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Stainless Steel Tubes

Home » Products » Stainless Steel Tubes » BS6323-8 Longitudinally Welded Stainless Steel Tubes

BS6323-8 Longitudinally Welded Stainless Steel Tubes
  • The name :

    BS6323-8 Longitudinally Welded Stainless Steel Tubes

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



    Size range: O.D.:6-280mm W.T.:1-30mm L:max12000mm
  • Model : BS6323-8
  • send inquiry

Instruction

BS6323-8 Seamless and Welded steel tubes for automobile,mechanical and general engineering purposesPart

8: Specific requirements for longitudinally welded stainless 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                             

Steel Grade and Chemical Compositions: 

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

Mechanical properties

Designation

BS 1449-2
equivalent

KM (as welded)

GKM(S),GZF(S)(welded and sized fully softened)

GBK (S)and GZF(S)(cold finished ,fully softened)

Re       min.

Rm         min.

A         min.

Re       min.

Rm         min.

A           min.

Re              min.

Rm         min.

A           min.

N/mm2

N/mm2

%

N/mm2

N/mm2

%

N/mm2

N/mm2

%

LW 12b

 

300

400

10

_

_

_

_

_

_

LW 19b

409S19

300

400

10

200

350

20

_

_

_

LW 20

304S11

420

520

25

185

480

30

_

_

_

LWCF 20

 

 

 

 

 

 

 

185

480

30

LW 21

304S15

450

560

25

210

510

30

_

_

_

LWCF 21

 

 

 

 

 

 

 

210

510

30

LW 22

316S13

420

520

25

185

480

30

_

_

_

LWCF 22

 

 

 

 

 

 

 

185

480

30

LW 23

316S33

450

560

25

210

510

30

_

_

_

LWCF 23

 

 

 

 

 

 

 

210

510

30

LW 24

321S31

450

560

25

210

510

30

_

_

_

LWCF 24

 

 

 

 

 

 

 

210

510

30

 

Tolerance on specified cut lengths

Specified cut length

Tolerance

over

up to and including

mm

mm

mm

 

500

+

2

 

 

 -

0

500

2000

+

3

 

 

 -

0

2000

5000

+

5

 

 

-

0

5000

7000

+

10

 

 

 -

0

7000

__

by agreement

NOTE Closer tolerances may be obtained by agreement between the purchaser and manufacturer.

 


Tolerance on diameter of as-welded and sized tube

Outside diameter

Tolerance

over

Up to and including

mm

mm

mm

 

30

±0.15

30

50

±0.18

50

70

±0.25

70

90

±0.35

 

Tolerance on diameter of fully softened tube

Diameter to thickness ratioD/a

Tolerance 

over

up to and including

 

mm

_

40

1.5 times value in Table 2

40

60

Twice the value in Table 2

60

_

2.5 times value in Table 2

 
buy  Seamless cold drawn  manufacturer  BS63238 Longitudinally Welded Stainless Steel Tubes Best Price

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