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Seamless Precision Steel Tubes

Home » Products » Seamless Precision Steel Tubes » BS6323-3 Hot Hinished Seamless Steel Pipes

BS6323-3 Hot Hinished Seamless Steel Pipes
  • The name :

    BS6323-3 Hot Hinished Seamless Steel Pipes

  • Product Description
  • Applications: for Auto industry / for Machinery use/Mechanical and General Engineering purposes
    Size range: O.D.:6-350mm W.T.:1-30mm L:max12000mm
    Steel Grade: HFS3, HFS4, HFS5, HFS8
  • Model : BS6323-3
  • send inquiry

Instruction

Standard: BS6323-3  Seamless and Welded steel tubes for automobile, mechanical and general engineering purposes                                    
Part 3: Specific requirements for hot finished seamless steel tubes                                    
Applications: for Auto industry / for machinery use/mechanical and general engineering purposes                                    
Size range: O.D.:6-280mm     W.T.:1-30mm      L:max12000mm                                   

 

Design
ation

Chemical Compositions( ladle analysis)

Mechanical properties

C

Si

Mn

P

S

Re
min.

Rm
min.

A
min.

 

max.

 

max.

max.

 

%

%

%

%

%

N/mm2

N/mm2

%

HFS 3

0.20max.

0.35

0.90max.

0.050

0.050

215

360

24

HFS 4

0.25max.

0.35

1.20max.

0.050

0.050

235

410

22

HFS5ab

0.23max.

0.50

1.50max.

0.050

0.050

340

490

20

HFS 8

0.40 to 0.55

0.35

0.50 to0.90

0.050

0.050

340

540

18


"NOTE:Except for grade  8,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 Standards for welding,e.g. BS 5135.
Welding of grade 8 may require special techniques aGrain refining elements may be added to this grade at the option of the manufacturer.
For thicknesses in excess of  30 mm  it is permissible for the minimum yield strength to be reduce by 5 N/mm2"                                

Outside diameter

Thicknesses

Minimum thickness

Thicknesses in common usage

maximum thickness

mm

mm

mm

mm

mm

mm

mm

mm

mm

33.7

3.2

3.2

4.0

5.0

 

 

 

6.3

38.0

3.2

3.2

4.0

5.0

5.6

 

 

6.3

42.4

3.2

3.2

4.0

5.6

 

 

 

7.1

48.3

3.2

3.2

4.0

5.0

5.6

 

 

7.1

60.3

3.2

4.5

5.0

5.6

6.3

 

 

11

76.1

3.2

4.5

5.6

6.3

 

 

 

12.5

88.9

4.0

4.5

5.0

5.6

6.3

 

 

16

101.6

4.5

5.0

5.6

6.3

 

 

 

16

114.3

4.5

5.0

5.6

6.3

8.0

 

 

28

127.0

4.5

5.0

5.6

6.3

8.0

 

 

28

139.7

4.5

5.0

5.6

6.3

8.0

10.0

 

32

168.3

5.0

5.0

5.6

6.3

7.1

8.0

10.0

40

193.7

5.0

5.6

6.3

8.0

10.0

12.5

 

45

219.1

5.0

5.6

6.3

8.0

10.0

12.5

 

55

244.5

6.3

6.3

7.1

8.0

10.0

12.5

 

60

273

6.3

6.3

7.1

8.0

10.0

12.5

 

70

323.9

6.3

6.3

7.1

8.0

10.0

12.5

 

80

355.6

8.0

8.0

10.0

12.5

 

 

 

90

406.4

8.0

10.0

12.5

 

 

 

 

100

457

9.5

10.0

12.5

 

 

 

 

100


NOTE  Outside diameters and thicknesses other than those  listed 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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