AS/NZS 1074

AS/NZS 1074

AS/NZS 1074 is the standard for steel tubes and tubulars for ordinary service. In accordance with AS1722.1, AS/NZS 1074 specifies requirements for threaded steel tubes and tubulars, as well as plain-end steel tubes, suitable for screwing, with nominal sizes ranging from DN 8 to DN 150 inclusive (nominal size) and wall thicknesses designated as Light (lightest), Medium (medium), and Heavy (heaviest).

PRODUCT FEATURES

Chemical Composition of AS/NZS 1074 Steel Pipe

Elements of AS/NZS 1074 Pipes

Max %

S

0.045%

P

0.045

CE

0.40%

Chemical Composition of ASTM A53 Pipes

Elements

Type S
(Seamless)

Type E

Type F

(Electric-resistance Welded)

(Furnace-welded Pipe)

Gr. A

Gr. B

Gr. A

Gr. B

Gr. A

Carbon max. %

0.25

0.30*

0.25

0.3

0.3

Manganese %

0.95

1.2

0.95

1.2

1.2

Phosphorous, max. %

0.05

0.05

0.05

0.05

0.05

Sulfur, max. %

0.045

0.045

0.045

0.045

0.045

Copper, max.%

0.40

0.40

0.40

0.4

0.4

Nickel, max. %

0.40

0.40

0.40

0.4

0.4

Chromium, max. %

0.40

0.40

0.40

0.4

0.4

Molybdenum, max. %

0.15

0.15

0.15

0.15

0.15

Vanadium, max. %

0.08

0.08

0.08

0.08

0.08

NOTE: An increase of 0.06 percent manganese over the given maximum will be authorized for each reduction of less than 0.01 percent below the specified carbon limit, up to a maximum of 1.65 percent (does not apply to SA53).

Mechanical Properties of AS/NZS 1074 Pipes

AS/NZS 1074 Mechanical Properties

Minimum Requirement

Yield Strength (MPa)

195

Tensile Strength (MPa)

320

Elongation (%)

20

Dimensions and Sizes of AS/NZS 1074 Pipe

Size

Class

O.D. (mm)

W.T. (mm)

Weight

(Plain End)

(kg/mtr.)

Weight

(Socketed)

(kg/mtr.)

Pcs/Bundle

DN

Inch

Min

Max

15

1⁄2″

L

21.0

21.4

2.00

0.947

0.956

217

20

3⁄4″

L

26.4

26.9

2.30

1.380

1.390

127

25

1″

L

33.2

33.8

2.60

1.980

2.000

91

32

11⁄4″

L

41.9

42.5

2.60

2.540

2.570

61

40

11⁄2″

L

47.8

48.4

2.90

3.230

3.270

61

50

2″

L

59.6

60.2

2.90

4.080

4.150

37

65

21⁄2″

L

75.2

76.0

3.20

5.710

5.830

37

80

3″

L

87.9

88.7

3.20

6.720

6.890

19

100

4″

L

113.0

113.9

3.60

9.750

10.000

19

15

1⁄2″

M

21.1

21.7

2.60

1.210

1.220

217

20

3⁄4″

M

26.6

27.2

2.60

1.560

1.570

127

25

1″

M

33.4

34.2

3.20

2.410

2.430

91

32

11⁄4″

M

42.1

42.9

3.20

3.100

3.130

61

40

11⁄2″

M

48.0

48.8

3.20

3.570

3.610

61

50

2″

M

59.8

60.8

3.60

5.030

5.100

37

65

21⁄2″

M

75.4

76.6

3.60

6.430

6.550

37

80

3″

M

88.1

89.5

4.00

8.370

8.540

19

100

4″

M

113.3

114.9

4.50

12.200

12.500

19

125

5″

M

138.7

140.6

5.00

16.600

17.100

13

150

6″

M

164.1

166.1

5.00

19.700

20.300

10

15

1⁄2″

H

21.1

21.7

3.20

1.440

1.450

217

20

3⁄4″

H

26.6

27.2

3.20

1.870

1.880

127

25

1″

H

33.4

34.2

4.00

2.940

2.960

91

32

11⁄4″

H

42.1

42.9

4.00

3.800

3.830

61

40

11⁄2″

H

48.0

48.8

4.00

4.380

4.420

61

50

2″

H

59.8

60.8

4.50

6.190

6.260

37

65

21⁄2″

H

75.4

76.6

4.50

7.930

8.050

37

80

3″

H

88.1

89.5

5.00

10.300

10.500

19

100

4″

H

113.3

114.9

5.40

14.500

14.800

19

125

5″

H

138.7

140.6

5.40

17.900

18.400

13

150

5″

H

164.1

166.1

5.40

21.300

21.900

10

Manufacturing Tolerances of AS/NZS 1074

AS/NZS 1074 Manufacturing Parameter

Tolerances

Outer Diameter

Check the size chart below

Wall Thickness

-8%, +unlimited (Light)

-10%, +unlimited (Medium and Heavy)

Straightness

0.20% of Total Length

Unit Length

± 0.08m

Thickness Identification of AS/NZS 1074

Thickness Identification

Extra Light

Green

Light

Yellow

Medium

Blue

Heavy

Red

Test and Inspections of AS/NZS 1074

- Leak Tightness Test

  • Online NDT
  • Hydro-test

- Flattening Test (90°)

  • Flatten the tube up to 75% of its original outside diameter (OD) for weld testing purposes. It should not have any cracks in it.
  • Flatten the tube up to 60% of its original outside diameter (OD). There are no flaws in the metal other than those in the welds themselves.
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