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Im the alloyed section you get 16Mo3, 18Mn Mo4-5, 20Mn Mo Ni4-5, 15Ni Cu Mo Nb5-6-4, 13Cr Mo 4-5, 13Cr Mo Si5-5, 10Cr Mo 9-10, 12Cr Mo9-10, X12Cr Mo5, X12Cr Mo5, 12Cr Mo V12-10, X10Cr Mo VNb9-1 and 12Cr Mo 1.5. Flat products made of steels for pressure purposes.Weldable fine grain steels, normalized These are the boiler quality steels for low temperature and the equivalents of the ASTM and ASME A516 grades 60 and 70.

The links on the standards take you to the BSI website where you can check out more details or buy them if required This selection of steel standards covers the major steel grades found at heavy steel plate stockholders EN 10025-04. General technical delivery conditions This standard covers the common requirements for all types of structural steel plate.Whilst critical in many ways to the manufacturers of steel plates the really useful information about the different structural steel grades is found in the different parts EN 10025-04. Technical delivery conditions for non-alloy structural steels Most structural steels for normal use are made to this standard.Plate and wide flats EN10163-2 goes into a lot more detail about the different types of discontinuities – imperfections and defects and how these can be repaired for the different types of steel. Method of test at ambient temperature Replaces EN 10002-01 This describes how to do tensile testing at room temperature. Method of test at elevated temperature Replaces EN 10002-92 And this is how to do tests in the heat. Technical delivery conditions If you are dealing with thick plates this is a key standard as despite it’s name it covers Z35 through thickness testing. Evaluation of resistance of steel products to hydrogen induced cracking (HIC)The equivalent of NACE TM0284 in the EN standards world. Determination of plane-strain fracture toughness“This International Standard specifies the ISO method for determining the plane-strain fracture toughness of homogeneous metallic materials using a specimen that is notched and precracked by fatigue, and subjected to slowly increasing crack displacement force.” This is one for the mechanical engineers. It describes, with lots of further references, how to establish the chemical composition of the steel for each element. Location and preparation of samples and test pieces for mechanical testing This describes how you choose the location and size of test pieces for tests. Carbon and low alloy steels When you are tensile testing there are different guages used.This s where the meat is for all practical purposes. Normally this is the test lab’s issue – but its good to know exactly what is being done so that you are sure BS EN ISO 6892-11. There’s also a draft of how to do tensile tests at low temperatures BS EN ISO 148-10 Metallic materials. It describes how to test plate for HIC resistance using Solutions A and B. Critical information for the MTC, but no immediately useful for the engineer. This can be critical as the steel slabs and plates can vary in their characteristics in statistically predictable ways and if proper sampling is not undertaken then results can be distorted BS EN ISO 612. Micrographic determination of the apparent grain size Lots of pretty pictures of steel microstructure and grains in order to help analysis. Converting between them can be difficult and lead to errors and so this standard ;lays out a specific way of doing it that reduces variation between testers.We’ve linked the EN Steel standards back to the BSI website where you can buy these standards.

We’ve divided the page into sections about steel grades, general requirements, dimensions and tolerances; and, testing. Then the next four digits are the date that the latest standard was issued; if a supplementary annex has been issued this will appear next and include the date that the annex was issued..

Each standard costs about 0 to buy so all 40 are a big budget item.

We’ve cut that down to 12 that complement the key steel standards (EN10025, EN10028 and EN10225) that you are likley to be using most often.

Weldable fine grain steels, quenched and tempered These are the quenched and tempered pressure vessel steels with a range of Q, QH, QL1 and QL2 after the normal P designation and the yield strength. X2Cr Ni12, X6Cr Ni Ti12, X2Cr Ti17, X3Cr Ti17, X2Cr Mo Ti17-1, X2Cr Mo Ti18-2, X6Cr Mo Nb17-1, X2Cr Ti Nb18EN 10209.

Weldable structural steels for fixed offshore structures.

for example EN ISO 9001 is applicable in the US as and ISO standard not as an EN standard. In each section we have ordered the standards by number to make them easy to find.