BS 970 PDF


BS Incorporating. Amendment Nos. 1 and 2. Specification for. Wrought steel for mechanical and allied engineering purposes —. Part 3: Bright bars. BS - Download as PDF File .pdf), Text File .txt) or read online. BS steels - Download as PDF File .pdf), Text File .txt) or read online.

Bs 970 Pdf

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BS steel suppliers and stockholders delivering to the whole of the UK. suppliers of BS specifications in round bar, flat bar and steel plate. BS steel. to BS Part 1: Specification for wrought steels for mechanical and allied engineering purposes. Part 1. General inspection and. BS standard is one steel specification for wrought steel for mechanical and allied engineering purposes. You have free BS standard pdf file here.

For continuous high temperature service in the range - oC. Related specifications within the British, German and American steel standards are shown in the tables below. The comparisons shown in the tables are based on chemical composition and type analysis although some variations in the main analysis may exist.

Many thanks gioi. The steel in question is M40 the old EN24 and classified as through hardening. Contact Supplier BS M40 - pressure-vessel-steel c 40 material equivalent. Pressure Vessel Steel. BS M At JB Steel we pride ourselves on always putting the customer first. We help make stainless solutions simple for you by ensuring satisfaction through high delivery performance, flexibility and extensive service. A medium carbon and medium tensile steel used mainly for applications requiring a higher strength than Mild Steel, including the more popular uses for bolts and nuts.

Used for gears axles and high strength studs.

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If suppiied in the black condition overall grinding or turning may be permitted to clear decarburization.. I Carbonl: Permitted variations of product arm-lysis from specified of specified element ranilF range Under min JU "j.. BS Part 1. L -i'. Section 1 1. YV'Il h.. Tl1e softening treatment may be omitted if free rorl. Je CllrOmitlITl.

Under min. When range is specified 0.

V 'J rti Permitted Element 'variations of product analysis from specified of specified element range continu. Part 1 Table 3. For the purpose of subsequent orders. Where the ruling section of the material does not differ appreciably from that of the forging or parts 8 Copyright by the British Standards Institution Mon Jan 30 In such cases Permitted varratrons of product analysis from specified range Variation on specified range Under min IOn and heat treatment These shall be provided from the bars or billets from which the forgillgs.

When components of differe: F r alloy steels with a tensile strength or greater.. Oile test sample sh When transverse tests or tests in other directions are required.. LL lr Similarly it may be i1f'cessar: For example See 1. J Number of grain size tests 1: Number of hardenahiltty 2 Subject to i..

J [Hill diameter steels. TIle nUITtber of tests shall be agreed between th.. This test shall be carried out to i in accordance with BS J.. It is not possible to convert values from onE' type of irrtpact test to the other.

In cases of dispute It shall be sensitized by IIt'dl.

If either value satisfies the value of the yield strengt E"'I iV Le specified h. Considerable caution should be exercised when converting from one hardness scale to another and in cases of dispute thp BrineH hardness test shall be used If specified an A bend test piece shall be prepared and tested in accordance with BS JtJ ball and a load of kg..

These are for guidance only.

Either one or other of the following tests shall be carried out.. The vaJu.. The average value of tIle results obtained for three notches shall conform to the relevant requirements of the ITtaterial specificaticlH.. Graphs for the comparison of the various given in annex A..

So may be used One individual value may be belovl the specified value TIle document supplied shall state t.. He shall be at liberty to inspect the manufacture at arLY stage and to witness the required tests..

Values not conrorrrung to the speCIfIed requirements. Ul lel. Should any of the retests fail. Tile releva.. Failing this. If required by the order.


If this marking is required it shall be stated the enquiry and order see also NOTE 2. Since the analysis of the steel necessary to attain the specified: TIle chemical cornpositiorL and rnecharlical properties shall be as given in tame 4. BS For requirements section U20 max Specific requirements for steels for suface hardening by rutnumg shall be as given in table 6.

Categor-y 1 steels shou. L V'--' '-'. Attention is drawn to tne advantages or specnying hardenability requirements for a. A '-"'!. If water hardening is not an option because of distortion.!.. Part 1 t.. CT'j Ii co.

BS 970 steels

J LI' BS I Par't! OJ 00 Ctl I""""'i cv: I en C-. Section 4 G'. J oaoooooc C''l 0 00 '! Auetenirizing temperature tsars and I Forgings and bars for machlnlng billets for forging INormalized.. JU VI orv: Ulh VUl1J.. Ileal lCealJu.. Preheat treatment temperature I Austenit Section 4 BSI IJ Shall also be stress relieved at a temperature not pxceeding 0.

Hardening Category I Ii Is 91 I.. I I II Part 1 i i J Ii 10 01 "".. Dar Tolerances shall be in accorda Closer tolerances and the supplier Sizes other than those in BS may be available.. Inay be agreed between the downloadr Billets for forging shall be supplied in accordance witll table Billets and bars for forging shall be straight to wu.

Btllets Nommal sizeO across flats O7. O I LUV 1. BS BS!

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I ne-! I riats. I Permrtted for hot rolled I'ouTI D1 Ul. C' Af Hr. S mm rnm I Permitted vartatton.. I Size in. Part 1 Annex A Hardenabtlity curves for case..

The values to be used are those specified in table 7 case-hardening steels. I I "'i.. II Iii. II yi. II ! II II.

II Ll. Ifi I.. I Lil-t-l. Ll Ll i. T' --' BS Part 1 iOO': I Ii II Distance 20 iI iI '- L.. I IIII! Iii i i! I I"" I. I I Fi I' I I"'L. I I ''tJ 1. I T I 1' I' L ['I.. I Iii'. I ['". I LJr-1 i 'iti.. J 4UI o: I 11 13 15 I I iTT-or! I I I I 1 I I -1 f""'Ooo. W I I 1'1 "'tr.

bs970 1955 standard pdf

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I III!!I content can have on macrunamnty For dated references, only the edition cited applies; any subsequent amendments to or revisions of the cited publication apply to this Part of BS only when incorporated in the reference by amendment or revision. Related titles.

Related titles. Lower Carbon grades S15 and less have improved weldability. These normative references are made at the appropriate places in the text and the cited publications are listed on the inside back cover. Graphs for the comparison of the various given in annex A.. We think that the best thing to do is to start again from the home page.

JOHANNE from Kalamazoo
Also read my other articles. I enjoy machining. I do fancy studying docunments frantically.