OEM Precision CNC Shock Absorber Chrome Piston Rod for Auto China Factory

Basic Info.

Model NO.	MH
Sample Time	Within 7days
Appliancation	Pump, Household,Drive,Fan,Coffee etc
Transport Package	Exporting Standard
Specification	OEM
Trademark	OEM
Origin	Zhejiang
HS Code	7318160000
Production Capacity	500000PCS/Month

Product Description

1.Product Descrition:China Supplier Chrome Plated Steel Piston Connecting Rod For Shock AbsorberPiston rod is made of 45 #,35# steel material, after high-frequency quenching, finishing and centerless grinding, harProduct process: cold drawn---blanking---straightening---coarse grinding---heat treatment---straightening---CNC blank---finishing---half coarse grinding---half fine grinding---fine grinding---fine polishing---plating---fine grinding---fine polishing---full inspection d chrome plating use micro-cracks plating process HV800-1050 (modulation processing hardness, high frequency quenching hardness,plating thickness and depth shall be subject to the user's drawing). 2.Product Details;

Core competence	drive shaft,pump shaft, motor shaft,rotor shaft ,blender shaft and multi -diameter shaft ,piston rod etc precision shaft core.
Surface Treament	Anodizing/ Oxiding/ Zinc plating/ Nickel plating/ Chrome plating/ Silver plating/ Gold plating/ Imitation gold plating/ Sand blasted/ Brushed/ Silk screen/ Passivation/ Power coating/ Painting/ Alodine/ Heat treatment etc.
Tolerance	+/-0.005mm or +/- 0.0002"
Material	Stainless Steel,Carbon Steel,SAE1035/SAE1045
	We handle many other type of materials. Please contact us if your required material is not listed above.
Inspecation Equipment	Coordinate measuring machining/ Projector/ Caliper/ Microscope/ Micrometer/ High gauge/ Roughness tester/ Gauge block/ Thread gauge etc.
Quality Control	100% inspection
Customized	Yes,all are customized according clients' drawings design or sample
Payment Way	T/T, Western Union ,Paypal
Packaging	1:Anti-rust oil OPP bags and cartons for outer packages.
	2: Customer's requirement.
Shipping	(1)0-100kg: express & air freight priority
	(2)>100kg: sea freight priority
	(3)As per customized specifications.

3.Detailed Material Description

1.CHEMICAL COMPOSITION

Material	C%	Mn%	Si%	S%	P%	V%	Cr%
Ck45	0.42-0.50	0.50-0.80	0.04	0.035	0.035
ST52	0.22	1.6	0.55	0.035	0.04
20MnV6	0.16-0.22	1.30-1.70	0.10-0.50	0.035	0.035	0.10-0.20
42CrMo4	0.38-0.45	0.60-0.90	0.15-0.40	0.03	0.03		0.90-1.20
40Cr	0.37-0.45	0.50-0.80	0.17-0.37				0.80-1.10

2.MECHANCIAL PROPERTIES

Material	T.S N/MM2	Y.S N/MM2	E%(MIN)	CHARPY	CONDITION
CK45	610	355	15	>41J	NORMALIZE
CK45	800	630	20	>41J	Q + T
ST52	500	355	22		NORMALIZE
20MnV6	750	590	12	>40J	NORMALIZE
42CrMo4	980	850	14	>47J	Q + T
40Cr	1000	800	10		Q + T

4.Products processing:

FAQ:1.Can we get a sample before ordering? Sure,sample is free,you have to pay freight cost or supply us your company collect couire account number.tks2.All products all are OEM ? Yes,our specialized in producing and exporting various shafts and pin,all are high quality and customized according to clients' drawings or samples.3.Are you factory or a trading company ?We are manuacturer,and our factory is in ningbo,china.welcome to visit us anytime.4.Why choose us?Because we can help you produce high quanlity and Precision shaft according to your design drawing.welcome to OEM products anytime.Sure,competive price and good delivery time service