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WUXI SYLAITH SPECIAL STEEL CO.,LTD
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Cold Drawing Galvanized Steel Pipe For Military , BK BKS BKW ST44 Square Steel Tube

WUXI SYLAITH SPECIAL STEEL CO.,LTD
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Cold Drawing Galvanized Steel Pipe For Military , BK BKS BKW ST44 Square Steel Tube

Place of Origin : Jiangsu China (Mainland)

Brand Name : WUXI SYLAITH

Certification : SGS ISO ROHS

Model Number : ST44

MOQ : 1 MT

Packaging Details : Exporting package/wooden box package/Or per customers’ requirement

Delivery Time : 3~10 days

Payment Terms : L/C, T/T

Supply Ability : 8000MT/Month

Price : Negotiable

Application : Machinery Automobile Atuo Oil cylinder tube|Military Railway industry

Delivery Condition : Annealed|Normalized|Heat treatment|BK|BKS|BKW|NBK|GBK

Grade : St 44.4 / St45

Section Shape : Square

Standard : EN 10305-4|EN 10305-1|DIN 2391|DIN1630|ASTM B633-07

Surface treatment : Galvanized

Technique : Seamless/ Cold Drawn

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Cold Drawing Galvanized Steel Pipe for Military , BK BKS BKW ST44 Square Steel Tube

Our Steel Pipe Advantange:

1. 100% after-sales quality and quantity assurance.
2. Quick reply within 24 hours.
3. Large Stock for regular sizes.
4. Free sample 20cm high quality.
5. Strong produce capability and capital flow.

Product Name Cold Drawing Galvanized Steel Pipe
Material St 44.4 / St45
Standard DIN 2391 / DIN1630 / EN 10305-4 / EN 10305-1
Outer Diameter 15mm-1200mm
Wall Thickness SCH10,SCH20,SCH30,STD,SCH40,SCH60,SCH80,SCH100,SCH120,SCH160,XS,XXS
Length 1m,4m,6m,8m,12m according to buyer's request
Surface Treatment galvanized,
Marking Standard marking,or according to your request.Marking Method:Spray white paint
End Treatment Plain End/Bevelled End/Grooved End/Threaded End With Plastic Caps
Technique Hot Rolled or Cold Rolled ERW
Package Loose package;Packaged in bundles(2Ton Max);bundled pipes with slings at the both end for easy loading and discharging;wooden cases;waterproof woven bag
Test Chemical Component Analysis,Mechanical Properties,Technical Properties,Exterior Size Inspection,hydraulic testing,X-ray Test
Application Liquid delivery,structure pipe,construction,petroleum cracking,oil pipe,gas pipe

Description:

Dimensions of the galvanized tubes for hydraulic and pneumatic lines:

Outside diameter ranges from 6 to 350 mm and the wall thickness ranges from 0.8 to 30 mm. Precision steel tubes are delivered according to EN 10305-4, DIN 2391-1, STN 42 6711 and 42 6712, ČSN 42 6711 and 42 6712.

Synopsis of Process Routing:

DIN highly accurate cold drawn bright seamless steel tube is used as the tube to be galvanized, the outer wall is electroplated, caps are covered at two ends of tube to prevent from the dust.

Main Features:

Different color of zinc such as white, yellow, army-green, black is evenly distributed in the surface of the tube, good brightness and antirust and antisepsis could improve after zinc coated.

Length of the galvanized tubes:

in diameter <= 16 mm >=6000 + 100 mm
in diameter >= 16 mm <=24000 + 50 mm

Tolerances of the zinc coated tubes:

-tolerances of the outside diameter:

diameter between 4 - 30 mm

±0,08 mm

diameter between 35 - 38 mm

±0,15 mm

diameter above 42 mm

±0,20 mm

-tolerances of the inside diameter are according to EN 10305-4

-tolerance of the wall thickness ± 10%

The Main Steel grades for the zinc coated tubes:

St 30 Si / St 30 Al / St 35 / St37.4 / St45 / St 52 / St52.4 / E235, E255,E355

DIN 2391 / EN 10305-1/ EN 10305-4

Precision seamless tube and pipe with European&Germany standard

Application:

for Atuo;for machinery use; Oil cylinder tube; Motorcycle shock reducer steel tubes; Auto shock reducer inner cylinder.

Size(mm):

O.D.:6mm-350mm ; W.T.:1-30mm; L:max 24000

Grade and Chemical Composition(%):

Grade

Chemical Composition(%):

C max

Si max

Mn

P max

S max

St 45

0.21

0.35

≥0.40

0.025

0.025

St 35

0.17

0.35

≥0.40

0.025

0.025

St 30 Si

0.10

0.30

<=0.55

0.025

0.025

St 30 Al

0.10

0.05

<=0.55

0.025

0.025

St 52

0.22

0.55

≤1.60

0.025

0.025

Condition on delivery:

Steel Grade

BK

BKW

GBK

NBK

Code No.

Tensile

Strength

N/mm2 min

Elongation at rupture N/mm2 min

Tensile

Strength

N/mm2 min

Elongation at rupture N/mm2 min

Tensile

Strength

N/mm2 min

Elongation at rupture N/mm2 min

Tensile

Strength

N/mm2 min

Elongation at rupture N/mm2 min

St 45

540

5

470

8

390

21

440-570

21

St 35

440

6

370

10

315

25

340-470

25

St30 Si

400

8

330

12

280

30

290-420

30

St30 Al

400

8

330

12

280

30

290-420

30

St 52

590

4

540

7

490

22

490-630

22

Final supply conditions:

Designation

Symbol

Description

Cold finished (hard)

BK

Tubes do not undergo heat treatment following the final cold forming and, thus, have a rather high resistance to deformation.

Cold finished (soft)

BKW

The final heat treatment is followed by cold drawing involving limited deformation. Appropriate further processing allows a certain degree of cold forming (e.g. bending, expanding).

Cold finished and stress-relieved

BKS

Heat treatment is applied following the last cold forming process. Subject to appropriate processing conditions, the increase in the residual stresses involved enables both forming and machining to a certain degree.

Annealed

GBK

The last cold forming process is followed by annealing in a controlled atmosphere.

Normalized

NBK

The last cold forming process is followed by annealing above the upper transformation point in a controlled atmosphere.

Galvanized tube category and related standard:

Galvanized tube category and related standard

Galvanized tube category

Related Standard

Zinc coating thickness

Salt spray test

Gr3+ Galvanized tube with blue and white zinc

ASTM B633-07
(Type III,SC 1/2/3/4)

5-25um

24--72 hours without white rust;48--168 hours without red rust

Gr3+ Galvanized tube with color zinc

ASTM B633-07
(Type II,SC 1/2/3/4)

5-25um

48--96 hours without white rust;48--240 hours without red rust

Gr6+ Galvanized tube with color zinc

ASTM B633-98
(Type II,SC 1/2/3/4)

5-25um

24--96 hours without white rust;48--124 hours without red rust

Applications:

Zinc coated precision steel tubes (galvanized tubes) are destined for hydraulic and pneumatic pressure distribution (so called HPL tubes), production of automobile components, utility vehicles as well as for production of machine products such as fittings and joints. Cold drawn precision tubes are used as the semi-finished product and they are made from rolled seamless tubes. Precision tubes HPL types are made from carbon and alloyed steel.


Application areas:

Automotive, military, railway industry, with high requirement of the tubes brightness, cleanness, antirust, and antisepsis.

Product Photo

Cold Drawing Galvanized Steel Pipe For Military , BK BKS BKW ST44 Square Steel Tube

Factroy Pictures

Cold Drawing Galvanized Steel Pipe For Military , BK BKS BKW ST44 Square Steel Tube

Pipe & Tube Processing

Cold Drawing Galvanized Steel Pipe For Military , BK BKS BKW ST44 Square Steel Tube

Application

Cold Drawing Galvanized Steel Pipe For Military , BK BKS BKW ST44 Square Steel Tube

Packaging & Shippping

Cold Drawing Galvanized Steel Pipe For Military , BK BKS BKW ST44 Square Steel Tube

Cold Drawing Galvanized Steel Pipe For Military , BK BKS BKW ST44 Square Steel Tube

Certificates

Cold Drawing Galvanized Steel Pipe For Military , BK BKS BKW ST44 Square Steel Tube

FAQ

Q1: ARE YOU FACTORY OR TRADER?
A1: Wuxi
Sylaith Special Steel Co.,Ltd is a manufacturer of steel pipe and tube since 2010. We've gained our Export Right and become an integrated company of industry and trade in order to satisfy buyer's multi-request on different material and products.

Q2: WHICH MATERIAL/PRODUCTS YOU CAN PROVIDE?
A2: Seamless Stainless Steel Pipe / Tube, Seamless Carbon Stainless Steel Pipe /Tube,Galvanized Steel Tube witn any Shape and Welded pipes can also be available.

Q3: HOW TO GET A SAMPLE?
A3: FREE samples are available for your checking and testing. And to get free samples, you need to send us you detailed receiving address (including post code) and your DHL/FedEx/UPS account for collecting samples, courier cost will be paid in your side.

Q4: CAN YOU PRODUCE THE PRODUCTS ACCORDING TO MY OWN DRAWINGS?
A4: Yes, we can produce the products according to your drawings that will be most satisfy you.

Q5: HOW TO VISIT YOUR FACTORY?
A5: Most of the main cities have flights to Shanghai; you can take flight to Shanghai Putong/Hongqiao International Airport.
If you come from Hongkong, it will take 2 hours by flight (every day 5 flight around noon time)


Product Tags:

galvanized steel tubing

      

square steel tube

      
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