CN



：

Homepage

Steel Pipe

Cold Drawn Pipe

Cold drawn pipe

Steel Pipe

All categories



Number of views:

1000

Cold drawn pipe

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.

Category

Return



Product description

Parameters

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,T12,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 drawing)
	3. BKS (+SR)	After the final cold forming process the tubes are stress relieve 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 above 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.

1. Chemical Composition

Steel grade	Chemical composition %
	C	Si	Mn	P	S		Cr	Ni		V	AI
				≤						≥
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		/	/	/

2.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

3.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) ±5% ≥120mm up to 210mm ±7.5% >210mm ±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

Hot Tags:

st52 seamless cold drawn steel tube, steel pipe China, steel pipe manufacturers, honed pipe factory,precision steel pipe, customized precision steel pipe,cylinder pipe,piston rod, hollow piston rod.

Keyword:

st52 seamless cold drawn steel tube

steel pipe China

honed pipe factory

precision steel pipe

cylinder pipe

None

 Hydraulic Cylinder Chrome Plated Bar

Chrome plated bar is chromium-plated steel product that can be supplied as piston rods in standard hydraulic and pneumatic applications.

READ MORE 

 ready to honed tube

Skived Roller Burnished Tube; Chrome Plated Tube; Ready to honed tube; Large size honed bore tube;

READ MORE 

 Steel tube core for Aluminum foil

st52 seamless cold drawn steel tube, steel pipe China, steel pipe manufacturers, honed pipe factory,precision steel pipe, customized precision steel pipe,cylinder pipe,piston rod, hollow piston rod, textile scroll pipe, Steel tube core for Aluminum foil.

READ MORE 