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Low-Temperature Seamless Pipe

    Brief Introduction:

    Low-Temperature Service Alloy Steel Pipe is based on standard ASTM A333. Pipe grades permit low temperature service. This specification covers nominal (average) walled pipe almost exclusively in seamless. Several grades of ferritic steel are included. Some product sizes may not be available under this specification because heavier wall thicknesses have an adverse effect on low-temperature impact properties.

    Specifications

    Outside Diameter21.3mm - 711.2mm
    Wall Thickness  2mm- 150mm

    Length  1m-12m


    Standard

    ASTM A333

    Low-Temperature Service Alloy Steel Pipe

    N08800

     a kind of corrosion resistant alloy steel pipe, the Cr content is 15-25%, the nickel content is 30-45%

    ASTM A556 / A556M

    Seamless Cold-Drawn Carbon Steel Feedwater Heater Tubes

    GB 18248 / JIS G3429

    For the manufacture of pressure vessels, gas cylinders seamless.

     ASTM A335 ASME S/A335

     for High-Temperature Service

    ASTM A369

     Forged and Bored Pipe for High-Temperature Service

    ASTM A519

    For mechanical engineering,  mechanical and pressure use,and also for transporting steam,water,gas and etc.

    ASTM A209

    Alloy-Steel boiler and superheater tubes a kind of C-Mo-Alloy seamless steel pipe/tube for boiler and Superheater service

    ASTM A250

    Alloy steel boiler tubes

    ASTM A213

    Heat Transfer Boiler Tubes



    Grade:

    Standard

    Grade

    OD

    WT

    Remarks

    ASTM A333

    16MnDG, 10MnDGM, 09DG, 09Mn2VDG, 06Ni3MoDG, ASTM A333-Grade1, Grade3, Grade4, Grade6, Grade7, Grade8, Grade9, Grade10, Grade11

    1/2" to 24"

    4mm to 70mm

     

    N08800

    N08800

    1/2" to 24"

    4mm to 70mm

     

    ASTM A556 / A556M

    SA556Gr.B2, SA556Gr.C2

     12mm C 40mm

     1mm C 5mm

     

    GB 18248 / JIS G3429

    37Mn, 34Mn2V, 30CrMo, 35CrMo, STH11, STH12, STH21, STH22

     12mm C 114.3mm

     2mm C 22mm

     

     ASTM A335 ASME S/A335

    P-5, P-9, P-11, P-22, P-91

    19.05mm -610mm

    3.0mm -150mm

     

    ASTM A369

    FP1, FP2,  FP5, FP9,FP11, FP12,FP21,FP22,FP91, FP92

    12.5mm-824mm

     2mm-100mm

     

    ASTM A519

    1020, 1025, 1035, 1045, 4130, 4140

    10-324mm

    1-30mm

     

    ASTM A209

    T1, T1a, T1b

    OD: 3/4" (19.05), 1"(25.4) , 1-1/4"(31.75), 1-1/2"(38.1), 2" (50.8), 2-1/2"(63.5) , 3" (76.2)

    1-15mm

     

    ASTM A250

    T1, T1a, T1b, T2, T11, T12, and T22

    1/2"-5"(12.7-127mm)

    0.035"-0.320" (0.9-8.1mm)

     

    ASTM A213

    T1, T5, T9, T11, T22, T91

    1/2"-5"(12.7-127mm)

    0.015 to 0.500 in. [0.4 to 12.7 mm],

     

    Note:Other size can also be provided after consuliting with customers


    Description

    Low-Temperature Service Alloy Steel Pipe used in cryogenic alloy tubes is comparable to that of carbon structural steels. The utility model has the advantages of high strength, good comprehensive performance, long service life, wide application range, relatively economic, etc.. It is widely used in bridges, ships, boilers, vehicles and important building.


    Normal Grade Chemical Requirements

    Composition, %

    Element

    Grade 1

    Grade 3

    Grade 6

    Carbon, max

    0.3

    0.19

    0.3

    Manganese

    0.40 C 1.06

    0.31 C 0.64

    0.29 C 1.06

    Phosphorous, max

    0.025

    0.025

    0.025

    Sulfur, max

    0.025

    0.025

    0.025

    Silicon

    0.18 -0.37

    0.10 min

    Nickel

    3.18 C 3.82


    Normal Steel grade:

    ASTM A333 Grade 6


    Packing:

    Bare packing / bundle packing / crate packing / wooden protection at the both sides of tubes and suitably protected for sea-worthy delivery or as requested.


    Inspection and Test:

    Chemical Composition Inspection

    Mechanical Properties Test (Tensile Strength, Yield Strength, Elongation, Flaring, Flattening, Bending, Hardness, Impact Test)

    Surface and Dimension Test

    No-destructive Test

    Hydrostatic Test


    Surface treatment:

    Oil-dip, Varnish, Passivation, Phosphating, Shot Blasting.

    Both ends of each crate will indicate the order no., heat no., dimensions, weight and bundles or as requested.


    Chemical requirement Composition (%)

    Composition ASTM A333 Grade 6

    Carbon, max 0.30

    Manganese 0.29C1.06

    Phosphorus, max 0.025

    Sulfur, max 0.025

    For each reduction of 0.01% carbon below 0.30%, an increase of 0.05% manganese above 1.06% would be permitted to a maximum of 1.35% manganese.


    Tensile requirements

    Data ASTM A333 Grade 6

    Tensile strength, min, psi (MPa) 60 000 (415)

    Yield strength, min, psi (MPa) 35 000 (240)


    Impact temperature

    Minimum Impact Test Temperature -45 C(-50 F)


    Notes for Bend Test

    For pipe whose diameter exceeds NPS 25 and whose diameter to wall thickness ratio is 7.0 or less shall be subjected to the bend test instead of the flattening test.

    Other pipe whose diameter equals or exceeds NPS 10 may be given the bend test in place of the flattening test subject to the approval of the purchaser.

    The bend test specimens shall be bent at room temperature through 180 without cracking on the outside of the bent portion.


    Standard

    Grade

    OD

    WT

    Remarks

    ASTM A333

    16MnDG, 10MnDGM, 09DG, 09Mn2VDG, 06Ni3MoDG, ASTM A333-Grade1, Grade3, Grade4, Grade6, Grade7, Grade8, Grade9, Grade10, Grade11

    1/2" to 24"

    4mm to 70mm

     

    N08800

    N08800

    1/2" to 24"

    4mm to 70mm

     

    ASTM A556 / A556M

    SA556Gr.B2, SA556Gr.C2

     12mm C 40mm

     1mm C 5mm

     

    GB 18248 / JIS G3429

    37Mn, 34Mn2V, 30CrMo, 35CrMo, STH11, STH12, STH21, STH22

     12mm C 114.3mm

     2mm C 22mm

     

     ASTM A335 ASME S/A335

    P-5, P-9, P-11, P-22, P-91

    19.05mm -610mm

    3.0mm -150mm

     

    ASTM A369

    FP1, FP2,  FP5, FP9,FP11, FP12,FP21,FP22,FP91, FP92

    12.5mm-824mm

     2mm-100mm

     

    ASTM A519

    1020, 1025, 1035, 1045, 4130, 4140

    10-324mm

    1-30mm

     

    ASTM A209

    T1, T1a, T1b

    OD: 3/4" (19.05), 1"(25.4) , 1-1/4"(31.75), 1-1/2"(38.1), 2" (50.8), 2-1/2"(63.5) , 3" (76.2)

    1-15mm

     

    ASTM A250

    T1, T1a, T1b, T2, T11, T12, and T22

    1/2"-5"(12.7-127mm)

    0.035"-0.320" (0.9-8.1mm)

     

    ASTM A213

    T1, T5, T9, T11, T22, T91

    1/2"-5"(12.7-127mm)

    0.015 to 0.500 in. [0.4 to 12.7 mm],

     

    Note:Other size can also be provided after consuliting with customers

    Delivery is very timely.
                                                                                                                                                                    ___Pulitzer Peru

    Pipe is good-looking on appearance.
                                                                                                                                                           ___Armstrong (Mexico)
    Logistics is fast and no delay the project schedule.
                                                                                                                                                           ___Bartholomew (Belgium)
    Delivery is fast even shortens a few days.
                                                                                                                                                            ___Augustine (Kenya)
    Sales is very professional, good
                                                                                                                                                             ___Catherine Thailand)

Copyright© Changsha Hunan Steel Co.,LTD. All Rights Reserved 䰸̖ICP19016951̖

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