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Special-Shaped Seamless Steel Tube/Pipe

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St52 Hexagonal Shaped Seamless Steel Tube

Detailed Parameters

Our company can produce all kinds of complex fracture surface combination for thick and thin precision shaped steel pipe, tube inside and outside straight tooth, spiral tooth pipes, hexagonal steel tube, octagonal steel tube, square and rectangular steel tube, oval tube,and the longitudinal diameter with different wall thickness size shaped steel tube . 


We also can produce all kinds of cold-drawn round steel bar, flat steel bar, square steel, hexagonal bar and other various special-shaped steel bar etc. Our factory can produce products according to Chinese standard GB, American standard ASME/ASTM, Japan JIS standard, Germany standard DIN. In addition, we can also supply the internal control of enterprise standard which higher than the above standard.In a word, we can customized different products according to our customer’s specific requiremen

Dimension, Angle,Tolerance

EN10210-2(Germany)

GB6728-2002(China)

 

Length   of a side(A,B mm)

maximum   tolerance<=±1%

under50

±0.5

under250

±2.0

Minimum     tolerance=±0.5

under100

±1%

under300

±2.4

 

under150

±1.2

under350

±2.8

 

under200

±1.6

under400

±3.2

Plane degree(mm)

under100

under±0.5

under60

±0.4

over100

±1% of the   length of a side

over60

±0.6%

Included angle of adjacent plane

±1º

±1.5º

Bending     degree

Each   meter is not more than 2mm, the   total length of not   more than 0.2%

Angle

Rs≤3t

carbon   steel

Rs=1.0∽3.5t

low   alloy steel

Rs=1.5∽4.0t

Twist

Can   not be significantly distorted

Thickness

Using   the material in the range of the   corresponding   standard tolerance

Note:   

 

(1) with GB6728-2002-- Chinese cold-formed steel structure;    

(2)   EN10210-2 - German enterprise standard   cold bending   square tube   standard;

(3)   can also be performed with Japanese JISG3466   structure   and GB3094-82--   China cold-formed steel cold drawn seamless steel     pipe standard;

(4)   other special accuracy   requirements are subject to   the agreement between the   two sides   of the supply and demand;
  
 


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