AS/NZS 1163 C350 L0

AS/NZS 1163 C350 L0

AS/NZS 1163 C350 L0 is an Australian standard for cold-formed structural steel hollow sections with specific steel grade specifications. The grade classification (C350) is based on the steel’s notional minimum yield strength (in MPa). To indicate that the section is cold-formed, the prefix ‘C’ is used before the value of the nominal yield strength of the steel. AS 1163 only applies to cold-formed structural steel hollow sections. According to AS 1163, the suffix ‘L0’ signifies impact properties at 0°C.

PRODUCT FEATURES

Dimensions and Sizes of AS1163 C350 L0 Pipe

NPS

O. D.

Nominal Wall Thickness

DN

Inch

mm

SCH5S

SCH10S

SCH10

SCH20

SCH30

SCH40

SCH60

SCH80

SCH100

SCH120

SCH140

SCH160

STD

XS

XXS

50

2″

60.3

1.65

2.77

3.91

5.54

8.74

3.91

5.54

11.07

65

2-1/2″

76

2.11

3.05

5.16

7.01

9.53

5.16

7.01

14.02

80

3″

88.9

2.11

3.05

5.49

7.62

11.13

5.49

7.52

15.24

90

3-1/2″

101.6

2.11

3.05

5.74

8.08

5.74

8.08

100

4″

114.3

2.11

3.05

6.02

8.58

11.13

13.49

6.02

8.56

17.12

125

5″

141.3

2.77

3.4

6.55

9.53

12.7

15.88

6.55

9.53

18.05

150

6″

168.3

2.77

3.4

7.11

10.97

14.27

18.26

7.11

10.97

21.95

200

8″

219.1

2.77

3.76

6.35

7.04

8.18

10.31

12.7

15.09

18.26

20.62

23.01

8.18

12.7

22.23

250

10″

273.1

3.4

4.19

6.35

7.8

9.27

12.7

15.09

18.26

21.44

25.4

28.58

9.27

12.7

25.4

300

12″

323.9

3.96

4.57

6.35

8.38

10.31

14.27

17.48

21.44

25.4

28.58

33.32

9.53

12.7

25.4

350

14″

355.5

3.96

4.78

6.35

7.92

9.53

11.13

15.09

19.05

23.83

27.79

31.75

35.71

9.53

12.7

400

16″

406.4

4.19

4.78

6.35

7.92

9.53

12.7

16.66

21.44

26.19

30.96

36.53

40.49

9.53

12.7

450

18″

457.2

4.19

4.78

6.35

7.92

11.13

14.27

19.05

23.83

39.36

34.93

39.67

45.24

500

20″

508

4.78

5.54

6.35

9.53

12.7

15.09

20.62

26.19

32.54

38.1

44.45

50.01

550

22″

558.8

4.78

5.54

6.35

9.53

12.7

22.23

28.58

34.93

41.28

47.63

53.98

600

24″

609.6

5.54

6.35

6.35

9.53

14.27

17.48

24.61

30.96

38.89

46.02

52.37

59.54

Chemical Composition of AS 1163 C350 L0 Pipes

Grades

Chemical Composition of AS 1163 C350 L0 materials

(Cast or product analysis)            % max.

C

Si

Mn

P

S

Cr

Mo

Al

Ti

Micro-alloying elements

CE

C350 L0

0.20

0.25

1.60

0.03

0.03

0.30

0.10

0.10

0.04

0.15

0.43

Tensile Test Requirements of AS 1163 C350 L0 Pipes

Grade

Minimum

yield

strength

MPa

Minimum tensile

strength

MPa

Minimum elongation   %

Circular hollow sections

do/t

Rectangular hollow sections

b/t, d/t

~15

>15 ~30

>30

~15

>15 ~30

>30

C350 L0

350

430

16

18

20

12

14

16

NOTE: These limitations only apply to the face on which the tensile test is conducted. That is, whether face the test specimen is cut from determines whether the b/t or d/t ratio is used for RHS. For SHS, there is only one ratio (as b = d).

Shape and Weight Tolerances of AS 1163 C350 L0 Pipes

Characteristic

Circular Hollow Sections

Square and Rectangular Hollow Sections

External dimensions (do, d and b)

±1%, with a minimum of ±0.5 mm

and a maximum of ±10 mm

±1%, with minimum of ±0.5 mm

Thickness (t)

For do £ 406.4 mm: ±10%

For do > 406.4 mm:

±10% with a max of ±2 mm

±10%

Out-of-roundness (o)

±2% for hollow sections having a diameter to thickness ratio not exceeding 100 (Check Note 1)

Concavity/convexity

(Check Note 2)

Max. 0.8% or 0.5 mm, whichever is greater

Squareness of sides

90°±1°

External corner profile

Check Table 5

Twist (v)

2 mm + 0.5 mm/m length

Straightness (Check Note 3)

0.20% of total length

0.15% of total length

Mass (m) per unit length

Not less than 0.96 times the specified mass (Note 4) on individual lengths

NOTES:

  1. When the diameter to thickness ratio hits 100, the manufacturer and consumer must agree on an out-of-roundness tolerance.
  2. External dimension tolerances have no bearing on convexity and concavity tolerances.
  3. Straightness in any one plane is covered by the straightness tolerance.
  4. The specified mass is taken as the nominal mass in the absence of any other condition.

Length Tolerances of AS 1163 C350 L0 Pipes

Type of length

Range mm

Tolerance

Random length

4000 to 16000 with a range of 2000 per order item

10% of the sections delivered may be less than the minimum for the ordered range, but not less than 75% of the minimum

Mill length

(or “unspecified”)

All

+100 mm

–0mm

Precision length

<6000

+5 mm

–0mm

6000 ~ 10000

+15 mm

–0mm

>10000

+5 mm, + 1 mm/m

–0mm

NOTE: The inquiry and order must specify the type of length desired as well as the length or length range, as applicable. Alternatively, length tolerances must be provided when the order is placed.

AS/NZS 1163 C350 L0 and API 5L X42 Dual Specs Pipes

There is a large demand for dual spec pipes, such as materials in AS/NZS 1163 C350 L0 / API 5L X42 standards. We perform a variety of mechanical/chemical testing to show compliance with all two materials standards. API 5L and AS/NZS 1163 both require different test procedures to confirm compliance with tensile and fracture toughness parameters. Hydrostatic pressure tests and non-destructive weld inspection are also performed to demonstrate structural and pressure integrity.

– Properties Comparison

Standard

API 5L

AS/NZS 1163

Grade

X42

C350 L0

Yield Strength (MPa)

290

350

Tensile Strength (MPa)

414

430

Comments

Longitudinal Test Direction < 219.1mm O.D.

Transverse Test Direction ≥ 219.1mm O.D.

Longitudinal Test Direction Aged for 15 mins at 150~200℃

– Tolerances Comparison

Specifications

API 5L

AS/NZS 1163

Dimensional

Tolerances

Thickness

≤ 5.0mm ± 0.5mm

± 10%

5.0 ~ 15.0mm ± 10%

≥ 15.0mm ± 1.5mm

Straightness

L/500

L/500

Bevel Angle

30°(+5°, -0°)

Not Specified

Bevel Root Face

1.6mm ± 0.8mm

End Squareness

16.mm max

Linear Mass

0.02466t(D-t)

(+10%,-3.5%)

0.02466t(D-t)

(+4%,-0%)

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