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Zhangjiagang Sheng Ding Yuan group  

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carbon steel tubing seamless mechanical tubing 

Place of Origin: Zhejiang, China (Mainland) 
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Cold Drawing Precision Steel Seamless Tubes Fo

Cold Drawing Precision Steel Seamless Tubes For Automotive Industry

Outside diameter ranges from 4 to 60 mm and wall thickness ranges from 0.5 to 7mm. Precision steel tubes are delivered according to EN 10305-1, DIN 2391, BS 6323/4,ASTM A519 and JIS G3445.

Tolerance table of Cold Drawing Precision Steel Seamless Tubes 

 

NAME

SCOPE(mm)

GB (mm)

DIN (mm)

Enterprise control(mm)

Special high-precision(mm)

OD

Out Diameter

4-30

±0.1

±0.08

±0.05

±0.03

31-40

±0.15

±0.15

±0.05

±0.03

41-50

±0.20

±0.20

±0.08

±0.03

51-60

±0.25

±0.25

±0.08

±0.03

Wall thickness 

0.5-7

±10%,Min±0.12

±10%

±10%,Min±0.05

±10%,Min±0.03

 

Steel grades for Cold Drawing Precision Steel Seamless Tubes 

Standard

Material

EN10305-1

E215, E235, E255, E355,C45E, 30GrMo

DIN2391

ST35,ST45,ST52,ST37.4

BS6323/4

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Company Info

Zhangjiagang Sheng Ding Yuan group [China (Mainland)]


Business Type:Manufacturer
City: Suzhou
Province/State: Jiangsu
Country/Region: China (Mainland)

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