Mr. Hui tong

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Mr. Hui tong

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Home> Products> Steel Pipe> Honed Steel Tubing> Honed Tube Steel Seamless Pipe St37
Honed Tube Steel Seamless Pipe St37
Honed Tube Steel Seamless Pipe St37
Honed Tube Steel Seamless Pipe St37
Honed Tube Steel Seamless Pipe St37
Honed Tube Steel Seamless Pipe St37
Honed Tube Steel Seamless Pipe St37

Honed Tube Steel Seamless Pipe St37

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Payment Type:L/C,T/T,D/P,Money Gram,Western Union
Incoterm:FOB,CFR,CIF,EXW
Transportation:Ocean,Land,Express
Port:Qingdao,Tianjin,Shanghai
Product Attributes

Model No.St37

BrandH-TONG

StandardBs, Gb, Astm, Jis, Din, Api

MaterialA53-A369, 10#-45#, Stb35-Stb42, Stpa22-Stpa26, Q195-Q345, St35-St52, Cr-Mo Alloy

Section ShapeRound

Place Of OriginChina

ApplicationHydraulic Pipe, Boiler Pipe, Fluid Pipe, Gas Pipe, Oil Pipe, Structure Pipe

Production ProcessHot Rolled

CertificationBsi, Ul, Api

Special TubeApi Pipe, Thick Wall Pipe

Whether AlloyIs Alloy

Tolerance±1%

CategorySeamless Steel Pipe

Processing ServiceBending, Welding, Decoiling, Punching, Cutting, Welding, Decoiling, Punching, Cutting

Section ShapeRound

HS Code730419

CertificateAPI, JIS, ISO9001

Tolerance±1%

Outer Diamete6 - 530 mm or According to Customer Requirements

Thickness2 - 50 mm or According to Customer Requirements

SurfaceAccording to Customer Requirements

Length12M, 6.4m, 6m or Customized

Surface TreatmentHot Rolled

Packaging & Delivery
Selling Units : Ton
Package Type : Anti-water Paper and Plastic or Covered by Iron Sheet or Strapped with Three Strapping Strips
Picture Example :
Honed Steel Pipe
Honed Steel Tube
Product Description

The quilted Steel Pipe is a high-precision steel pipe material processed by cold drawing or hot rolling. Seamless Steel Pipes Because the inner and outer walls of precision steel pipes have no oxide layer, high pressure without leakage, high precision, high smoothness, cold bending without deformation, flaring, flattening without cracks, etc., Hydraulic Cylinder Tube they are mainly used to produce pneumatic or hydraulic components, such as cylinders or Cylinder, can be seamless tube.Other similar products are: GI Steel Pipe, ERW Steel Pipe , Honed Steel Tubing, Weld Steel Pipe.

Honed Pipe Honed Tube


1. Description: Honed Tube is a kind of smooth bore Steel Tube used to manufacture hydraulic cylinder barrels that is the core part of a piece of hydraulic cylinder. 
2. Commodity: Cold drawn seamless honed tube for hydraulic cylinder

3. Size range: 40mm*30mm-580mm*500mm

4. Available steel grade: 

EN 10305-1

E195, E235, E355, C35E, C45E, E410, E470, S355J2, S355J2G3, 25CrMo4, 34CrMo4, 42CrMo4

DIN 2391-2

ST37, ST44, ST52

ASTM A519

1010, 1020, 1026, 1045, 1518, 1524, 1541, 4130, 4140, 4145, 4340, 8620

JIS

STKM 13A, STKM 13B, STKM 13C

GB

Q345B, 25Mn, 16Mn, Q345D, Q345E, 20#, 45#, 20CrMo, 25CrMo, 30CrMo, 35CrMo, 42CrMo

5. Manufacture method: Cold rolled, hydraulic cold drawn, hot rolled+deep hole boring

6. Delivery condition:

BK

BKW

BKS

GBK

NBK

Q+T

+C

+LC

+SR

+A

+N

Cold rolled

Cold drawn

Stress relieved

Annealed

Normalized

Quenched+Tempered

7. Bore treatment: Honing, skiving&roller burnishing

8. Bore roughness control: Ra0.25um max or Ra0.35um max for honed tubes, Ra0.25um max for skived&roller burnished tubes.

9. End finish: Plain ends with square cuts, free of burrs for honed tubes. Little bevelled ends for skived&roller burnished tubes.

10. Standard export packing: In bundles tied with steel strips. Int&ext oil coating. End plastic caps. External packing by PVC bags and knit bags.

11. Customized packing and marking can be provided upon request.


Hydraulic Cylinder Tube------Used in the hydraulic cylinder of the heavy machinery, Cranes, excavator also forklifts. Material is various, mainly STKM-13CT ST52 CK45 and 1020. We can work and get the mechanical property of the clients need and extended the life of the hydraulic cylinder.
Honed tube ----- used in Elevator buffer and Hydraulic Cylinder .This kind tube have a better roughness inner the tube,ra0.2-0.4um and can use directly in the hydraulic cylinder tube. Range: ID 50-250mm and Length can work at most 6M.
Cold finished tube---- Widely Used. Processing range 30-300mm, biggest length is 11M.

Hydraulic Cylinder Honing Tube

Inside Dia

(mm)

ID Tolerance (mm)

WT Tolerance

(mm)

H7

H8

H9

H10

≤30

+0.021/0

+0.033/0

+0.052/0

+0.084/0

±7.5%

>210mm ±10%

30 - ≤50

+0.025/0

+0.039/0

+0.062/0

+0.100/0

50 - ≤80

+0.030/0

+0.046/0

+0.074/0

+0.120/0

80 - ≤120

+0.035/0

+0.054/0

+0.087/0

+0.140/0

120 - ≤180

+0.040/0

+0.063/0

+0.100/0

+0.160/0

180 - ≤250

+0.046/0

+0.072/0

+0.115/0

+0.185/0

250 - ≤315

+0.052/0

+0.081/0

+0.130/0

+0.210/0

315 - ≤700

+0.057/0

+0.089/0

+0.140/0

+0.230/0


Steel Grade

Chemical Composition %

C

Si

Mn

P

S

Al

20#

0.17-0.24

0.17-0.37

0.35-0.65

0.035

0.035

/

45#

0.42-0.50

0.17-0.37

0.50-0.80

0.035

0.035

/

Q345B

≤0.2

≤0.5

1.00-1.60

0.03

0.03

/

Q345D

≤0.2

≤0.5

1.00-1.60

0.03

0.03

0.015

25Mn

0.22-0.29

0.17-0.37

0.70-1.00

0.035

0.035

/

27SiMn

0.24-0.32

1.10-1.40

1.10-1.40

0.035

0.035

/

ST52

≤0.22

≤0.55

≤1.6

0.025

0.025

/

SAE1026

0.22-0.28

0.15-0.35

0.60-0.90

0.04

0.05

/


Delivery Condition

Cold Finished (hard) (BK)

Cold Drawn and Stress-relieved (BK+S)

Steel Grade

Tensile Strength
(Mpa)

Elongation
(%)

Tensile Strength
(Mpa)

Yield Strength
(Mpa)

Elongation
(%)

20#

≥550

≥8

≥520

≥375

≥15

45#

≥640

≥5

≥600

≥520

≥10

16Mn

≥640

≥5

≥600

≥520

≥14

25Mn

≥640

≥5

≥600

≥510

≥15

27SiMn

≥800

≥5

≥760

≥610

≥10

ST52

≥640

≥5

≥600

≥520

≥14

SAE1026

≥640

≥5

≥600

≥510

≥15


Product Show

Honed Tube


Packing and Shipping

Honed Steel Tube


FAQ

Q1:Can you send samples?

A:Of course, we can provide customers with free samples and express shipping service to all over of the world.

Q2:What product information do I need to provide?

A:Please kindly provide the grade, width, thickness, surface treatment requirement should you have and quantities you need to purchase.

Q3:It's my first time to import steel products, can you help me with it?

A:Sure,we have agent to arrange the shipment, we will do it together with you.

Q4:What ports of shipment are there?

A:Under normal circumstances, we ship from Shanghai, Tianjin, Qingdao, Ningbo ports, you can specify other ports according to your needs.

Q5:What about product prices information?

A:Prices various according to periodic price changes of raw materials.

Q6:What is your terms of payment ?

A:Payment<=1000USD, 100% in advance. Payment>=1000USD, 30% T/T in advance ,balance before shipment or based on BL copy or LC at sight.

Q7:Do you provide custom made Products service?

A: Yes,if you have your own design , we can produce according to your specification and drawing.

Q8:What are the certifications for your products?

A:We have ISO 9001, MTC, third parties’ inspections are all available such SGS, BV ect.

Q9:How long does your delivery time take?

A:In general, our delivery time is within 7-15 days, and may be longer if the quantity is extremely large or special circumstances occur.

Q10: How many countries you already exported to?

A:We have exported to America, Canada, Brazil, Chile, Colombia, Russia, Ukraine, Thailand, Myanmar, Vietnam, India, Kenya, Ghana,somalia and other African countries.Our export experience is rich, we familiar with different market demands, can help customers avoid a lot of trouble.

Q11:Can I go to your factory to visit?

A:Of course, we welcome customers from all over the world to visit our factory.

Q12:Does the product have quality inspection before loading?

A:Of course, all our products are strictly tested for quality before packaging, and unqualified products will be destroyed and customers can appoint third parties to inspect the products before loading too.

Q13:How to pack the products?

A: Standard export sea-worthy packaging, the inner layer has a waterproof paper outer layer with iron packaging and is fixed with a fumigation wooden pallet. It can effectively protect products from corrosion and various climate changes during ocean transportation.

Q14:What is your working time?

A:In general, When you first contacted us, our online service time is Beijing time: 8:00-22:00, after 22:00, we will reply to your inquiry in the coming working day. Business in progress, we will be online 24 hours for you.

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