pumping unit

Cold rolled seamless precision steel pipe for machinery

2019-08-22 17:03:00 25

Cold Rolled Seamless Precision Steel Pipe for Machinery

Product Description

Shengji is the leading manufacture of oilfield precise rolling pipe. It is widely used as barrel & plunger, motor housing, gas springs, shock absorbers, cylinders, body-building instruments, automotive industry, etc. Oilfield precise rolling pipe is recommended for applications where accuracy, roughness and cleanness of the tube is a priority. The inner and outer walls of the oilfield precise rolling pipe have high accuracy and excellent roughness (Ra=0.2 - 0.6).The materials can be altered to meet customers' requirements. Shengji oilfield precise rolling pipe can also withstand high pressure. Both the inner and outer walls have a smooth finish with no oxidation layer on the surface. Our Cold Rolled Seamless Precision Steel Pipe features the best technology in both domestic and international markets.

rig,mud pump,rotary table,drilling swivel,travelling block hookrig,mud pump,rotary table,drilling swivel,travelling block hook

Key Feature

1.Inner and outer walls of pipe have high accuracy, excellent roughness (Ra=0.2 - 0.6).

2.Materials can be altered to meet customers' requirements.

3.Inner and outer wall smooth finish.

4.Able to withstand high pressure.

SpecificationsCold rolled seamless precision steel pipe for machineryProduction Process

 Cold rolled seamless precision steel pipe for machinery

Oilfield Application

The precision rolling pipe can be  used for downhole pump barrel & plunger, sucker rod coupling, ESP housing, motor bearing and housing.

 1.Sucker Rod Pump

Barrel specification

Nominal Dia.(in)

I.D.  Tolerance(mm)

Wall thickness

Material

Plunger specification

O.D. tolerance(mm)

Length

(in)

Φ32

1 1/4

±0.05

3/50

1/8

1/4

3/8

3/4

7/8

1

1.Carbon steel 1020,1026,1045 etc);

2.Brass

3.Alloy steel

304,316,316L,S50100,

4130,13Cr,P9 etc.

Φ32

±0.05

4’-6’

Φ38

1 1/2

±0.05

Φ38

±0.05

Φ44

1 3/4

±0.05

Φ44

±0.05

Φ50

2

±0.05

Φ50

±0.05

Φ57

2 1/4

±0.05

Φ57

±0.05

Φ70

2 3/4

±0.10

Φ70

±0.10

Φ83

3 1/4”

±0.10

Φ83

±0.10

Φ95

3 3/4”

±0.10

Φ95

±0.10

Φ108

4 1/4”

±0.10

Φ108

±0.10

Φ220

8 5/8”

±0.10

Φ220

±0.10

Φ280

11

±0.10

 

 

Cold rolled seamless precision steel pipe for machinery

 2.Brass Sucker rod pump

To solve downhole sucker rod pump corrosion, Shengji developed brass sucker rod pump using precise rolling after 2 year’s studying. Now, Shengji is the first manufacturer in China and the products have been successfully exported to America, Canada, Russia, Tunisia, Kazakhstan, Iran, Saudi Arabia,etc.

Cold rolled seamless precision steel pipe for machinery 3.Pump housing for Electric Submersible Pump (ESP)

ESP housing manufactured by shengji has high precision and can be assembled without honing. Cold rolled seamless precision steel pipe for machinery

(Φ16~Φ210)

Specification

Nominal Dia.

Tolerance

Wall Thickness

Material

Φ139

139.7mm/

5 1/2”

±0.05mm

3.18mm/

1/8”

6.35mm/

1/4”

9.53mm/

3/8”

Alloy steel pipe

(16Mn,1Cr5Mo,35CrMo,9Cr1Mo,13Cr,22Cr,   

A 335P9,4130,K500,718)

Φ178

177.8mm/

7”

±0.05mm

Φ210

209.55mm/

8 1/2”

±0.05mm

Φ280

279.4mm/11”

±0.05mm

 

4.Cold Rolled Brass Pipe

Cold rolled seamless precision steel pipe for machinery

Quality Control

Cold rolled seamless precision steel pipe for machinery 

WorkshopCold rolled seamless precision steel pipe for machineryCold rolled seamless precision steel pipe for machineryCold rolled seamless precision steel pipe for machinery 
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