Low temperature pipe
The ratio of steel used in low-temperature alloy tubes to carbon structural steel. It has the advantages of high strength, good comprehensive performance, long service life, wide application range and comparative economy. The steel is mostly rolled into plates, profiles, seamless steel pipes and so on
INSPECTION CERTIFICATE

PRODUCT DESCRIPTION


  • Introduction

  • Product Type:Low temperature pipe,Low Temperature Alloy Steel Tube,Seamless Low temperature pipe,Carbon Steel Seamless Low Temperature

    Specifiction:

    Product Type:Low Temperature Pipe

    Size:
    Outer diameter(OD): 73-630mm
    Wall thickness(WT): 6-35mm
    LENGTH:Single Random, Double Random, Cut Length

    Application:In Refineries, Power Plants, Boilers, Heat Exchangers, Condensers etc.

    Pipe Standard:ASTM A333/ASME SA333  

    Heat Treatment:

    Annealed: Bright Annealed,Spheroidize Annealed, Normalized, Stress Relieved, Cold Finished, Quenched And Tempered

    1. ASTM A333 Chemical Composition Requirements

    Chemical Composition of ASTM A333
    ElementGrade 1, %Grade 3, %Grade 4, %Grade 6, %Grade 7, %Grade 8, %Grade 9, %Grade 10, %Grade 11, %
    C0.300.190.120.300.190.130.200.200.10
    Mn0.40–1.060.31–0.640.50–1.050.29–1.060.900.900.40–1.061.15–1.500.60
    P0.0250.0250.0250.0250.0250.0250.0250.0350.025
    S0.0250.0250.0250.0250.0250.0250.0250.0150.025
    Si...0.18–0.370.08–0.370.10 min0.13–0.320.13–0.32...0.10–0.350.35
    Ni...3.18–3.820.47–0.980.402.03–2.578.40–9.601.60–2.240.2535.0–37.0
    Cr......0.44–1.010.30.........0.150.50
    Cu......0.40–0.750.40......0.75–1.250.15...
    Al......0.04–0.30............0.06...
    V.........0.08.........0.12...
    Cb.........0.02.........0.05...
    Mo.........0.12.........0.050.50
    Co........................0.50

    *For Grade 1 and 6, each reduction of 0.01% C below 0.30%, an increase of 0.05 % Mn above 1.06 % would be permitted to a max. of 1.35%.
    *For Grade 6, the limit for columbium may be increased up to 0.05 % on heat analysis and 0.06 % on product analysis.
    *Generally, the carbon equivalent C.E = [C + Mn/6 + (Cr + Mo + V)/5 + (Ni + Cu)/15] shall not exceed 0.43% by heat analysis.

    2. ASTM A333 Mechanical Properties

    ASTM A333Tensile Strength, min.Yield Strength, min.Elongation %, min.
    GradepsiMPapsiMPaLongitudinalTransverse
    Grade 155 00038030 0002053525
    Grade 365 00045035 0002403020
    Grade 460 00041535 0002403016.5
    Grade 660 00041535 0002403016.5
    Grade 765 00045035 0002403022
    Grade 8100 00069075 00051522...
    Grade 963 00043546 00031528...
    Grade 1080 00055065 00045022...
    Grade 1165 00045035 00024018...

    *The elongation values are furnished on the basis of standard round  2 inch or 50 mm(or 4D) specimens.
    *Elongation of Grade 11 is for all walls and small sizes tested in full section.

    3.  Charpy V-notch Impact Tests

    Impact Requirements for Grades 1, 3, 4, 6, 7, 9, 10, and 11
    Size of Specimen*A*B
    mmft·lbfJft·lbfJ
    10 by 1013181014
    10 by 7.51014811
    10 by 6.6791279
    10 by 57957
    10 by 3.335734
    10 by 2.54534

    *A denotes minimum average notched bar impact value of each set of three specimens.
    *B denotes minimum notched bar impact value of one specimen only of a set.

    Minimum Impact Test Temperature of ASTM A333
    Grade°F°C
    1-50-45
    3-150-100
    4-150-100
    6-50-45
    7-100-75
    8-320-195
    9-100-75
    10-75-60
    11-320-195

    * Impact tests specified for temperatures lower than 70 °F [20 °C] should be made with precautions.


  • Specification

  • NPS 
    (in)
    Outside Diameter
    (in)
    ASTM A333 Grade 6 Carbon Steel Seamless Pipes Schedule


    SCH 10SCH 20SCH 30SCH STDSCH 40SCH 60SCH XSSCH 80SCH 100SCH 120SCH 140SCH 160SCH XXS


    Wall Thickness (in)
    1/80.405


    0.0680.068
    0.0950.095




    1/40.540


    0.0880.088
    0.1190.119




    3/80.675


    0.0910.091
    0.1260.126




    1/20.840


    0.1090.109
    0.1470.147


    0.1870.294
    3/41.050


    0.1130.113
    0.1540.154


    0.2190.308
    11.315


    0.1330.133
    0.1790.179


    0.2500.358
    1 1/41.660


    0.1400.140
    0.1910.191


    0.2500.382
    1 1/21.900


    0.1450.145
    0.2000.200


    0.2810.400
    22.375


    0.1540.154
    0.2180.218


    0.3440.436
    2 1/22.875


    0.2030.203
    0.2760.276


    0.3750.552
    33.500


    0.2160.216
    0.3000.300


    0.4380.600
    3 1/24.000


    0.2260.226
    0.3180.318




    44.500


    0.2370.237
    0.3370.337
    0.438
    0.5310.674
    55.563


    0.2580.258
    0.3750.375
    0.500
    0.6250.750
    66.625


    0.2800.280
    0.4320.432
    0.562
    0.7190.864
    88.625
    0.2500.2770.3220.3220.4060.5000.5000.5940.7190.8120.9060.875
    1010.750
    0.2500.3070.3650.3650.5000.5000.5940.7190.8441.0001.1251.000
    1212.750
    0.2500.3300.3750.4060.5620.5000.6880.8441.0001.1251.3121.000
    1414.0000.2500.3120.3750.3750.4380.5940.5000.7500.9381.0941.2501.406
    1616.0000.2500.3120.3750.3750.5000.6560.5000.8441.0311.2191.4381.594
    1818.0000.2500.3120.4380.3750.5620.7500.5000.9381.1561.3751.5621.781
    2020.0000.2500.3750.5000.3750.5940.8120.5001.0311.2811.5001.7501.969
    2222.0000.2500.3750.5000.375
    0.8750.5001.1251.3751.6251.8752.125
    2424.0000.2500.3750.5620.3750.6880.9690.5001.2191.5311.8122.0622.344
    3030.0000.3120.5000.6250.375

    0.500





    3232.0000.3120.5000.6250.3750.688







    3434.0000.3120.5000.6250.3750.688







    3636.0000.3120.5000.6250.3750.750







    4242.000
    0.5000.6250.3750.750







PRODUCT DETAILS


The ratio of steel used in low-temperature alloy tubes to carbon structural steel. It has the advantages of high strength, good comprehensive performance, long service life, wide application range and comparative economy. The steel is mostly rolled into plates, profiles, seamless steel pipes and so on


产品.jpg


Product line


China Jiukuang Steel Manufacturing Co.,Ltd founded in 2016 and headquartered in 2010, is a group company specializing in metal materials industry. With 8 coil production lines with an average daily output of more than 2000 tons and annual sales of 4 billion yuan, we ensure that we always have sufficient raw materials and reduce production costs.


生产线.jpg


Packaging shipping


Excellent packaging: waterproof paper and plastic film + iron cover + at least three strapping straps + strapping straps fixed on iron or wood pallets can effectively protect products from corrosion and various climate changes during transportation. Generally speaking, we ship from Shanghai, Tianjin, Qingdao and Ningbo ports. We have worked with many experienced shipping companies for a long time to find the most suitable mode of transportation for you.



包装.jpg

Get product information and quotes

SEND MESSAGE

RELATED RECOMMENDATIONS