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Thickness:
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Surface Treatment:
Application:
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Specifications

ASTM A106 Round Seamless Hydraulic Cylinder Pipe , Precision Annealed Steel Tubes

 

 

Quick Detail:

 

Standards: ASTM A106 Grade B

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

Size(mm):

ID :45mm – 500mm

WT:3mm – 50mm

 

 

Description:

 

Standards: ASTM A106 Grade B (20#)

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

Grade: ASTM A106 Grade B (20#)

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

>80-120

+0.0540

+0.0870

+0.1400

>120-180

+0.0630

+0.1000

+0.1600

>180-250

+0.0720

+0.1150

+0.185

>250-315

+0.0810

+0.1300

+0.2100

>315-400

+0.0890

+0.1400

+0.2300

 

 

 

Mechanical Propety:

 

Material: 20# 45#,16Mn St45, St52, 25Mn,27SiMn, SAE1026.SAE1518 etc.

STANDARD: GB/T8713 GB/T3639 DIN2391 EN10305 ASTM A519

 

Delivery condition

cold finished(hard)(BK)

cold drawn and stress relieved(BK+S)

STEEL GRADE

Rm  MPa

Elongation (%)

Rm  MPa

ReH  MPa

Elongation (%)

ASTM A106 Gr.B

≥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

ST45

≥ 550

≥ 5

≥ 520

≥ 375

≥ 15

E355(ST52)

≥ 640

≥ 5

≥ 600

≥ 520

≥ 14

SAE1026

≥ 640

≥ 5

≥ 600

≥ 510

≥ 15