Specifications

1) 20 years manufacture experience in non-standard machine parts.
2) Strict dimension control
3) Heavy mechanical components

 Place of Origin: Henan, China (Mainland)                        Product Material: Steel, Alloy Steel                       Product: Gear rack                                             

 Manufacture Technique: Forging and machining

 Certification: IQNET, ISO,

Packaging & Delivery

Packaging Details:	Export standard package or according to customer requirement
Delivery Detail:	30~60days according to various quantity

 

Specifications

1.Main products

Gear shaft, worm shaft, spur gear shaft, bevel gear, hydralic gear shaft, drive gear shaft ,tansmission gear shaft, AISI 4340 gear shaft, stanless gear shaft. helical gear shaft.  

2.Material   

Standard	Material
GB	45	40Cr	42CrMo	20Cr	40CrNiMoA
AISI	1045	5140	4140	5120	4340
DIN	C45	41Cr4	42CrMo4	20Cr4	1.6511
JIS	S45C	SCr440	SCM440	SCr420	SNCM439

 

3.Standard: 

BS, JIS, ASME,AISI,GOST,DIN,etc

 

4.Specifications of tension rod

Product	Diameter (mm)	Length (m)	Gear Type			Weight
Gear shaft	100 2000	≤ 15	Spur Gear	Helical Gear	Herringbone Gear	≥ 500 KG

 

5. Chemical Components and Mechanical Character

 

 4140

Components	C	Mn	Si	P	S	Cr	Ni	Mo
Min Max	0.38 0.45	0.50 0.80	0.17 0.37	≤ 0.035	≤ 0.035	0.90 1.20	≤ 0.030	0.15 0.25

 

 

6. Manufacturing process

Forging+ Rough machining + UT test + Semi-finishing + Carburizing + Quench + Precision machining+ Package

 

7.Report

Chemical composition report, Physical properties report, Heat treatment report, Dimensional inspection report, NDT report

 

8.Nondestructive test (NDT)

UT ( ultrasonic testing ), MT ( magnetic particle testing ), PT ( penetrant testing)

 

9.Quality certification : ISO 9001: 2008, IQNET

 

 OUR CONDITIONS AND ADVANTAGE

We have rich experience in a variety of  non-standard machine parts, we are the ideal partner at the field fo machinery, chemistry and petroleum industries, wind power, mining, transportation, metallurgy, etc.