Shanghai JW Steel Co., Ltd.
Products
Contact Us
  • Contact Person : Mr. Lee Nick
  • Company Name : Shanghai JW Steel Co., Ltd.
  • Tel : 86-21-62666697
  • Fax : 86-21-62999145
  • Address : Shanghai,Shanghai,Room 2101, Yucheng Mansion, Line 1283 North Shaanxi Road, Putuo District, Shanghai City. China
  • Country/Region : China
  • Zip : 200060

pre-honed tube

pre-honed tube
Product Detailed
Related Categories:Steel Pipes
pre-honed tube Grade:ST 52 Inside diameter :40 to 250mm Max length 14m Straightness: 0.5 /1000 Tolerance INT: ISO H

pre-honed tube

GradeST 52

Metric size

Inside diameter from 40 to 250mm 

Max length 14m.

Straightness: 0.5 /1000Tolerance INT: ISO H9Tubes are provided according to the norm EN10305-1

Typecold drawing 

CHEMICAL COMPOSITION (%)

Si(Max)

Mn(Max)

C(Max)

P (Max.)

S(Max)

0.50

1.6

0.22

0.025

0.025

MECHANICAL PROPERTIES

Tensile strength 

Min

Yield Point 

Min

Elongation 

% Min

580N/mm2

420N/mm2

10

EXCENTRICITY

Outer Diameter

Excentricity

< =125 mm

5 %

> 125 mm

7 %

measured according to the formula:

E =  (max Wt  min Wt)/( max Wt + min Wt) x 100 %

BORE OVALITY

The bore ovality is comprised in the 50 % of the inside diameter tolerances.

Marking: JW, ID, OD

Length: unfixed length or fixed length 

Package: banding with steel strips, braiding parcel at outside 

Conservation: Anti rust oiled coating on the inside and outside of the surface, plastic caps at both ends.

Impact test: -20, 27 J (only for special requirement)

pre-honed tube



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