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ASTM A333 Steel Pipe

ASTM A333 Steel Pipe

astm-a333-steel-pipe

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.
Scope of ASTM A333

This specification covers nominal (average) wall seamless and welded
carbon and alloy steel pipe intended for use at low temperatures. Several
grades of ferritic steel are included as listed in Table 1. Some product sizes
may not be available under this specification because heavier wall thicknesses
have an adverse affect on low-temperature impact properties.
Supplementary Requirement S1 of an optional nature is provided. This shall apply
only when specified by the purchaser.
The values stated in either inch-pound units or SI units are to be regarded
separately as standard. Within the text, the SI units are shown in brackets.
The values stated in each system are not exact equivalents; therefore, each
system must be used independently of the other. Combining values from the two
systems may result in nonconformance with the specification. The inch-pound
units shall apply unless the “M” designation of this specification is specified
in the order.
Note 1: The dimensionless designator NPS (nominal pipe size) has been
substituted in this standard for such traditional terms as “nominal diameter”,
“size”, and “nominal size”.
Mainly Grade of ASTM A333

  • ASTM A333
    Grade 1
  • ASTM A333
    Grade 3
  • ASTM A333
    Grade 4
  • ASTM A333
    Grade 6
  • ASTM A333
    Grade 7
  • ASTM A333
    Grade 8
  • ASTM A333
    Grade 9
  • ASTM A333
    Grade 10
  • ASTM A333
    Grade 11

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

 Mechanical requiremnts of ASTM A333 alloy pipe

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

 

 

Referenced Documents

  • A370 Test
    Methods and Definitions for Mechanical Testing of Steel Products
  • A671
    Specification for Electric-Fusion-Welded Steel Pipe for Atmospheric and
    Lower Temperatures
  • A999/A999MSpecification for
    General Requirements for Alloy and Stainless Steel Pipe
  • E23 Test
    Methods for Notched Bar Impact Testing of Metallic Materials

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