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BS6323-4 Cold Finished Seamless Steel Tubes Grade CFS1 CFS2 CFS3 CFS4 CFS5 42CrMo4

    Buy cheap BS6323-4 Cold Finished Seamless Steel Tubes Grade CFS1 CFS2 CFS3 CFS4 CFS5 42CrMo4 from wholesalers
     
    Buy cheap BS6323-4 Cold Finished Seamless Steel Tubes Grade CFS1 CFS2 CFS3 CFS4 CFS5 42CrMo4 from wholesalers
    • Buy cheap BS6323-4 Cold Finished Seamless Steel Tubes Grade CFS1 CFS2 CFS3 CFS4 CFS5 42CrMo4 from wholesalers
    • Buy cheap BS6323-4 Cold Finished Seamless Steel Tubes Grade CFS1 CFS2 CFS3 CFS4 CFS5 42CrMo4 from wholesalers
    • Buy cheap BS6323-4 Cold Finished Seamless Steel Tubes Grade CFS1 CFS2 CFS3 CFS4 CFS5 42CrMo4 from wholesalers
    • Buy cheap BS6323-4 Cold Finished Seamless Steel Tubes Grade CFS1 CFS2 CFS3 CFS4 CFS5 42CrMo4 from wholesalers

    BS6323-4 Cold Finished Seamless Steel Tubes Grade CFS1 CFS2 CFS3 CFS4 CFS5 42CrMo4

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    Brand Name : TORICH
    Model Number : BS6323-4
    Certification : ISO 9001 ISO 14001 EN 10204.3.1 TS 16949 TUV
    Price : negotiable
    Supply Ability : 60000 Ton/Year
    Delivery Time : 30 days
    Payment Terms : T/T L/C D/P D/A WesternUnion MoneyGram Others
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    BS6323-4 Cold Finished Seamless Steel Tubes Grade CFS1 CFS2 CFS3 CFS4 CFS5 42CrMo4

    BS6323-4 BK BKW GBK NBK GZF NZF Cold Finished Seamless Steel Tubes Grade CFS1 CFS2 CFS3 CFS4 CFS5 42CrMo4


    Standard: BS6323-4 Seamless and Welded steel tubes for automobile,mechanical and general engineering purposes
    Part 4: Specific requirements for cold 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

    Method of manufacture:

    The tubes are manufactured by a seamless process and shall be cold finished

    It is permissible for cold finished tubes to have on internal and external surfaces an adherent layer of residual to subsequent processing, then their removal shall be the subject of an agreement between the manufacturer and the purchaser.


    Delivery Condition:

    The tubes are supplied in one of the following condition:

    a. Cold finished/hard (cold finished as drawn) : BK

    b. Cold finished/soft (lightly cold worked ): BKW

    c. Annealed: GBK

    d. Annealed (including de-scaling): GZF

    e. Normalized: NBK

    f. Normalized ( including de-scaling): NZF


    Tests:

    Flattenning tests

    Leak tightness test- Eddy current test


    Design
    ation

    Chemical Compositions( ladle analysis)




    C

    Si

    Mn

    Pmax.

    Smax.

    Cr

    Mo


    %

    %

    %

    %

    %

    %

    %

    CFS 3

    0.20 max.

    0.35 max.

    0.90max.

    0.050

    0.050

    __

    __

    CFS 3Aa

    0.20 max.

    0.10 to 0.35

    0.60 to 1.00

    0.050

    0.050

    __

    __

    CFS 4

    0.25 max.

    0.35 max.

    1.20 max.

    0.050

    0.050

    __

    __

    CFS 5b

    0.23 max.

    0.50 max.

    1.50 max.

    0.050

    0.050

    __

    __

    CFS 6

    0.30 to0.40

    0.35 max.

    0.50 to 0.90

    0.050

    0.050

    __

    __

    CFS 7

    0.20 to 0.30

    0.35 max.

    1.20 to1.50

    0.050

    0.050

    __

    __

    CFS 8d

    0.40 to 0.55

    0.35 max.

    0.50 to0.90

    0.050

    0.050

    __

    __

    CFS 9

    0.29max.

    0.35 max.

    1.50max.

    0.050

    0.050

    __

    0.15 to0.25

    CFS 10

    0.26max.

    0.35 max.

    0.80max.

    0.050

    0.050

    0.80 to1.20

    0.15 to0.30

    CFS 11

    0.45max.

    0.35 max.

    1.00 max.

    0.050

    0.050

    0.80 to1.20

    0.15 to0.30



    Desig
    nation

    BKc (cold finished/hard)

    BKWc(cold finished/soft )

    GBK and GZF(annealed)

    NBK and NZF(normalized)

    Remin.

    Rmmin.

    Amin.

    Remin.

    Rmmin.

    Amin.

    Remin.

    Rmmin

    Amin.

    Remin.

    Rmmin.

    Amin.

    N/mm2

    N/mm2

    %

    N/mm2

    N/mm2

    %

    N/mm2

    N/mm2

    %

    N/mm2

    N/mm2

    %

    CFS3

    360

    450

    6

    280

    400

    9

    170

    340

    26

    215

    360

    24

    CFS3Aa

    360

    450

    6

    280

    400

    9

    170

    340

    26

    215

    360

    24

    CFS4

    415

    520

    5

    315

    450

    8

    200

    400

    24

    235

    410

    22

    CFS5b

    480

    600

    4

    385

    550

    6

    __

    __

    __

    340

    490

    20

    CFS6

    470

    590

    5

    350

    540

    7

    300

    440

    22

    280

    460

    21

    CFS7

    560

    700

    4

    460

    650

    7

    __

    __

    __

    __

    __

    __

    CFS8d

    575

    720

    4

    470

    670

    6

    300

    510

    20

    340

    540

    18

    CFS9

    575

    720

    4

    470

    670

    6

    __

    __

    __

    __

    __

    __

    CFS10

    575

    720

    4

    470

    670

    6

    __

    __

    __

    __

    __

    __

    CFS11

    575

    720

    4

    __

    670

    6

    __

    __

    __

    __

    __

    __


    "NOTE Welding of tubes of grades 3,3A and 5 does not require special techniques but care should be taken and welding carried out in accordance with guidance given in the appropriate British Standard for welding,e.g. BS 5135.The welding of other grades shown may require special techniques.
    aGrade 3A shall be suitable for case hardening purposes.
    bGrain refining elements may be added at the option of the manufacturer .
    cIf tubes in the BK and GKW condition are subsequently welded,brazed or heated the mechanical properties in the heat affected zone may be reduced to those given for the delivery condition GBK or NBK.
    dSteel within the limits shown,but in accordance with the chemical composition of BS 970-1,may be supplied if agreed ate the time of order or enquiry."




    Publications reffered to:


    BS970, Specification for wrought steels for mechanical and allied engineering purposes


    BS970-1, General inspection and testing procedure and specific requirements for carbon, carbon manganese, alloy and stainless steels


    BS3601, Specification for steel pipes and tubes for pressure purposes: carbon and carbon manganse steel with specified elevated temperature properties.


    BS 3603, Specification for steel pipes and tubes for pressure purposes: carbon and alloy steel with specified low temperature properties


    BS3604, Specification for steel pipes and tubes for pressure purposes: ferritic alloy steel with specified elevated temperature properties.


    BS3605, Seamless and welded austenitic stainless steel pipes and steel tubes for pressure purposes


    BS4360, Specification for weldable structural steels


    BS4848, Hot-rolled structural steel sections


    BS4848-2, Hollow sections


    BS5135, Metal-arc welding of carbon and carbon manganese steels


    BS6323, Specification for seamless and welded steel tubes for automobile, mechanical and general engineering purposes


    BS6323-1, General requirements


    ISO 4200, Plain end steel tubes, welded and seamless - General tables of dimensions and masses per unite length













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