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河北圣天集团无缝钢管有限公司

管道容器设备结构用管

    详细说明

    管道、容器、设备结构用管
     Steel Pipes for Pipeline, Vessel and Equipment Structures.

    标准:Standards:
     ASTM A519, DIN1629, DIN2391, ASTM A513, BS6323, EN10305-1, JIS3441

    用途Application:
     适用于制造管道、容器、设备、管件及钢结构
     It is used for manufacturing pipeline, vessel, equipment, pipe fittings and steel structure.

    主要生产钢管牌号 Main Steel Tube Grades:
     St37.0, St44.0, St52.0

     

    化学成份Chemical Composition (%):


     标准Standard

    牌号Grade

    C

    Si

    Mn

    P

    S

    Cr

    Ni

    Cu

    V

    Q/BQB 203
     DIN1629

    ST37.0

    ≤0.17

    0.17-0.37

    0.35-0.65

    ≤0.025

    ≤0.020

    ≤0.25

    ≤0.25

    ≤0.25

    -

    ST44.0

    ≤0.21

    0.17-0.37

    0.50-0.80

    ≤0.025

    ≤0.020

    ≤0.25

    ≤0.25

    ≤0.25

    -

    ST55

    0.33-0.41

    0.17-0.37

    0.50-0.80

    ≤0.025

    ≤0.020

    ≤0.25

    ≤0.25

    ≤0.25

    -

    ST52.0

    ≤0.22

    ≤0.55

    ≤1.60

    ≤0.025

    ≤0.020

    ≤0.25

    ≤0.25

    ≤0.25

    -

    CK45

    0.42-0.50

    0.17-0.37

    0.50-0.80

    ≤0.025

    ≤0.020

    ≤0.25

    ≤0.25

    ≤0.25

    -

    Note: Grades other than the a.m. chart can be made available through consultations.

    机械性能Mechanical Properties:


     标准Standard

    钢级
     Grade

    抗拉强度Tensile Strength
     (MPa)

    屈服强度Yield Strenght
     Not less than

    伸长率Elongation
     Not less than

    冲击试验Impact Test

    ≤16mm

    >16-30mm

    Temperature
     (℃)

    Absorbed Energy
     (KV/J)

    Q/BQB203
     DIN1629

    -

    -

    ≤16mm

    >16mm

    -

    -

    -

    ST37.0

    350-480

    235

    225

    25

    -

    -

    ST44.0

    420-550

    275

    265

    21

    -

    -

    ST55

    540-645

    295

    285

    17

    -

    -

    ST52.0

    500-650

    355

    345

    21

    -

    -

    CK45

    590-730

    335

    325

    14

    -

    -