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    Welding Rods For Carbon Steel

    碳钢焊条

    型号

    国标

    GB

    熔敷金属化学成分(%)

    熔敷金属力学性能 

    C

    Mn

    Si

    S

    P

    other

    Rel/Rp0.2 MPa

    Rm
    MPa

    A
    %

    A KV
    J

    J421

    E4313

    0.10

    0.32/0.55

    0.30

    0.035

    0.04

    -

    330

    420

    17

    0℃
    27

    THJ422

    E4303

    0.10

    0.32/0.55

    0.25

    0.035

    0.040

    -

    330

    420

    22

    0℃
    27

    THJ422GM

    E4303

    0.10

    0.32/0.55

    0.25

    0.035

    0.040

    -

    330

    420

    22

    0℃
    27

    THJ423

    E4301

    0.10

    0.32/0.55

    0.30

    0.035

    0.040

    -

    330

    420

    22

    -20℃
    27

    THJ426

    E4316

    0.10

    1.25

    0.90

    0.035

    0.040

    330

    420

    22

    -30 ℃
    27

    THJ502

    E5003

    0.10

    0.50/1.25

    0.30

    0.035

    0.040

    -

    400

    490

    20

    0 ℃
    27

    THJ506

    E5016

    0.10

    1.60

    0.75

    0.035

    0.040

    -

    400

    490

    22

    -30 ℃
    27

    THJ506D

    E5016

    0.10

    1.60

    0.75

    0.035

    0.040

    -

    400

    490

    22

    -30 ℃
    27

    THJ506Fe

    E5018

    0.10

    1.60

    0.75

    0.035

    0.040

    -

    400

    490

    22

    -30 ℃
    27

    THJ507

    E5015

    0.10

    1.60

    0.75

    0.035

    0.040

    -

    400

    490

    22

    -30℃
    27

     

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