hydraulic pump cylinder block and plunger

Specifications

1) 20 years manufacture experience
2) Strict dimension control
3) OEM service

 Place of Origin: Henan,China (Mainland)                       Product Material: CarbonSteel, Alloy Steel              Product: plunger                                       Special Pipe: Thick Wall Pipe

 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

Shaft, main shaft, spline shaft, shaft in deep-hole , roller, gear shaft, eccentric shaft, powerful shaft, spindle shaft, screw rod, tension bar, gear rack, fan shaft. cylinder.

2.Material 

 ASTM:1045, 1035, 5140,4130

3.Standard: 

BS, JIS, ASME,AISI,GOST,DIN,etc

4.Specifications of product

Product	Diameter (mm)	Length (m)	Precision (mm)	Surface roughness (Ra)
Pipe	40 800	≤ 17	0.02	1.6
Shaft	2500	20	0.02	0.4
Plate/Ring	4000	0.5	0.02	0.8
Cylinder	2500	7	0.02	0.8

 

4. Chemical Components

 1045

Components	C	Mn	Si	P	S	Cr	Ni	Cu
Min Max	0.42 0.50	0.50 0.80	0.17 0.37	≤ 0.035	≤ 0.035	≤ 0.25	≤ 0.25	≤ 0.25

 

 5140 

Components	C	Mn	Si	P	S	Cr	Ni
Min Max	0.37 0.44	0.50 0.80	0.17 0.37	≤ 0.035	≤ 0.035	0.80 1.10	≤ 0.030

 5. Manufacturing process

   EAF + LF + forging +UT test + Rough machining + UT test + Q&T + Precision machining + Package

6.Report

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

7.Nondestructive test (NDT)

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

8.Quality certification : ISO 9001: 2008, IQNET