AS/NZS 1074 Carbon Steel Pipe Specifications

AS/NZS 1074 Pipe

Standard Overview:

AS 1074 is part of the Australian Standard and is designed to meet the strict standards set by Australia and New Zealand. This standard regulates the design, manufacture and installation of steel water pipes.

Main Material:

Carbon Steel

Scope of Application:

This standard covers plain-ended pipes from DN 8 to DN 150 (nominal sizes). We summarized the corresponding dimensional specifications, chemical requirements, and mechanical requirements of this standard.

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Specification of AS 1074

Standard	AS 1074
Procedure	ERW, SMLS
Dimensions	13.7mm – 164.1mm
	1/4″ – 6″
	DN8 – DN150
Thickness	1.8mm – 5.4mm
Thickness	Light Medium Heavy
Unit Length	5 – 18 mtrs
Steel Grade	≥Q195
Surface Coating	Bare, Varnishing, Hot Dip Galvanizing
End Type	Plain, Threaded, Grooved
Joint Method	Fitting, Flange, Coupling, Pipe Shoulder, Welding
Pipe Machining	Welding, Bending, Hole Drilling, Punching, Swaging, Tapering, Flaring, Expanding

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Dimensions and Sizes of AS 1074 PIPE

Dimensions Of Steel Tubes — Heavy
Nominal size	Outside diameter mm		Thickness mm	Mass of black tube kg/m
Nominal size	Min.	Max.	Thickness mm	Plain or screwed ends	Screwed and socketed
DN 8	13.3	13.9	2.9	0.765	0.769
DN 10	16.8	17.4	2.9	1.02	1.03
DN 15	21.1	21.7	3.2	1.44	1.45
DN 20	26.6	27.2	3.2	1.87	1.88
DN 25	33.4	34.2	4	2.94	2.96
DN 32	42.1	42.9	4	3.8	3.83
DN 40	48	48.8	4	4.38	4.42
DN 50	59.8	60.8	4.5	6.19	6.26
DN 65	75.4	76.6	4.5	7.93	8.05
DN 80	88.1	89.5	5	10.3	10.5
DN 100	113.3	114.9	5.4	14.5	14.8
DN 125	138.7	140.6	5.4	17.9	18.4
DN 150	164. 1	166. 1	5.4	21.3	21.9
NOTE: The dimensions and masses comply with ISO 65.

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Chemical Requirement OF AS 1074 PIPES

Chemical Composition	Max %
S (Sulfur)	0.045%
P(Phosphorus)	0.045%
CE(Carbon equivalent)	0.40%

Mechanical Requirement OF AS 1074 Carbon Steel Pipe

2.1 PROCESS OF MANUFACTURE. Tubes may be either welded or seamless.

2.2 MATERIAL. Steel pipe production should be made of steel with a sulfur content of no more than 0.045% and a phosphorus content of no more than 0.045%. The carbon equivalent, as determined by the subsequent formula, should remain below 0.4:

Mechanical Requirement OF AS 1074 pipe

The selected pipe shall be cut out and its length or shape shown according to the AS 1391 standard
(a) minimum yield strength:195 MPa;
(b) tensile strength：320 MPa to 460 MPa;
(c) at the specified length of 5.65√So, the elongation reaches at least 20%, where So represents the original cross-sectional area of the specimen.
NOTE: When other measurement methods are used to calculate the length, the corresponding elongation is set to 5.65√So, which can be determined by BS 3894:Part 1.

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AS 1074 Carbon Steel Pipe Testing

Nondestructive Testing:

Ultrasonic testing, magnetic particle testing, X-ray testing.

Hydraulic Pressure Test:

The pressure value depends on the size and design requirements of the steel pipe.

Bending Test:

The steel pipe is usually tested at 90 degrees.

Final Inspection Before Delivery:

Check the diameter, wall thickness, batch number, packaging, etc.

FAQs about AS 1074

what is as/nzs?

AS/NZS stands for Australian/New Zealand Standard. It is a set of technical specifications and guidelines developed by Standards Australia and Standards New Zealand, respectively.

These standards are used to ensure the quality, safety, and performance of products and services in both Australia and New Zealand.

In the context of steel pipes, AS/NZS standards may specify requirements for dimensions, materials, and performance characteristics. This ensures that the pipes meet the necessary standards for use in different applications.

UNIASEN also provides standards such as AS 1163. If you have more needs, please contact us.

What is AS 1074? What does it have to do with carbon steel pipes?

AS 1074 is a carbon steel pipe standard issued by Standards Australia. It stipulates various technical and performance requirements for carbon steel pipes to ensure their reliability and safety in different uses. We provide specific performance requirements and parameters.

What types of carbon steel pipes does AS 1074 apply to?

AS 1074 is suitable for a range of carbon steel pipes, including pipes used for water transmission, structural and mechanical applications. If you have other needs, contact us for a free quote.

What is the size range of AS 1074 standard pipe?

Our sizes cover DN 8 to DN 150 (nominal sizes).

How to ensure your carbon steel pipe products comply with AS 1074 standards?

We work with standards-compliant certification bodies to carry out the necessary testing and verification. Such as sealing test and bending test.

UNISEN’s tightness testing includes online non-destructive testing and hydrostatic testing.

Bend testing primarily determines a pipe’s ability to resist breaking or failing under pressure.

Through the above tests and inspections, we ensure that our products fully comply with AS 1074 standards.