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Cold Drawn Seamless Steel Tube With Heat Treatment For Motorcyle Shock Absorber

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Cold Drawn Seamless Steel Tube With Heat Treatment For Motorcyle Shock Absorber

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Brand Name : HONGBAO

Certification : TS16949, ISO9001, OHSAS18001 etc.

Place of Origin : China

MOQ : 1 ton

Price : Negotiable

Supply Ability : 60000 MT per year

Delivery Time : 30-45 days

Packaging Details : Seaworthy Wooden box, customized Packing

Model Number : HBPST-1

Material : E235, E355

Standard : EN10305-2

Shape : Round

Technique : Cold Drawn

Certificate : TS16949,DNV,PED,ISO,TUV,LR

Origin : Jiangsu,China

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Cold Drawn Weld Steel Tube EN10305-2 (DIN2393) Automotive Part Camshaft Pipe

Manufacturing Process

Cold Drawn Weld Steel Tube is called as DOM, It is produced by drawing ERW (electric resistance welded tube).During this process the sizing (wall thickness, inside and outside diameter), as well as weld integrity and surface finish is closely controlled to produce tube of the required size and mechanical property characteristics.

Material E235,E355
OD 6-80mm
WT 0.5-10mm
Standard EN10305-2, DIN2393
Technique Cold Drawn

Chemical Compositions

Steel Number Quality Level Thickness/mm Deoxidize Method C(%)≤ Si(%)≤ Mn(%)≤ P(%)≤ S(%)≤
E235(Fe360)

A

B

C

D

≤16

>16-25

≤40

>40

N

-

-

E

NE

NE

GF

0.22

0.17

0.20

0.17

0.20

0.17

0.17

-

0.40

0.40

0.40

0.40

0.40

0.40

-

1.40

1.40

1.40

1.40

1.40

1.40

0.050

0.045

0.045

0.045

0.045

0.040

0.035

0.050

0.045

0.045

0.045

0.045

0.040

0.035

E355(Fe510)

C

D

≤30

>30

≤30

>30

NE

NE

GF

GF

0.20

0.22

0.20

0.22

0.55

0.55

0.55

0.55

1.60

1.60

1.60

1.60

0.040

0.040

0.035

0.035

0.040

0.040

0.035

0.035

Deliver condition:
1) +C No heat treatment after the final cold drawing process
2) +LC After the final heat treatment there is a suitable drawing pass
3) +SR After the final cold drawing process there is a stress relieve heat treatment in a controlled atmosphere
4) +A After the final cold drawing process the tubes are annealed in a controlled atmosphere
5) +N After the final cold drawing operation the tubes are normalized in a controlled atmosphere

Advantage (compare with seamless cold drawn tube)

Better shape

Improved quality surface

Tight Excentricity and wall thickness tolerances (the eccentric

Tube more safety

Good toughness at low temperature

USA Market: 90% of the cylinder in the USA market are produced with welded tubes

Cost fix Lengths More Cheaper

Capacity

NO. WeldingTypical Specification

Unit Speed

(m/min)

Working Time

(Hour)

Capacity

(Ton)

Ratio of Total output
1 Φ34×6 18 1211 11200 56%
2 Φ28×5.2 20 1522
3 Φ38×4.5 28 883 5500 27.5%
4 Φ50.8×2.3 60 114 1130 5.6%
5 Φ55×3 50 190 2170 10.8%
Total 3920 20000 100%

Application

Automotive Part

Hydraulic System

High-precsion Machining

Others

Trade Imformation

Trade term: FON, CIF,EXW.

MOQ: 1000KG

Payment: T/T; L/C.

Sample: Free sample but postage in required.

Delivery Time:30-45 days.

Packaging: Seaworthy Wooden box, customized packing.

Others: For other detail requirements plesase send inquiry to us.

Test:

Tubes are controlled 100% by Ultrasonic test, Eddy Current Test. Also we have our own lab to control the quility of material and products.

Cold Drawn Seamless Steel Tube With Heat Treatment For Motorcyle Shock Absorber


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