Surface Finishing Tutorial

#227 Application of Industrial Chrome Plating

Category : Electroplating

February19, 2016

(1)Plating application and thickness examples of industrial chrome plating

Product	Application	Plating thickness (µm)
Rolls	High-molecular compound/paper manufacturing	30
	Spinning	20
	Steel processing	50
	Non-ferrous metal processing	30
Molds	Plastic molding	10
	Glass forming	50
	Pharmaceutical and food products	10
	Forging	30
	Ceramics	50
Cylinders and piston rods	Hydro-pneumatic mechanism	20
	Hydraulic equipment	30
	Gasoline engines	50
	Diesel engines	100
Pistons and piston rods	Hydro-pneumatic equipment	20
	Hydraulic equipment	30
	Pumps	20
Pistons and piston rods	General machinery	20
	Diesel or gas engines	100
	Gasoline engines	5
Piston rings	Gasoline	50
Piston rings	Diesel	100
Tools	Cutting tools	3
Shafts/Journals	Shafts for general machinery	30
Shafts/Journals	Shafts for internal combustion engines	50
Other mechanical parts	Spinning and weaving machinery	20
	Engine valves	5
	General machinery	20
Photo and printing supplies	Ferrotype	5
	Film processing	10
	Print rolls	2

(2)Industrial chrome plating names

Industrial chrome plating of at least 20 µm thickness on an iron and steel substrate, buffing before plating, grinder polishing after plating, buffing after plating, with the final surface roughness of Ra1.6 µm
EP-Fe/ICr20/1BF,2G,2BF (Ra1.6)
Industrial chrome plating of at least 10 µm on an iron and steel substrate, liquid honing before plating
EP-Fe/ICr10/1LH

(3)Plating symbols

"I" indicating industrial application is added before Cr (chrome plating) for plating symbols. This table summarizes the symbols representing pre/post plating processes.

Processing method	Before plating	After plating
Buffing	1BF	2BF
Porous processing	1P	2P
Lapping	1GL	2GL
Super finishing	1GSP	2GSP
Liquid honing	1LH	2LH
Blast finishing	1SB	2SB
Grinder processing	1G	2G

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