Yantai Xinpeng Steel Pipe Co., Ltd.: Yantai, Shandong, China; Main products: hydraulic tube, precision tube, honed tube, mechanical tube, cold finished tube

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Home > Products > main products > Seamless steel Hydraulic cylinder honed tube

Seamless steel Hydraulic cylinder honed tube

FOB Price

USD $700 - $900 / Metric Ton

5 Metric Tons(Min. Order)

Port Qingdao
Payment TermsT/T

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Product Details

Thickness	2, 30	Section Shape	Round
Outer Diameter	30 - 250 mm	Place of Origin	Shandong, China
Secondary Or Not	Non-secondary	Application	Hydraulic Pipe
Technique	Cold Drawn	Certification	Other, ISO9001:2008
Surface Treatment	Other, honed/Surface polished	Alloy Or Not	Non-alloy

Product Description

Commodity name: Seamless steel Hydraulic cylinder honed tube

1.Grade: 20#(aisi1020,ck20),45#(ck45,aisi1045),st52(16Mn,Q345D),25Mn,27SiMn,42CrMO

2.ID:30-250mm

3.ID tolerance:H8,H9

4.Surface roughness:Ra 0.02— 0.4μm

5. Final supply condition:cold drawn and stress-relieved(BK+S

6. Machining allowance:0.5-1.5mm

7.Wall thickness:10%×ID

Specification:

Standard	DIN2391, DIN2445, EN10305, GB/T 3639, GB 8713
Grade	ST35(E235), ST37, ST24(E255), ST52(E355), 10#, 20#, 35#, 45#
O.D.	4.0MM-400MM
W.T.	0.5MM-18MM
Surface Treatment	bare, varnished, oiled, anti-corrosion coating as request
Packing	1. bundle packing 2. marking as per customer's requests 3. paint on the pipe as per customer request 4. pipe caps as customer request
Condition of Delivery	1. NBK(+N) after cold forming, eventually above phase transition point, in a protective atmosphere of annealing oxidation medium 2. GBK(+A) after cold forming, annealing in non oxidizing medium protective gas 3. BK(+C) the final heat treatment after cold forming, therefore small steel pipe plastically, the plastically degree does not guarantee 4. BKW(+LC) after final heat treatment, a tiny cold drawing deformation, continue again when machining steel pipe allowed inside certain limits cold deformation(bending, flaring) 5. BKS(+SR) have a stress relief after cold forming, heat treatment, steel pipe can be carried out within a certain limit in the appropriate processing again

Variety

Processing

Cylinder Diameter

Straightness

Size Accuracy

W.T/mm

Inner Bore Roughess

Cold drawn/

cold rolled

ID30-250

0.3

H9-H11

±10%

0.4~1.6um

Honed tube

ID50-250

0.3

H7-H9

±10%

<0.4um

Mechanics performance

Material	Tensile strength	Yield strength	Elongation	Hardness
Ck20/20#/AISI1020	>520 N/ mm²	>375 N/mm2	>15%	>85HB
Ck45/45#/AISI1045	>600 N/ mm²	>520 N/ mm²	>15%	>85HB
ST52/16Mn/Q345D	>600 N/ mm²	>520 N/ mm²	>15%	>85HB
25Mn/STKM 13C-T	>600 N/ mm²	>530 N/ mm²	>15%	>85HB

Dimension tolerance

ID size

ID deviation (mm)

H10

+0.021

+0.033

+0.052

+0.084

>30~50

+0.025

+0.039

+0.062

+0.100

>50~80

+0.030

+0.046

+0.074

+0.120

>80~120

+0.035

+0.054

+0.087

+0.140

>120~180

+0.040

+0.063

+0.100

+0.160

>180~250

+0.046

+0.072

+0.115

+0.185

>250~315

+0.052

+0.081

+0.130

+0.210

>315~400

+0.0527

+0.089

+0.140

+0.230

Delivey conditions

Standard packing with plastic caps and strapped bundles.
Commercial length 2000~10500mm,custom lengths upon request
Surface protection

We can supply cold drawn steel pipe,honed tube,hydraulic pipe,hydraulic cylinder tube.

Pretreatment : Acid cleaning- Parkerizing

Cold drawn/cold rolled

Annealing furnace—— stress-relieving (+SR)

Straightener—— Straightening/ Leveling

Straightness inspecting

Dimension inspecting

Sawing off not good parts

Lathe

Surface Polishing

Finished Products

Application:

hydraulic cylinder tube st52 din2391 widely used in hydraulic system with precision steel tube, injection molding machine with precision steel tube, hydraulic press with precision steel tube, shipbuilding with steel tube, EVA foaming, hydraulic machinery, hydraulic cutting machine, shoe making machinery, hydraulic equipment, high pressure tubing, hydraulic tubing, card sets of joints, pipe joints, rubber machinery, forging machinery, casting machinery, engineering machinery, automotive high pressure steel pipe concrete pump, sanitation vehicle, automobile industry, shipbuilding industry, metal processing, military industry, diesel engine, the internal combustion engine, air compressor, construction machinery, forestry machinery, etc.

Contact Us

Yantai Xinpeng Steel Pipe Co., Ltd.: Contact nameJudy Gao
Chat Now; Phone0086-535-6835398; Address2th,Binglun Road,APEC Technology Industrial Park,Zhifu District,Yantai City, Yantai, Shandong

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Seamless steel Hydraulic cylinder honed tube

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