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JIS G3445 Structural Steel Pipe , 50mm Wall Thickness Carbon Seamless Steel Pipe

Categories Structural Steel Pipe
Brand Name: TORICH
Model Number: JIS G 3445
Certification: ISO 9001 ISO14001 TS 16949 TUV DNV
Place of Origin: China
MOQ: 5TONS
Price: negotiation
Delivery Time: 30-60days after received your payment
Packaging Details: Packed in bundles or wooden box or upon request
Product Name: Carbon steel tubes for machine structural purposes
Material: Carbon steel
Steel grade: STKM 11A STKM 12 (ABC) STKM 13(ABC) STKM 14(ABC) STKM 15(AC) etc
Standard: JIS G3445
Shape: Round
Application: For machine structural purposes
Production method: seamless
Heat treatment: HR CW SR A N HF
Relevant standard: KS D 3517 ASTM A 513 A519 A512 BS980
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    JIS G3445 Structural Steel Pipe , 50mm Wall Thickness Carbon Seamless Steel Pipe

    JIS G 3445 STKM 11A STKM 12 (ABC) STKM 13(ABC) STKM 14(ABC) STKM 15 Carbon Steel Tubes for machine structural purposes


    JIS G 3445 Carbon steel tubes for machine structural purposes

    Application: for machine structural purposes

    Size range:OD 5-420mm WT 0.5-50mm Length 12m max


    Grade:

    • STKM 11A
    • STKM 12 (ABC)
    • STKM 13(ABC)
    • STKM 14(ABC)
    • STKM 15(AC) etc

    Heat treatment(Please specify the delivery condition and heat treatment requirement when sending the enquiry.)

    1. HR hot rolled
    2. CW cold worked
    3. SR stress relieved
    4. A annealed
    5. N normalized
    6. HF hot formed

    CHEMICAL COMPOSITION unit:% max

    Steel Grade

    C

    S

    Mn

    P

    S

    STKM 11A

    0.12

    0.35

    0.60

    0.040

    0.040

    STKM 12A

    0.20

    0.35

    0.60

    0.040

    0.040

    STKM 12B

    STKM 12C

    STKM 13A

    0.25

    0.35

    0.30-0.90

    0.040

    0.040

    STKM 13B

    STKM 13C

    STKM 14A

    0.30

    0.35

    0.30-1.00

    0.040

    0.040

    STKM 14B

    STKM 14C

    STKM 15A

    0.25-0.35

    0.35

    0.30-1.00

    0.040

    0.040

    STKM 15C

    STKM 16A

    0.35-0.45

    0.40

    0.40-1.00

    0.040

    0.040

    STKM 16C

    STKM 17A

    0.45-0.55

    0.40

    0.40-1.00

    0.400

    0.040

    STKM 17C

    STKM 18A

    0.18

    0.55

    1.50

    0.040

    0.040

    STKM 18B

    STKM 18C

    STKM 19A

    0.25

    0.55

    1.50

    0.040

    0.040

    STKM 19C

    STKM 20A

    0.25

    0.55

    1.60

    0.040

    0.040

    Note:1.When the purchaser require product analysis for the tubes made of killed steel, the tolerances for the values given above shall be as specified in the Table 2 in JIS G 0321 for seamless steel tubes and in Table 1 for electric resistance welded or butt welded steel tubes

    2.For the tubes of STKM 15 made by electric resistance welding process, the lower limit of carbon content may be

    Altered by agreement between the parties concerned.

    3.For the tubes of STKM 20,Nb in combination with V may be added, in the case, the maximum content of Nb+V shall be 0.15%


    MECHANICAL PROPERTIES

    Steel Grade

    Tensile strength

    Mpa min

    Yield strength

    Mpa min

    Elogation%

    min

    STKM 11A

    290

    -

    35

    STKM 12A

    340

    175

    35

    STKM 12B

    390

    275

    25

    STKM 12C

    470

    355

    20

    STKM 13A

    370

    215

    30

    STKM 13B

    440

    305

    20

    STKM 13C

    510

    380

    15

    STKM 14A

    410

    245

    25

    STKM 14B

    500

    355

    15

    STKM 14C

    550

    410

    15

    STKM 15A

    470

    275

    22

    STKM 15C

    580

    430

    12

    STKM 16A

    510

    325

    20

    STKM 16C

    620

    460

    12

    STKM 17A

    550

    345

    20

    STKM 17C

    650

    480

    10

    STKM 18A

    440

    275

    25

    STKM 18B

    490

    315

    23

    STKM 18C

    510

    380

    15

    STKM 19A

    490

    315

    23

    STKM 19C

    550

    410

    15

    STKM 20A

    540

    390

    23

    The tolerances on outside diameter and wall thickness for the tubes shall be as given in Table 4 and Table 5,respectively.


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