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                  ASTM A333 Alloy Pipes
                  ASTM A333 Alloy Pipes ASTM A333 Alloy Pipes
                  ASTM A333 Alloy Pipes ASTM A333 Alloy Pipes

                  ASTM A333 Alloy Pipes

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                  Specification:

                  Standard Specification for Seamless and Welded Steel Pipe for Low-Temperature Service.


                  ASTM A333 standard covers wall seamless and welded carbon and alloy steel pipe intended for use at low temperatures. ASTM A333 alloy pipe shall be made by the seamless or welding process with the addition of no filler metal in the welding operation. All seamless and welded pipes shall be treated to control their microstructure. Tensile tests, impact tests, hydrostatic tests, and nondestructive electric tests shall be made in accordance to specified requirements.


                  Mechanical properties:


                  Standard

                  Grade

                  Tensile Strength (MPa)

                  Yield Point (MPa)

                  Elongation (%)

                  Y

                  X

                  ASTM A333

                  Grade 1

                  ≥380

                  ≥205

                  ≥35

                  ≥25

                  Grade 3

                  ≥450

                  ≥240

                  ≥30

                  ≥20

                  Grade 4

                  ≥415

                  ≥240

                  ≥30

                  ≥16.5

                  Grade 6

                  ≥415

                  ≥240

                  ≥30

                  ≥16.5

                  Grade 7

                  ≥450

                  ≥240

                  ≥30

                  ≥22

                  Grade 8

                  ≥690

                  ≥515

                  ≥22


                  Grade 9

                  ≥435

                  ≥315

                  ≥28


                  Grade 10

                  ≥550

                  ≥450

                  ≥22


                  Grade 11

                  ≥450

                  ≥240

                  ≥18


                  Chemical Composition (%) of ASTM A333 steel pipe

                  Standard

                  Grade

                  Chemical Composition (%)

                  C

                  Si

                  Mn

                  P

                  S

                  Cr

                  Ni

                  Cu

                  Mo

                  V

                  Al

                  ASTM A333

                  Grade 1

                  ≤0.30


                  0.40-1.06

                  ≤0.025

                  ≤0.025







                  Grade 3

                  ≤0.19

                  0.18-0.37

                  0.31-0.64

                  ≤0.025

                  ≤0.025


                  3.18-3.82





                  Grade 4

                  ≤0.12

                  0.18-0.37

                  0.50-1.05

                  ≤0.025

                  ≤0.025

                  0.44-1.01

                  0.47-0.98

                  0.40-0.75



                  0.04-0.30

                  Grade 6

                  ≤0.30

                  ≥0.10

                  0.29-1.06

                  ≤0.025

                  ≤0.025







                  Grade 7

                  ≤0.19

                  0.13-0.32

                  ≤0.90

                  ≤0.025

                  ≤0.025


                  2.03-2.57





                  Grade 8

                  ≤0.13

                  0.13-0.32

                  ≤0.90

                  ≤0.025

                  ≤0.025


                  8.40-9.60





                  Grade 9

                  ≤0.20


                  0.40-1.06

                  ≤0.025

                  ≤0.025


                  1.60-2.24

                  0.75-1.25




                  Grade 10

                  ≤0.20

                  0.10-0.35

                  1.15-1.50

                  ≤0.03

                  ≤0.015

                  ≤0.15

                  ≤0.25

                  ≤0.015

                  ≤0.50

                  ≤0.12

                  ≤0.06

                  Grade 11

                  ≤0.10

                  ≤0.35

                  ≤0.6

                  ≤0.025

                  ≤0.025

                  ≤0.50

                  35.0-37.0


                  ≤0.50



                  Strike temperature condition

                  Crade

                  The lowest temperature for strike test

                  ASTM A333 Grade 1

                  -50

                  -45

                  ASTM A333 Grade 3

                  -150

                  -100

                  ASTM A333 Grade 4

                  -150

                  -100

                  ASTM A333 Grade 6

                  -50

                  -45

                  ASTM A333 Grade 7

                  -100

                  -75

                  ASTM A333 Grade 8

                  -320

                  -195

                  ASTM A333 Grade 9

                  -100

                  -75

                  ASTM A333 Grade 10

                  -75

                  -60


                  Ordering Information

                  Orders for material under this specification should include the following, as required, to describe the desired material adequately:

                  Quantity

                  Feet, meters, or number of lengths

                  Name of material

                  Seamless Alloy Steel Pipe

                  Grade

                  STANDARD AND STEEL GRADE

                  Manufacture

                  Hot-finished or cold-drawn

                  Size using one of the following:

                  NPS and Schedule Number

                  Outside Diameter and Nominal Wall Thickness

                  Length

                  Specific or Random

                  End Finish

                  Size (mm) we can supply:

                  Hot-rolled: O.D.: 51-508; W.T.:7~60; L: max 16000

                  Cold-drawn: O.D.: 10-50; W.T.:2~10; L: max 16000

                  Hot-expanded:O.D.: 325-1020; W.T.:6~50; L: max 12000 and other specifications in accordance with customer requirements.

                  Packing:

                  Beveled/black painting/ plastic caps/ in bundles/ steel strips/ wooden protection

                  Inspection and Test:

                  Chemical Composition Inspection, Mechanical Properties Test(Tensile Strength, Yield Strength,Elongation, Flaring, Flattening, Bending, Hardness, Impact Test), Surface and Dimension Test, Nodestructive Test, Hydrostatic Test.

                  Surface Treatment:

                  Oil-dip, Varnish, Passivation, Phosphating, Shot Blasting, Epoxy & Fbe Coating Painting as requested.

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