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Thread Cold Drawn Pipe for Electric Submersible Pump Motors

THREAD cold drawn pipe for Electric Submersible Pump Motors (commonly referred to as threaded cold-drawn tube) is a critical precision component specifically engineered for harsh downhole oil well environments.

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Description

Products Description

We always adhere to the high quality and service, strive for excellence in raw materials, high

precision and advanced equipment, and perfect technology. We can provide all kinds of best

quality products according to the different requirements.

specialized in manufacturing of Honed pipe, precision cold drawn teel pipe.

Product Name	Cold drawn steel pipe
Material	Carbon Steel and Alloy Steel
Surface	oiled, Polished, Brightness, Metallic color
Standard	ASTM A106 A53 A192 A179 A210 A519 DIN17175 1629 2391 EN10216- 1 10216-2 10305- 1 and GB,JIS
Grade	St35,St45,St52,E215,E235,E355,sch10,sch20,A106,A179,A192,A210,T11,T22,T 12,AISI4130,SAE1010,SAE1020.etc
Technique	Cold drawn & cold rolled
Application	1. Automotive and mechanical pipes
	2. Petroleum cracking pipes
	3. High Pressure Boiler Pipe
	4. Low and middle pressure fluid transportation pipeline
	5. Chemical fertilizer equipment pipes
	6. Heat exchanger pipes
Delivery Conditions	1. BK (+C)	No heat treatment after last cold forming process.
	2. BKW (+LC)	After last heat treatment there is a light finishing pass (cold dr awing)
	3. BKS (+SR)	After the final cold forming process the tubes are stress reliev e annealed.
	4. GBK (+A)	After the final cold forming process the tubes are annealed in a controlled atmosphere.
	5. NBK (+N)	After the final cold forming process the tubes are annealed a bove the upper transformation point in a controlled atmosphere.
Package	1. Bundle Packing.
	2. Plain end or vanished as per customer's request.
	3. Wrapped in waterproof paper.
	4. Sackcloth with several steel strips.
	5. Pack in heavy tri-wall boxes.

Chemical Composition

Steel grade	Chemical composition %
	C	Si	Mn	P	S		Cr	Ni		V	AI
	C	Si	Mn	≤						≥
C20	0.17-0.24	0.17-0.37	0.15-0.65	0.035		0.025	0.250		0.250	/	/
CK45	0.42-0.5	0.17-0.37	0.5-0.8	0.025		0.025	0.250		0.300	/	/
Q355B	≤0.2	≤0.5	1.0-1.6	0.030		0.030	0.030		0.250	0.080	0.015
Q355D	≤0.2	≤0.5	1.0-1.6	0.030		0.025	0.250		0.250	0.150	/
E355(ST52)	≤0.22	≤0.55	≤1.6	0.025		0.025	0.250		0.250	/	/
SAE1026	0.22-0.28	0.15-0.35	0.6-0.9	0.040		0.050	/		/	/	/
4130	0.28-0.33	0.15-0.35	0.4-0.6	0.040		0.040	0.80-1.10		/	/	/
4140	0.36-0.43	0.15-0.35	0.705-1.0	0.040		0.040	0.80-1.10		/	/	/

Mechanical Property

Delivery condition	Cold finished(hard)(BK)		Cold drawn and stress-relieved(BK+S)
Steel grade	Rm MPa	Elongation A5%	Rm MPa	ReH Mpa	Elongation A5%
C20	≥550	≥5	≥520	≥375	≥15
CK45	≥645	≥5	≥600	≥520	≥10
Q355B	≥640	≥5	≥600	≥520	≥14
Q355D	≥640	≥5	≥600	≥520	≥14
E355(ST52)	≥640	≥5	≥600	≥520	≥14
SAE1026	≥640	≥5	≥600	≥520	≥15

Tolerance

Tolerance	I.D Tolerance			Tolerance of wall thickness
Size of I.D.	H8	H9	H10	Tolerance of wall thickness
30	0.033	0.052	0.084	<120mm(O.D) ≥120mm up to 210mm >210mm	±5% ±7.5% ±10%
>30-50	0.039	0.062	0.1
>50-80	0.046	0.074	0.12
>80-120	0.054	0.087	0.14
> 120-180	0.063	0.1	0.16
> 180-250	0.072	0.115	0.185
>250-315	0.081	0.13	0.21
>315-400	0.089	0.14	0.23

Advantages of cold drawn pipe

Excellent mechanical properties

Higher anti-squeeze strength and pressure capacity to ensure no deformation in high pressure downhole.

Accurate size and form tolerance

Ensure that the motor stator can be smoothly and concentrically installed in the tube, which is crucial for the efficiency and performance of the motor.

Excellent surface quality

Smooth inner wall reduces friction, facilitates motor installation, and contributes to heat dissipation.

our equipment

product-750-627

Thread cold drawn pipe for ESP motors is designed for demanding submersible pump systems. Made from high‑grade steel including 16Mn, E355, 25Mn, 20#, 45#, 304/316L stainless steel, and specialty alloys like 13Cr and Super 13Cr – ensuring strength and corrosion resistance.

The cold drawing process delivers precise dimensions, uniform diameter, and excellent straightness. Common sizes: 338, 400, 513, 538, 562, 675, 862, and 950. Lengths from 3 to 12 meters. Custom cutting, threading, and end finishing available.

Full quality control, Mill Test Certificates, and third‑party inspection supported. Anti‑rust oil and plastic end caps protect during shipping. Widely used in oil, gas, and water extraction.

Fast delivery, bulk capacity, and reliable quality – ready for ESP motor housings.

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Housing for Electric Submersible Pump Motors

Precision Cold Drawn Steel Pipe for Esp Pump Motor