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honed tube

FOB Price 1 - 2 USD / kg
Quantity 1 - 500
Price 1
MOQ1 ton
Portshanghai
Packagingexport standard package
Lead Time20-30days

Product Details

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 steel pipe.

Product Name

Pig pipelines

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

30

0.033

0.052

0.084

 

 

 

>30-50

0.039

0.062

0.1

 

 

 

>50-80

0.046

0.074

0.12

<120mm(O.D)

±5%

>80-120

0.054

0.087

0.14

≥120mm up to 210mm

±7.5%

>120-180

0.063

0.1

0.16

>210mm

 

±10%

>180-250

0.072

0.115

0.185

 

 

 

>250-315

0.081

0.13

0.21

 

 

 

>315-400

0.089

0.14

0.23

 

 

 

4.Processing Form

Processing

I.Dmm

Length

Straightness

I.D tolerance

I.D Roughness (RA)

form

Honed

40-500

≤12M

0.5-1/1000

H8-H9

0.4-0.8um

SRB

50-250

≤12M

0.5-1/1000 

H8

0.1-0.4um

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