AS1163 C450L0

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AS1163 C450L0

AS1163 C450L0 is a steel grade of hollow section steels specified in the AS/NZS 1163 standard. The nominal minimum yield strength of hollow sections is used to determine the grade classification (in MPa). The prefix “C” is used before the value of the nominal yield strength of the steel to indicate that the section is cold-formed. Only cold-formed structural steel hollow sections are covered by AS1163. Also, if the number is followed by a suffix “L0”, this steel grade must meet the impact test requirements. As a result, AS1163 C450L0 means cold-formed structural steel hollow sections with 450 MPa minimum yield strength, and it must meet the impact test requirements. By meeting these two criteria, AS1163 C450L0 assures that it is a high-quality steel grade that can be used in various structural applications.

AS1163 is an Australian/New Zealand Standard that covers the requirements for cold-formed, electric resistance-welded, steel hollow sections used for structural purposes. It applies to structural hollow sections formed cold without subsequent heat treatment. The Standard considers three strength grades, with or without impact properties, that are suitable for welding. This Standard is important because it ensures that steel hollow sections used for structural purposes meet minimum requirements for strength, ductility, elongation, weldability, and fracture toughness. This Standard is essential for anyone who produces or uses steel hollow sections in structural applications. By setting minimum requirements, the Standard helps to ensure that the steel hollow section produced meets a basic level of quality. This gives producers and users confidence that the steel hollow sections they are using will meet the necessary standards. The Standard also provides a basis for testing and certification of steel hollow sections. This can give users further assurance that the products they are using meet the required standards. Overall, AS1163 is an important Standard that helps to ensure the quality of steel hollow sections used in structural applications.

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Dimensions and Sizes of AS1163 C450L0 Pipe

Outside Diameter Thickness Mass per Unit Length Outside Diameter Thickness Mass per Unit Length
O . D . W . T . Weight O . D . W . T . Weight
mm mm kg / m mm mm kg / m
42.4 3.2 3.09 165.1 3.0 12.00
42.4 4.0 3.79 165.1 3.5 13.90
42.4 4.9 4.53 165.1 5.0 19.70
48.3 3.2 3.56 165.1 5.4 21.30
48.3 4.0 4.37 168.3 4.8 19.40
48.3 5.4 5.71 168.3 6.4 25.60
60.3 3.6 5.03 168.3 7.1 28.20
60.3 4.5 6.19 219.1 4.8 25.40
60.3 5.4 7.31 219.1 6.4 33.60
76.1 2.3 4.19 219.1 8.2 42.60
76.1 3.2 5.75 273.1 4.8 31.80
76.1 3.6 6.44 273.1 6.4 42.10
76.1 4.5 7.95 273.1 9.3 60.50
76.1 5.9 10.20 323.9 6.4 50.10
88.9 2.6 5.53 323.9 9.5 73.70
88.9 3.2 6.76 323.9 12.7 97.50
88.9 4.0 8.38 355.6 6.4 55.10
88.9 4.8 9.96 355.6 9.5 81.10
88.9 5.0 10.30 355.6 12.7 107.00
88.9 5.5 11.30 406.4 6.4 63.10
88.9 5.9 12.10 406.4 9.5 93.00
101.6 2.6 6.35 406.4 12.7 123.00
101.6 3.2 7.77 457.0 6.4 71.10
101.6 4.0 9.63 457.0 9.5 105.00
101.6 5.0 11.90 457.0 12.7 139.00
114.3 3.2 8.77 508.0 6.4 79.20
114.3 3.6 9.83 508.0 9.5 117.00
114.3 4.5 12.20 508.0 12.7 155.00
114.3 4.8 13.00 610.0 6.4 95.30
114.3 5.4 14.50 610.0 9.5 141.00
114.3 6.0 16.00 610.0 12.7 187.00
139.7 3.0 10.10
139.7 3.5 11.80
139.7 5.0 16.60
139.7 5.4 17.90

Chemical Composition of AS1163 C450L0 Materials

Sampling from AS1163 C450L0 is the process of taking a small representative portion of a material for testing. It is an essential step in ensuring the accuracy of chemical analysis, as the test results can only be as reliable as the sample that is being tested.There are a number of different methods that can be used for sampling, but the most important thing is to ensure that the sample is representative of the material as a whole. The method of sampling should be in accordance with AS/NZS 1050.1 or ISO 14284, and the chemical composition should be determined in accordance with AS/NZS 1050 series Standards or other procedures that achieve the same, or better, degree of accuracy. By following these guidelines, we can be confident that the results of our tests are accurate and reliable.

Grades AS1163 C450L0 Requirements on Chemical Composition (Cast or Product Analysis % Max)
C Si Mn P S Cr Mo Al Ti Micro-alloying elements CE
AS/NZS 1163 C450L0 0.2 0.25 1.7 0.03 0.03 0.3 0.35 0.1 0.04 0.15 0.43

Mechanical Properties of AS1163 C450L0 Materials

Tensile tests, impact tests, and flattening tests are very important when measuring the mechanical properties of AS1163 C450L0 materials. These tests help determine the material’s ability to resist forces that can cause it to break or deform. The tensile test measures a material’s ability to withstand pulling forces, while the impact test measures its resistance to shattering forces. The flattening test, meanwhile, assesses a material’s ability to resist crushing forces. Each of these tests is essential for understanding the overall strength and durability of AS1163 C450L0 materials. By assessing the results of these tests, engineers can ensure that these materials will be able to perform as intended in a variety of applications. For example, the results of these tests can be used to determine the appropriate thickness for an AS1163 C450L0 material application. By understanding how these materials will respond to different types of forces, engineers can ensure that they are using the right material for the job. Consequently, these tests play an essential role in ensuring the safety and performance of AS/NZS 1163 materials.

- AS1163 C450L0 Tensile Test Requirements

Grade Minimum yield strength MPa Minimum tensile strength MPa Minimum elongation as a proportion of the gauge length of 5.65√S。( see Note )%
Circular hollow sections d0 / t Rectangular hollow sections b / t , d / t
≤15 >15≤30 >30 ≤15 >15≤30 >30
C250,C250LO 250 320 18 20 22 14 16 18
C350,C350LO 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 ).

- AS1163 C450L0 Charpy V-Notch Impact Test Requirements

CHARPY V – NOTCH IMPACT TEST REQUIREMENTS
Grade Test temperature ℃ Minimum absorbed energy , J
Size of test piece
10 mm x10 mm 10 mm x 7.5 mm 10mmx5mm
Average of 3 tests Individual test Average of 3 tests Individual test Average of 3 tests Individual test
C250LO C350L0 C450LO 0 27 20 22 16 18 13

The tolerances of AS1163 C450L0 Standard

AS1163 C450L0 cold-formed hollow sections are often used in load-bearing applications, and even small deviations from the nominal dimensions can lead to significant changes in performance. As a result, it is important to ensure that cold-formed hollow sections meet the tolerances given in the tables below. The first table is for shape and mass, while the second is for length. As can be seen, the tolerances are relatively tight, especially for mass. This is due to the fact that hollow sections are often used in load-bearing applications, and even small deviations from the nominal dimensions can lead to significant changes in performance. As a result, it is important to ensure that cold-formed hollow sections meet the tolerances given in the tables below. Doing so will help to ensure that they perform as intended and do not fail prematurely.

- AS1163 C450L0 Tolerance for Shape and Mass

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( see Note 1)
Concavity / convexity ( see Note 2) Max .0.8% or 0.5 mm , whichever is greater
Squareness of sides 90°±1°
External corner profile See Table 5
Twist ( v ) 2 mm +0.5 mm / m length
Straightness ( see 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 Where the diameter to thickness ratio exceeds 100, the tolerance on out – of – roundness becomes the subject of agreement between the manufacturer and purchaser . 2 The tolerance on convexity and concavity is independent of the tolerance on external dimensions . 3 The straightness tolerance applies to straightness in any one plane . 4 In lieu of any other requirement , the specified mass is considered to be the nominal mass as noted in Clause 15.

- AS1163 C450L0 Tolerance on Length

Type of length Range mm Tolerance
Random length 4000 to 16000 with a range of 2000 per order item 10% of sections supplied may be below the minimum for the ordered range but not less than 75% of the minimum
Mill ( or ‘ unspecified ‘) length All +100 mm -0
Precision length <6000 +5 mm -0
≥6000≤10000 +15 mm -0
>10000 +5 mm +1 mm / m -0
NOTE : The enquiry and order shall indicate the type of length required and the length or length range , as appropriate . Alternatively , length tolerances shall be specified at the time of order .

AS1163 C450L0 and API 5L X52 Dual Specs Pipe

Pipes that meet both AS1163 C450L0 and API 5L X52 requirements are in high demand, as are materials that meet both standards. The mechanical and chemical testing that we do to demonstrate compliance with these materials requirements is extensive. When it comes to verifying compliance with tensile and fracture toughness requirements, API 5L and AS/NZS 1163 have separate test protocols in place. To establish structural and pressure integrity, hydrostatic pressure tests and non-destructive weld inspection are also done.

- Properties Comparison:

Standard API 5L AS1163
Grade X52 C450L0
Yield Strength (MPa) 360 350
Tensile Strength (MPa) 460 430
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 AS1163
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 16.0mm max
Linear Mass 0.02466t(D-t) (+10%,-3.5%) 0.02466t(D-t) (+4%,-0%)
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