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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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