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AISI 440 Stainless Steel Roller Balls 13 MM 17 MM For Conveyor Belts Rollers

Categories	Stainless Steel Balls
Brand Name:	JN
Model Number:	13 MM 17 MM
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:	Stainless Steel Roller Balls
Grade:	G20
Standard:	AISI 440C
Hardness:	HRC57-65
Feature:	Magnetic
HS Code:	84829100

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Company Info.

Shandong JinNai International Trade Co., Ltd.

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13 MM 17 MM AISI 440 Stainless Steel Roller Balls For Conveyor Belts Rollers

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

Feature

440C: Martensitic hardened stainless steel balls, they feature remarkable hardness, wear resistance, surface finishing,

narrow dimensional tolerances. For that reason this type of steel is frequently used in precision devices.

Balls are provided in the passivated condition.

Product Tags:

round steel balls

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