AS/NZS 1163

What is AS_NZS 1163

What is AS/NZS 1163?

Standard Overview:

AS/NZS 1163 Cold-formed structural steel hollow sections, a premium product that meets the rigorous Australian/New Zealand Standards.
These hollow sections are cold-formed and electric resistance-welded, ensuring the highest quality for structural purposes.

Pipe Characteristics:

Available in three strength grades, with or without impact properties, our steel hollow sections are suitable for welding and are formed cold without subsequent heat treatment.

Specification of AS 1163

Our AS/NZS 1163 Cold-formed structural steel hollow sections come with precise specifications to meet your needs. The dimensions are tailored to your requirements, and the production procedures adhere to the highest standards. We offer various steel grades, including C250/ C250L0, C350/C350L0, C450/C450L0, and provide surface coatings that enhance durability. The end types and joint methods are customizable, and our machining services ensure a perfect fit for your project. With UNIASEN, you receive a product that is not only compliant with international standards but also customized to your specific needs.

  • Standard: AS/NZS 1163
  • Procedure: ERW (CHS), HOLLOW SECTION (RHS, SHS)
  • Dimensions: 13.5mm -610mm, 20*20 – 400*400mm
  • Thickness: 2.3mm – 12.7mm, 1.6 – 16mm
  • Unit Length: Random: 4 – 16mtrs

                           Fixed length be specified at time of order

  • Steel Grade: C250 C250L0, C350 C350L0, C450 C450L0
  • Surface Coating: NOPC. Varnishing, Oiling, Hot Dip Galvanizing

                                  FBE, 2PP, 3PP, 2PE, 3PE

  • End Type: Square Cut, Plain, Bevelled, Threaded, Grooved
  • Joint Method: Fitting, Flange, Coupling, Clamp, Pipe Shoulder, Welding
  • Pipe Machining: Welding, Bending, Hole Drilling, Punching, Swaging, Tapering, Flaring, Expanding

Sizes of AS 1163 Pipe

The dimension table for our AS/NZS 1163 Cold-formed structural steel hollow sections is meticulously crafted to ensure accuracy and compatibility with your project. We offer a wide range of sizes, shapes, and thicknesses, all conforming to the stringent Australian/New Zealand Standard. Our experts are at your service to guide you through the selection process, ensuring that the dimensions align perfectly with your structural and engineering needs. With UNIASEN, you can be confident that the dimensions of your steel hollow sections are precise, consistent, and tailored to your specifications.

Outside Diameter
(mm)

Circular Hollow Sections Wall Thickness
(mm)

OD

42.2

3.2 

4.0 

4.9 

–

–

–

–

48.3

3.2 

4.0 

5.4 

–

–

–

–

60.3

3.6 

4.5 

5.4 

–

–

–

–

76.1 

2.3

3.2

3.6 

4.5 

5.9 

–

–

88.9

2.6

3.2

4.0 

4.8

5.0 

5.5

5.9 

101.6

2.6

3.2

4.0 

5.0 

–

–

–

114.3

3.2

3.6

4.5 

5.4 

4.8 

6.0 

–

139.7

3.0

3.5

5.0 

5.4 

–

–

–

165.1

3

3.5

5.0 

5.4 

–

–

–

168.3

4.8 

6.4 

7.1 

–

–

–

–

219.1

4.8 

6.4 

8.2 

–

–

–

–

273.1

4.8 

6.4 

9.3 

–

–

–

–

323.9

6.4 

9.5 

12.7 

–

–

–

–

355.6

6.4 

9.5 

12.7 

–

–

–

–

406.4

6.4 

9.5 

12.7 

–

–

–

–

457 

6.4 

9.5 

12.7 

–

–

–

–

508

6.4 

9.5 

12.7 

–

–

–

–

610

6.4 

9.5 

12.7 

–

–

–

–

 

Size(mm)

Square Hollow Sections Wall Thickness
(mm)

20 x 20

1.6 

–

–

–

–

–

25 x 25

1.6 

2.0 

2.5 

3.0 

–

–

30 x 30

1.6 

2.0 

–

–

–

–

35 x 35

1.6 

2.0 

2.5 

3.0 

–

–

40 x 40

1.6 

2.0 

2.5 

4.0 

–

–

50 x 50

1.6 

2.0 

2.5 

3.0 

4.0 

–

65 x 65

2.0 

2.5 

3.0 

–

–

–

75 x 75

2.5 

3.0 

3.5 

4.0 

5.0 

6.0 

89 x 89

3.5 

5.0 

6.0 

–

–

–

100 x 100

3.0 

4.0 

5.0 

6.0 

9.0 

–

125 x 125

4.0 

5.0 

6.0 

9.0 

–

–

150 x 150

5.0 

6.0 

9.0 

–

–

–

200 x 200

5.0 

6.0 

9.0 

–

–

–

250 x 250

6.0 

9.0 

–

–

–

–

Chemical Requirement of AS 1163 Cold-formed structural steel hollow sections

At UNIASEN, we understand the importance of chemical composition in structural steel. Our AS/NZS 1163 Cold-formed structural steel hollow sections are manufactured with a specific chemical composition that meets the Australian/New Zealand Standard. This ensures optimal strength, durability, and weldability. We adhere to strict quality control measures to maintain the integrity of the chemical components, providing you with a product that performs consistently and reliably. Trust in our commitment to excellence, knowing that the chemical requirements of your steel hollow sections are in expert hands.

CHEMICAL COMPOSITION

Grades
(see
Note 1)

Chemical Composition (cast or product analysis) (see Note 2)
% max.

C

Si

Mn

P

S

Cr

Mo

Al
(see Note 3)

Ti

Micro-alloying
elements

CE
(see Note 4)

C250,
C250L0

0.12

0.05

0.50

0.03

0.03

0.15

0.10

0.10

0.04

0.03
(see Note 5)

0.25

C350,
C350L0

0.20

0.25

1.60

0.03

0.03

0.30

0.10

0.10

0.04

0.15
(see Note 6)

0.43

C450,
C450L0

0.20

0.25
(see Note 7)

1.70

0.03

0.03

0.30

0.35

0.10

0.04

0.15
(see Note 6)

0.43

NOTES:
1       The use of sulphide modification manufacturing techniques for these grades is permitted.
2       The following elements may be present to the limits stated:
         (a)        Copper            0 .25%.
         (b)         Nickel             0 .25% .
3       Limits specified are for soluble or total aluminum.
4       Carbon equivalent (CE) is calculated from the following equation: 

5      Applies to niobium and vanadium only. However, niobium greater than 0.010% is not permitted.
6      Applies to niobium, vanadium and titanium only. However, vanadium greater than 0 . 10% is not permitted.
7      For circular hollow sections (CHS), the silicon limit shall be 0.45.

Mechanical Requirement

The mechanical requirements of our AS/NZS 1163 Cold-formed structural steel hollow sections are designed to provide superior performance and resilience. We ensure that the mechanical properties such as tensile strength, yield strength, and elongation meet the stringent standards set by the Australian/New Zealand authorities. Our quality control processes guarantee that these mechanical attributes are maintained throughout the production process, offering you a product that stands up to the demands of your project. With UNIASEN, you benefit from steel hollow sections that are engineered for success.

 

TENSILE TEST REQUIREMENTS

Grade

Minimum
Yield
StrengthMPa

Minimum
Tensile
StrengthMPa

Minimum Elongation as a Proportion
of  The Gauge Length of 5.65√So  (see Note)
%

Circular Hollow Sections

do/t

Rectangular Hollow Sections

b/t, d/t

≤15

>15≤ 30

>30

≤15

>15 ≤30

>30

C250, C250L0

250

320

18

20

22

14

16

18

C350, C350L0

350

430

16

18

20

12

14

16

C450, C450L0

450

500

12

14

16

10

12

14

NOTE： These limits apply to the face from which the tensile test is taken. That is, for RHS, the use of  b/t or d/t  ratio is dependent on which face the test specimen is cut from.  For  SHS,  there is only one ratio (as b = d).

 

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CHARPY V-NOTCH IMPACT TEST REQUIREMENTS

Grade

Test
temperature°C

Minimum absorbed energy, J

Size of test piece

10 mm  ×   10 mm

10 mm ×   7.5 mm

10 mm  ×  5 mm

Average
of 3 tests

Individual
test

Average
of 3 tests

Individual
test

Average
of 3 tests

Individual
test

C250L0
C350L0
C450L0

0

27

20

22

16

18

13

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