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Home ProductsHydraulic Cylinder TubeCold Drawn Hydraulic Cylinder Tube ASTM A519 Max 12000mm Length Pipe
Cold Drawn Hydraulic Cylinder Tube ASTM A519 Max 12000mm Length Pipe
Cold Drawn Hydraulic Cylinder Tube ASTM A519 Max 12000mm Length Pipe Cold Drawn Hydraulic Cylinder Tube ASTM A519 Max 12000mm Length Pipe Cold Drawn Hydraulic Cylinder Tube ASTM A519 Max 12000mm Length Pipe Cold Drawn Hydraulic Cylinder Tube ASTM A519 Max 12000mm Length Pipe Cold Drawn Hydraulic Cylinder Tube ASTM A519 Max 12000mm Length Pipe
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Cold Drawn Hydraulic Cylinder Tube ASTM A519 Max 12000mm Length Pipe

Minimum Order Quantity : 2 tons Price : USD1850-2000 per ton
Packaging Details : Oil protection in bundles or in carton boxes or wooden boxes Delivery Time : 30-45 days
Payment Terms : L/C, T/T, D/A, D/P, Western Union, MoneyGram Supply Ability : 6000MT/Month
Brand Name: Torich Certification: GB/T 19001-2008 , ISO 9001:2008 , TS16949
Model Number: GB/T3639、GB/T8713、EN10305-1:2002、EN10305-2:2002、 ASTM A519-2006、ASTM A513-2007、GB/T1591-2008、GB/T17396-2009

Detail Information
Place Of Origin: Zhejiang, China (Mainland) Type:: Hydraulic Cylinder Tube
Material:: 20#、45#、Q345B、Q345D、25Mn、27SiMn、E355 I.D.:: 40-400mm
W.T.:: ≥5mm Technique:: Cold Draw
Alloy Or Not:: Non-alloy Length: Up To 12000mm According To Customer's Requirement
Surface Treatment: As Customer's Required
High Light:

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Product Description

ASTM A519 DOM Tube For Hydraulic Cylinder And Pneumatic Cylinder

 

 

 

Standard :  GB/T3639, GB/T8713, EN10305-1:2002, EN10305-2:2002,
                      ASTM A519-2006, ASTM A513-2007, GB/T1591-2008, GB/T17396-2009

Material:       20#, 45#, Q345B, Q345D, 25Mn, 27SiMn, E355

 

 

 Hydraulic and pneumatic cylnder tube standard/size/tolerance
 

 Working method


Tube ID

(mm)

 Length

(m)
Straightness
(mm/m)

 Tolerance 

on ID

 Tolerance 

on WT


 ID Roughness

(um)
Cold Draw 40-400 ≤12m 0.2-0.5 　/ ±5% ≤1.6
Cold Rolled 40-150 ≤12m 0.2-0.5 　/ ±5% ≤0.8
Cold Draw-Honed 40-400 ≤8m 0.2-0.3 H8-H9 ±5% ≤0.4
Cold Draw-Rolling 50-300 ≤8m 0.2-0.3 H8-H9 ±5% ≤0.4
Deep hole boring-Roing  250-400 ≤8m 0.2-0.3 H8-H9 ±8% ≤0.8
Deep hole boring-Honed Roing 250-400 ≤8m 0.2-0.3 H8-H9 ±8% ≤0.4

 

 Mechancial property
　

                   Final supply                      condition 

 

 

 

Steel grade

 Cold finished(hard)(BK) (Cold drawn and stress-relieved(BK+S)

T.S

bN/mm2

  Elogation  5% T.S bN/mm2 Y.S Bn/mm2  Elogation 5% Hardness HB  Impact value(-20℃)J
20 ≥550 ≥8 ≥520 ≥400 ≥15 170 /
45 ≥680 ≥5 ≥630 ≥520 ≥12 190 /
Q345B ≥660 ≥8 ≥620 ≥520 ≥15 190 /
Q345D ≥660 ≥8 ≥620 ≥520 ≥15 190 ≥27
25Mn ≥640 ≥8 ≥620 ≥510 ≥15 190 /
27SiMn ≥780 ≥5 ≥700 ≥580 ≥10 210 /
E355 ≥700 ≥8 ≥650 ≥580 ≥15 195 ≥27

 

 Chemecal composition
　

Steel grade		 C Si Mn P S Cr Ni Cu V
20 0.17-0.23 0.17-0.37 0.35-0.65 ≤0.035 ≤0.035 ≤0.25 ≤0.30 ≤0.25 /
45 0.42-0.50 0.17-0.37 0.50-0.80 ≤0.035 ≤0.035 ≤0.25 ≤0.30 ≤0.25 /
Q345B ≤0.20 ≤0.50 ≤0.17 ≤0.035 ≤0.035 ≤0.30 ≤0.50 ≤0.30 ≤0.15
Q345D ≤0.18 ≤0.50 ≤0.17 ≤0.030 ≤0.025 ≤0.30 ≤0.50 ≤0.30 ≤0.15
25Mn 0.24-0.32 1.10-1.40 1.10-1.40 ≤0.035 ≤0.035 ≤0.30 ≤0.30 ≤0.20 /
27SiMn 0.22-0.29 0.17-0.37 0.70-1.0 ≤0.035 ≤0.035 ≤0.25 ≤0.30 ≤0.25 /
E355 ≤0.22 ≤0.50 ≤1.60 ≤0.035 ≤0.025 / / / /

 

(Tolerance on ID) um
　
ID Size (Tolerance on ID)um
H7 H8 H9 H10
30 +21
0		 +33
0		 +52
0		 +84
0
>30-50 +25
0		 +39
0		 +62
0		 +100
0
>50-80 +30
0		 +46
0		 +74
0		 +120
0
>80-120 +35
0		 +54
0		 +87
0		 +140
0
>120-180 +40
0		 +63
0		 +100
0		 +160
0
>180-250 +46
0		 +72
0		 +115
0		 +185
0
>250-315 +52
0		 +81
0		 +140
0		 +210
0
>315-400 +57
0		 +89
0		 +170
0		 +230
0

 

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