Tubos acero al carbono de la gran diámetro de 20 GB astm a694 f42 sch 160

Product name

X52 thermal conductivity astm a35 astm a106 grade b carbon steel pipe

Brand

Zhongxing (by ourselves)

Specification

O.D :3inch - 8inch (88.9mm - 219.1mm)

W.T.: 0.2inch - 1 inch (5.08mm - 25.4mm)

Length

max 12000mm by fixed length or random length as per request .

Standard

DIN 17175

Material

St35.8,st37,st52

Ends

Plain ends or beveled ends

Raw Material

Steel bar

Calculation of Theoretic Weight

? Kgs /m = {(OD – W.T ) *W.T }*0.02466 

Marking

As per our standard or clients’ request .

Package

Packing in bundles, special packing can be offered by customers' requirement 

or contact, such as wooden packing outside the pipes and so on.

Certificate

Mill Testing Certificate

Usage

It is used for manufacturing pipeline,vessel,equipment,pipe fittings

Remark

We could produce as per client's special request .  

Grade

Chemical Composition(%):

C max

Si max

Mn

P max

S max

St 35

0.17

0.35

≥0.40

0.025

0.025

St 45

0.21

0.35

≥0.40

0.025

0.025

St 52

0.22

0.55

≤1.60

0.025

0.025

Steel grade

BK

BKW

BKS

 GBK

 NBK

Tensile

Rm
N/mm
min

Elong-ation

%
min

Tensile Rm
N/mm
min

Elong-ation

%
min

Tensile Rm
N/mm
min

Yield ReH
N/mm
min

Elong-ation

%
min

Tensile Rm
N/mm
min

Elong-ation

%
min

Tensile Rm
N/mm
min

Yield ReH
N/mm
min

Elong-ation

%
min

St35

480

6

420

10

420

315

14

315

25

340-470

235

25

St45

580

5

520

8

520

375

12

390

21

440-570

235

21

St52

640

4

580

7

580

420

10

490

22

490-630

355

22