In bs 970 standards, there are some other common steel grades, like en9, en19, en24, en36 etc. Bs970 specification for wrought steels for mechanical and allied engineering purposes part1 bs 97011991 specification for wrought steels for mechanical and allied engineering purposes. This part of bs 970 specifies the requirements for bright cold finished bars in carbon, carbon. Bs 970 standard is one steel specification for wrought steel for mechanical and allied engineering purposes. The en reference has continued to be used from that time many attempts over the years have been made to update and ci. Bs9701 historical revision information specification for wrought steels for mechanical and allied engineering purposes. Bs 970 steels heat treating steel free 30day trial. West yorkshire steel are stockholders and suppliers of british standard 970 steel specifications in round bar, flat bar and cut plate. Bs970 steels delivered nationwide by west yorkshire steel. Purchase the mechanical and physical properties of the british standard en steels b. Bs970 specification for wrought steels for mechanical and allied engineering purposes part1 bs 970 1 1991 specification for wrought steels for mechanical and allied engineering purposes.
Bs9701 specification for wrought steels for mechanical. The column on the left shows some of the steel grades stocked by hillfoot, while the middle columns show grades with similar chemistry, and the two columns on the right display grades for potential substitution. En8 carbon steel, 080m40 bs 970 specification otai special. The uk participation in its preparation was entrusted to technical committee wee46, nondestructive testing. Characterised by high strength and toughness in very large sections similar to en26 but with lower carbon content.
Section 1 of this part of bs 970 specifies the requirements for steelmaking and general testing and inspection procedures for the release of steel in the form of blooms, billets, slabs, bars, rods and forgings, used in the asrolled, asforged or softened condition as appropriate and in accordance with the specific requirements for the steels in sections 2 to 5 inclusive. Bs 970 part 21988 wrought steels for mechanical and allied. Steel grade equivalents the table below details similar grades to the most commonly used engineering steels. In earlier editions of bs 970 up to 1970 the most popular specification for bright mild steel was en3b, a loose specification with an analysis of 0. Form of supply west yorkshire steel are stockholders and suppliers of british standard 970 steel specifications in round bar, flat. Bs 970 part 21988 wrought steels for mechanical and allied engineering purposes requirements steel for the mfg of hot formed springs.
Characterised by high core strength, excellent toughness and fatigue resistance in relatively large sections with case hardness up to rc62 when carburized, hardened. Bs970 specification for wrought steels for mechanical and. If you do not find the bs970 specification you require on our web site please contact our sales team who may be able to assist you with your enquiry. En 40 to en 363 contains technical data and information in addition to mechanical and physical properties of the most commonly used range of steels in the united kingdom, the b. Wrought product steels for mechanical and allied engineering purposes. Before the publication of bsen 100883 in 1995 and bsen 10095 in 1999, bs 970 was the material standard that included stainless and heat resisting steel bars and rods in both hot rolled or black conditions part 1 and bright bar conditions part 3.
En8 steel grade belongs to the standard of bs 970 1955, which is a standard for wrought steel for mechanical and allied engineering purpose. Bs 970 specification for wrought steels for mechanical and allied. Whilst these are no longer available, we can supply equivalents to some of the grades. Chemical composition of stainless steels to bs 970 introduction. When the six digit system was introduced en3b was omitted and replaced by steels with a tighter chemical analysis, the harmonization of european steel. Bs 970 1955 pdf downloads at download free pdf files,ebooks and documents high tensile steel en 26 web tata steel international. Superseded by bs 9701, bs 9704, bs 9705, bs 9706 material en19 united kingdom b. List of british standards bs, code of practice cp and american society for testing and materials astm 4 of 12 bs 1204.
Stainless steel have appeared in various parts of different issues of bs 970, but were last shown only in parts 1 and 3. It specifies requirements for carbon and carbon manganese, alloy, freecutting and stainless steels normally supplied in the bright cold finished condition. Eng pocket book, kempes, other web sites, and leaflets. Diameters in bs970 grades are available as bright drawn and black hot rolled bar. List of articles in category bs970 1955 specifications. General inspection and testing procedures and specific requirements for carbon, car bon manganese, alloy and stainless steels powered by tcpdf. En8 carbon steel, 080m40 bs 970 specification otai. Stainless steels have appeared in various parts of different issues of bs 970, but were last shown only in parts 1 and 3. Grades can be supplied to your required lengths as one offs or multiple cut pieces. The original en or emergency number material designation was developed during the years of ww2 to aid the standardisation of steel reference specification and production of components produced from materials. En8 steel grade belongs to the standard of bs 9701955, which is a standard for wrought steel for mechanical and allied engineering purpose. If you require a steel grade listed below, contact us for advice on suitable modern equivalents. The mechanical and physical properties of the british. Dimension min max approx yield stressmpa bar, billet, forging.
Steel specification comparisons download a copy of our steel. Scribd is the worlds largest social reading and publishing site. En25 high tensile steel interlloy engineering steels. It is generally supplied in the hardened and tempered condition in the tensile range of 850 mpa t condition. The bs970 standard however was designed to clearly detail the carbon content and the specific type of steel via the numbers and letter given to the material as shown below steel type. Bs 970 also covered some low alloy steel grades as well as stainless steel. General inspection and testing procedures and specific requirements for carbon, carbon manganese, alloy and stainless steels.
There are some common steel grades in bs 970 standard, like en8. Bs 970 has covered a wide range of long product forms steel grades and finishes. Bs 970 stainless steel chemical composition bs 970 has covered a wide range of long product forms steel grades and finishes. And the most equivalent is grade 080m40 steel in bs 9701991. The source standarts should always be checked for the specific purpose for each material, in case of doubt. It is only applicable to steels supplied in straight lengths. We still get asked for steel grades that were part of the old british standard bs970 dating from 1955. Fourth edition january 1955 fifth edition july 1971 sixth edition december 1991 the following bsi references relate to the work on this standard. User can purchases different interface cable and makes the modification easily. Part 1 1996 is still current, but now only covers bars made. This three digit number indicates the type of steel. Min max chemical composition % criterion approx c 0.
Build in universal decoder adapting new interface development, the bs970 is built in a universal decoder that can be used with kb, serial, wand emulation and usb interface cable. Bs 970 also covered some low alloy steel grades as well as stainless steels. Part number bs970part1070m26 including related part numbers and nsn starting at page 1. Part 1 1983 1991, steel, manufacturer, mild steel, high carbon steel, steel grades, chemical composition, brisitsh standards for steel. All bsi british standards available online in electronic and print formats. Material properties comment application bs 970 low alloy crmo steel. Part number bs970 part 1 070m26 including related part numbers and nsn starting at page 1. And the most equivalent is grade 080m40 steel in bs 970 1991. Bs 970, for mechanical and allied engineering steel.
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