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Precision Cold-Drawn Hydraulic Cylinder Pipe
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Precision Cold-Drawn Hydraulic Cylinder Pipe

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Thick Wall Precision Cold-Drawn Hydraulic Cylinder Pipe with DIN2391 ST45 E355 ST52 Standard

 

 

Quick Detail:

 

Standards: GB 8713-88 GB/T3639-2000

Material Grade: A519 SAE1026 / A519 SAE1518 / 16Mn / 25Mn / 20# / 45# / 27SiMn / ST45 / ST52 / E355

Size(mm):

ID :45mm – 500mm

WT:3mm – 50mm

 

 

Description:

 

Standards: GB/T8713 GB/T3639

(GB/T8713 GB/T3639 DIN2391 EN10305 ASTM A519)

Grade: 27SiMn

Inside Dimensions: 45mm ~ 500mm

Wall Thickness: 3mm ~ 50mm

Length: max 24000mm

Application: Hydraulic Cylinder

Packing: Beveled/black painting/ plastic caps/ in bundles/ steel strips/ wooden protection
Inspection and Test: Chemical Composition Inspection, Mechanical Properties Test(Tensile Strength, Yield Strength,Elongation, Flaring, Flattening, Bending, Hardness, Impact Test),Surface and Dimension Test,Nodestructive Test, Hydrostatic Test.
Surface treatment:Oil-dip, Varnish, Passivation, Phosphating, Shot Blasting.
Mark: As per customers’ requested.

Delivery Condition:Annealed, Normalized, Normalized and Tempered.

 

 

Processing Range And Precision:

 

Cold Drawn Tubes:

ID:45mm-630mm

Length:14,000mm

Straightness:0.3-1.0

Precision:H8-H10

Roughness:Ra0.8-Ra1.6

Honing Tubes:

ID:25mm-500mm

Length:10,000mm

Straightness:0.3

Precision:H7-H8

Roughness:Ra0.2-Ra0.8

 

 

ID Tolerance of Precision Honed Tubes:

 

SIZE of I.D

I.D.Tolerance

Tolerance of wall thickness

H8

H9

H10

30

+0.0330

+0.0520

+0.0840

<120mm(O.D)                 ±5%

≥120mm(D.D) to 210mm  ±7.5%

>210mm                         ±10%

>30-50

+0.0390

+0.0620

+0.1000

>50-80

+0.0460

+0.0740

+0.1200

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Mr. Charlie Zhu
Tel: 86-25-58439035
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Huacheng Industry Pipe Making Corporation.
337 Renmin(E), Tangqiao Town, Zhangjiagang City, Nanjing, Jiangsu, China (Mainland)
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