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Welded Precision Steel Tubes

Home » Products » Welded Precision Steel Tubes » BS6323-7 Submerged Arc Welded Steel Tubes

BS6323-7 Submerged Arc Welded Steel Tubes
  • The name :

    BS6323-7 Submerged Arc Welded Steel Tubes

  • Product Description
  • Applications: for Auto industry / for machinery use/mechanical and general engineering purposes

    Size range: O.D.: 508-2020mm W.T.:6.3-50mm L:max12000mm
  • Model : BS6323-7
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Instruction

Standard: BS6323-7 Seamless and welded steel tubes for automobile mechanical and general engineering purposes
Part 7: Specific requirements for submerged arc welded steel tubes

Steel Grade and Chemical Compositions:     

Applications: for Auto industry / for machinery use/mechanical and general engineering purposes

Size range: O.D.: 508-2020mm     W.T.:6.3-50mm      L:max12000mm                                   

 

                                       Chemical Compositions and Mechanical properties

Designation

    Chemical Compositions( ladle analysis)

    Mechanical properties

    C

Si

  Mn

    P

    S

     Re

   Rm

   A

  max.

  max.

  max.

  max.

  max.

   min.

   min.

  min.

 

%

%

%

%

%

N/mm2

N/mm2

%

SAW 4

0.25

0.35

1.20

0.050

0.050

235

410

22

SAW 5a

0.23

0.50

1.50

0.050

0.050

340

490

20

NOTE  Welding of tubes of these grades does not require special techniques but care should be taken and welding should be carried out in accordance with the guidance given in the appropriate British Standard for welding,e.g. BS 5135.aGrain refining elements may be added to this grade at the option of the manufacturer. 

 

                                  Dimensions of submerged arc welded steel tubes

Outside diameter

Thicknesses

Minimum thickness

Thicknesses in common usage

Maximum thickness

mm

mm

mm

mm

mm

mm

mm

508

6.3

8.0

10

12.5

 

20

559

6.3

8.0

10

12.5

 

20

610

6.3

8.0

10

12.5

16

32

660

6.3

8.0

10

12.5

16

32

711

7.1

8.0

10

12.5

16

32

762

7.1

10

12.5

16

 

32

813

7.1

10

12.5

16

20

32

864

7.1

10

12.5

16

20

32

914

8.0

10

12.5

16

20

45

1016

8.0

12.5

16

20

25

50

1220

10

12.5

16

20

25

50

1420

12.5

12.5

16

20

25

50

1620

12.5

16

20

25

 

50

1820

12.5

16

20

25

 

50

2020

12.5

16

20

25

 

50

NOTE  Other outside diameters and thicknesses are available by agreement between purchaser and manufacturer.For sectional properties including mass per unit length,see appendix B of BS 6323-1:1982

Note: Special steel grade is also available, according to customer request.

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