hardened	> 700

Technical data

Property	Type	U.o.M.	Values	U.o.M.	Values
Hardness	Mechanical	[HRC]	57 - 65	-	-
Ultimate tensile strength	Mechanical	[MPa]	1900 - 2000	[psix10^3]	275 - 290
Service temperature	Thermal	[ºC]	0 / 400	[ºF]	32 - 752

Corrosion Resistance
The material resists to corrosion in contact with freshwater, steam, oil, petrol, alcohol. They are subjected to pitting corrosion in sea water environments. Poor corrosion resistance in acid environments.

Range

Diameters (min/max)	U.o.M.	Diameters (min/max)	U.o.M.	Precision grades (ISO 3290-1 / DIN 5401 / AFBMA)
0.300 - 300.000	[mm]	1/64 - 12	["]	See section International Standards: ISO 3290-1 / DIN 5401 / AFBMA

4.5MM Stainless Steel Balls 440C Bearing Balls For Nail Polished G10 7/64" 2.778 MM

Product Tags:

round steel balls

solid metal ball

4.5MM Stainless Steel Balls 440C Bearing Balls For Nail Polished G10 7/64" 2.778 MM Images

Inquiry Cart 0

Send your message to this supplier


*From:	Your email address is incorrect!
*To:	Shandong JinNai International Trade Co., Ltd.
*Subject:	Subject is empty!
*Message:	For the best results, we recommend including the following details: -Self introduction -Required specifications -Inquire about price/MOQ Characters Remaining: (0/3000) Please enter 20 to 3000 characters to contact this supplier!