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Seamless Heavy Wall Steel Tubing A333/A333M Gr1 , Gr2 , Gr3, Gr4, Gr 5, Gr6

Categories Heavy Wall Steel Tubing
Brand Name: Torich
Model Number: A333/A333M
Certification: ISO 9001:2008 , ISO14001:2008, TS16949
Place of Origin: China
MOQ: 5MT
Price: USD800-1100per ton
Payment Terms: L/C, T/T
Supply Ability: 6000MT/Month
Delivery Time: 30~40days
Packaging Details: Anti rust oile protection in Hexagonal Bundles
Product Name:: Seamless Steel Tube, Welded Steel Pipe
Steel Grade:: Grade1 , Grade3 , Grade4 , Grade6 ,Grade 7 , Grade8
Manufacture: Seamless or Welding Process
Material: Carbon and Alloy Steel
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    Seamless Heavy Wall Steel Tubing A333/A333M Gr1 , Gr2 , Gr3, Gr4, Gr 5, Gr6

    A333/A333M Seamless and Welded Steel Pipe for Low-Temperature Service
    Material:
    Carbon and Alloy Steel, ferritic steel
    Grade 1A, Grade3, Grade 4, Grade 6A, Grade 7A

    Manufacture:
    The pipes are made by seamless and welding process with the addition of no filler metal in the welding operation.
    Grade 4 is manufactured by seamless process

    Heat treatment:
    All seamless and welded pipes, other than Grades 8 and 11, are heat treated to control their microstructure in accordance with methods of:

    • Normalizing
    • Quenched and Tempered
    • Double Normalized and Tempeed


    TABLE 1 Chemical Requirements

    Element

    Composition,%

    Grade 1A

    Grade 3

    Grade 4

    Grade 6A

    Grade 7A

    Carbon, max

    0.30

    0.19

    0.12

    0.30

    0.19

    Manganese

    0.40-1.06

    0.31-0.64

    0.50-1.05

    0.29-1.06

    0.90max

    Phosphorus,max

    0.025

    0.025

    0.025

    0.025

    0.025

    Sulfur,max

    0.025

    0.025

    0.025

    0.025

    0.025

    Silicon

    0.18-0.37

    0.18-0.37

    0.10min

    0.13-0.32

    Nickel

    3.18-3.82

    0.47-0.98

    2.03-2.57

    Chromium

    0.44-1.01

    Copper

    0.40-0.75

    Aluminum

    0.04-0.30

    Vanadium,max

    Columbium,max

    Molybdenum,max

    Cobalt


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

    TABLE 2 Impact Temperature

    Grade

    Minimum Impact Test Temperature

    °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


    Tests and Inspection:
    Tensile Requirements
    Impact Requirements
    Mechanical Teing
    - Sampling
    - Transverse or Longitudinal Tensile Test and Flattening Test
    - Hydrostatic Test
    - Impact Test






    Reference Documents:

    ASTM A370 Test Methods and Definitions for Mechanical Testing of Steel Products

    ASTM A999/A 999M Specification for General Requirements for Alloy and Stainless Steel Pipe

    ASTM A671 Specification for Electric-Fusion-Welded Steel Pipe for Atmosphere and Low Tempearature

    E 23 Test Methods for Notched Bar Impact Testing of Metallic Materials










































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