AS NZS 1554.1 PDF

AS/NZS Australian/New Zealand Standard. ™. Structural steel welding. Part 1: Welding of steel structures. A. S. /N. ZS AS/NZS Australian/New Zealand Standard™. Structural steel welding. Part 1: Welding of steel structures. Originated in Australia as AS CA8— Join our Senior Welding Engineer Alan McClintock as he brings to attention what to do if using steels not manufactured to AS/NZS

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The objective of this Standard is to qs rules for the welding of a wide range of steel constructions, and while it is expected that its main use will be for statically loaded welds, it applies also to some welds subject to fatigue.

AS 1554.1 & AS/NZS 1554.1

For plates with a thickness of not less than 20 mm, a portion of each multi-pass butt weld should be examined ultrasonically, to determine whether there are any transverse cracks within the weld metal. The specimen shall comply with the requirements of Clauses 5.

Re-qualification is not required where the change in classification is due to a change in classification Standard and equivalence is established see Clause 4. Electrical Non-destructive testing—Penetrant testing of products and components Cast steels Co py rig Methods for destructive testing of welds in metal Method 2.

Except where a greater hardness is permitted in accordance with Appendix D, Item ithe hardness of weld-heat-affected zones shall be not greater than HV Variations to the equipment requirements may be used upon agreement with the principal.

Licensed to Mr Vijai Moorthy on 31 March In most cases extending the procedure qualification will be particularly if both the trade name and classification of the welding known. When applying these thickness limitations, an adjustment to the minimum preheat temperature may be required see Clause 5.

This Standard incorporates Amendment No. Where the joint contains two welds, the size shall be the combined depths. All welds shall receive a full visual inspection in accordance with Section 6. The change of shape shall be gradual, with no evidence of splitting or cracking in the flattened portion.

Guidance as to the extent of non-destructive examination is given in Table 7. There are two t Your Name Enter your name – this will show on your post to identify you Your Message In order to assist us in reducing spam, please type the characters you see:.

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Unless it can be proved otherwise for the remainder of the test plate e. Latest Publications ae 2 3 4. Examples include but are not limited to a change from V-shape to U-shape, a change from V-shape to bevel-shape.

For more frequent listings or notification of revisions, amendments and withdrawals, Standards Australia and Aa New Zealand offer a number of update options. Care should be taken in applying this Table to imported steels as verification tests may be required. The main area of change affects the former type 12 and 13 designations which will now become type 13 although some type 13 consumables with good impact resistance due to the presence of basic minerals in the flux coating will most likely be classifiable as a type This applies to each task being performed such as drilling, cutting or welding.

A procedure qualification on a double-U butt weld shall also qualify for welding a single-U butt weld that has been welded on both sides.

15554.1 such penetration is achieved, the size of the 1545.1 may be correspondingly reduced. It should then involve a progressive reduction in frequency of testing, on the basis of achieving compliance with each test. Where welded joints in these structures are governed by dynamic loading conditions, this Standard applies only to those welded joints that comply with the fatigue provisions of ASAS or NZS Restart the weld from the top of the taper slope.

Thickness limitations for butt welds shall comply with the following: The major technical changes incor Co py rig 4. Where a structure contains both categories, this nomination of appropriate categories will ensure that appropriate levels of supervision and inspection will be applied to the relevant parts of the structure. Excessive preheating should 155.1 avoided. Both retests shall comply with the test requirements.

Welding to AS/NZS of Boron Containing Steel

This Table is based on available statistical data on notch toughness characteristics of steels currently made in Australia or New Zealand. Where imperfections in excess of the limits in Table 6.

The transition slope between the parts shall be not steeper than 1: We also welcome suggestions for improvement in our Standards, and especially ass readers to notify us immediately of any apparent inaccuracies or ambiguities. The preheat 1545.1 methods given herein are designed to ad the risk of heataffected zone cold cracking under most fabrication circumstances. Criteria for the selection of the appropriate level of quality requirements Instructions for the qualification of welding procedures on steels not listed in Clause 2.

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Any imperfections observed may be assumed to extend the total length of the weld, unless additional sections are taken to show the extent of the imperfections. Based on records during the years to as supplied by the Australian Bureau of Meteorology.

AS NZS Welding Structural Steel_图文_百度文库

A procedure qualification on a single bevel butt weld that has been welded from only the one side shall qualify for welding a double bevel butt weld and a single bevel butt weld that has been welded on both sides. Should the measured preheat or inter-run temperature exceed the maximum inter-run temperature allowed when specifiedall welding shall be delayed and the weld allowed to cool until within the specified preheat and inter-run temperature limits.

The specimen shall comply with the requirements given in Table 4.

In welds made from two sides, specimens shall be taken from the first welded side. Thus, such instructions should be agreed between the fabricator and principal.

Under no circumstances are you permitted to sell, transfer or copy this PDF file, the one permitted printed copy of this PDF file, or any part of either of them.

Some consumables may have classifications that vary from that shown. Provided that the fabricator has included sufficient information to correctly aw the trade name and previous classification of consumables used to qualify their weld procedures, the procedure tests do not need to be repeated with the adoption of the Ass based classification system.

Any recommendations of the manufacturer, covering protection during storage and use, conditioning and pretreatment of electrodes or filler wires prior to use, shall be followed. Technical Vibration Thermal Mass Low-damage solutions. There are occasions when direct lateral restraint to the botto Surfaces 11554.1 be welded and surfaces adjacent to a weld shall also be free from loose or thick scale, slag, rust, grease, paint or other foreign matter that could prevent proper welding.