Standards

Quite clear, this British Standard deals with the classification and definition of steel grades. It was prepared by Technical Committee ECISS/TC6 and replaces the standard EN 10020:1988 which is now considered obsolete. The document consists of the four chapters - scope - term and definition - classification by chemical composition - classification of main quality classes. ​

The first two parts provide some standard definitions that are in use by BS EN. The part dealing with the chemical composition tells readers about the alloy contents, definition of alloy classes, stainless and non-alloy steels, as well as of the other alloy steels. The last part describes the non-alloy quality and special steels, stainless steels, other alloy steels and allow quality and special steels from the classification viewpoint. The table in the booklet describes boundary between alloy and non-alloy steels (specified elements vs limit values).

Another table is dedicated to the weldable fine grained alloy steels. The standard takes into account all latest developments in the iron and steel industry as well as recent progress in EU standardization so will definitely be useful and practical.

The specification that we are presenting to your attention today addresses the wildcats that are currently utilized in windlasses for hauling in and paying out the anchor chains on board marine vessels and offshore facilities. When ship has been anchored, or anchor has been housed, the chain stopper is used to secure the anchor chain.

The wildcats that are referred to in the present standard specification by ASTM are of the five whelp type and shall to be used with stud link chains conforming to the ABS Grades 1, 2 and 3. The dimensions of these wildcats have been provided for the anchor chains in integral three-millimeter steps, ranging in size from 19 to 104 mm. The dimensions in intermediate steps (1.5 mm) have not been provided in this paper; however, the use of the wildcats of such sizes is also permitted within the scope of the present regulatory document.

The material arrangement in the standard specification is as follows: scope - referenced documents - classification - description of terms - ordering information - materials and manufacture - dimensions - workmanship, finish, and appearance - test methods - inspection - marking - packaging - keywords. As it is the case with all ASTM publications, full coverage of all technical aspects makes the publication practical and useful.

This standard specification no. F722-82 was first released in 1982 and then got reapproved in 1998 - it covers all typical details of the welded joints that are nowadays in common use when constructing various piping systems on board ships. Such joints may be utilized provided that the WP (welding procedures) proposed for use, were qualified as per the applicable regulations and/or rules.

The publication consists of five parts - the first part defines the scope of the document, while the second part provides the list of referenced documents. The third part provides information on the application, service, limitations, and list of weld joint details. The fourth part of the document explains piping classifications and butt weld reinforcements. The last part of the paper contains keywords. there are several tables in the document providing necessary data, e.g. maximum but weld reinforcement, and figures for better illustration o the technical information, such as the cross-section of the butt joint, etc.

An excellent technical reference for welders and welding engineers, designers and inspectors. You will not only find the requirements to the welding but will also get some minimum knowledge of the basics.

This official ASTM guide is released to provide the industry professionals with a good overview and guidance for the proper selection and further implementation of the FMS by ship operators and owners. The abbreviation FMS stands for the Fleet Management Systems. Such system is mission critical 24x265 and is generally a computer system consisting of one or more LITP and one or more SITP, which are the land-based and shipboard information technology platforms, correspondingly. The SITP enables multiple computers on board the ship to share the data and to communicate with the other ships or with the shore base.

The SITP itself consists of several components, such as the hardware, software, data repository, procedures providing the ability to store and transfer data. It is not the actual intention of the authors of this document to deal with all requirements that are applicable to SITP, forming a path for the data for the direct controlling of the operations and conditions of ships or their systems. It shall be possible for all navigation equipment belonging to the Navigational Equipment Bus to be able to operate and display all essential data , being totally independent of the FMS. Same applies to the units resident on the Control, Monitoring and Alarm Bus. All values in this document are in SI units.

The officially release IACS Standard covering the ship building and ship repair quality requirements. The content is arranged in two parts, the first part concentrates on ship construction/repair quality standards applicable to the new construction projects, while the second part of the document focuses on the existing vessels.

The content of Part A is divided into nine major chapters; the first two chapters define the scope of the standard and provide the general technical requirements to be used for the new construction. The other chapters of the document address the qualification of the personnel performing the construction and/or repair works and procedures used when conducting the works, including welders and non-destructive evaluation operators, materials used for fabrication of the structural members, including surface conditions and thickness tolerances, gas cutting issues, fabrication and fairness, covering the flanged structural elements, bulkheads (including corrugated ones) shapes, block assembly, heating temperatures, plating fairness with and between the frames, pre-heating and other associated techniques, alignment matters, welding - typical butt and fillet welds. geometrical characteristics and quality of the welds, and repair works.

The layout of the Part B is more or less similar. In general, the requirements are presented in a form of the tables and illustrations making the understanding and following the standard much easier...