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Information On British Standard Steels BS EN 10149

Important Notes:
All information on this page has been interpreted from the relevent standards, books, other web sites, andl leaflets. This information is of a general nature for initial guidance.    Selection of materials for design use must be by communication with the suppliers and by reference to the relevant standards.
The tables below include for composition , proof strength , tensile strength and elongation.    The mechanical properties are generally related to room temperature     The information is not comprehensive and must be used with extreme care.    The relevant standards include detailed notes on the conditions relevant to the properties and also a large quantity of detail information on other properties including hardness values impact values and properties at higher and lower temperatures

BS ISO 10149 Part 2..... BS ISO 10149 Part 3.....

Notation

A = % elongation at fracture
R eH = Upper Yield Strength ( MPa )
R p0,2 = 0,2 % proof strength ( MPa )
R m = Tensile strength ( MPa )
HV = Hardness value (Vickers)
t = Product thickness for specified properties ( mm)
+N = normalised
+NT = normalised and tempered
+QT = quenched and tempered



BS EN 10149-2:1996: Specification for Hot-rolled flat products made of high yield strength steels for cold forming- Delivery conditions for thermomechanically rolled steels


Product Chemical composition

Name Number C
max		 Mn
max		 Si
max		 P
max		 S
max		 Al,br />total-min Nb
max		 V
max		 Ti
max		 Mo
max		 B
max
% % % % % % % % % % %
S315MC 1.0972 0,12 1,3 0,5 0,025 0,02 0,015 0,09 0,2 0,15 - -
S355MC 1.0976 0,12 1,5 0,5 0,025 0,02 0,015 0,09 0,2 0,15 - -
S420MC 1.0980 0,12 1,6 0,5 0,025 0,015 0,015 0,09 0,2 0,15 - -
S460MC 1.0982 0,12 1,6 0,5 0,025 0,015 0,015 0,09 0,2 0,15 - -
S500MC 1.0984 0,12 1,7 0,5 0,025 0,015 0,015 0,09 0,2 0,15 - -
S550MC 1.0986 0,12 1,8 0,5 0,025 0,015 0,015 0,09 0,2 0,15 - -
S600MC 1.8969 0,12 1,9 0,5 0,025 0,015 0,015 0,09 0,2 0,22 0,5 0,005
S650MC 1.8976 0,12 2,0 0,5 0,025 0,015 0,015 0,09 0,2 0,22 0,5 0,005
S700MC 1.8974 0,12 2,1 0,6 0,025 0,015 0,015 0,09 0,2 0,22 0,5 0,005



Product Mechanical Properties

Name Number R eH Rm A (%)
MPa MPa < 3mm => 3mm
S315MC 1.0972 315 390-510 20 24
S355MC 1.0976 355 430-550 19 23
S420MC 1.0980 420 480-620 16 19
S460MC 1.0982 460 520-670 14 17
S500MC 1.0984 500 550-700 12 14
S550MC 1.0986 550 600-760 12 14
S600MC 1.8969 600 650-820 11 13
S650MC 1.8976 650 700-880 10 12
S700MC 1.8974 700 750-950 10 12


BS EN 10149-3:1996: Specification for Hot-rolled flat products made of high yield strength steels for cold forming- Delivery conditions for normalized or normalized rolled steels


Product Chemical composition

Name Number C
max		 Mn
max		 Si
max		 P
max		 S
max		 Al
total-min.		 Nb
max		 V
max		 Ti
max
% % % % % % % % %
S200NC 1.0971 0,16 1,2 0,5 0,025 0,02 0,015 0,09 0,10 0,15
S315NC 1.0973 0,16 1,4 0,5 0,025 0,02 0,015 0,09 0,10 0,15
S355NC 1.0977 0,18 1,6 0,5 0,025 0,015 0,015 0,09 0,10 0,15
S420NC 1.0981 0,20 1,6 0,5 0,025 0,015 0,015 0,09 0,10 0,15



Product Mechanical Properties

Name Number R eH Rm A (%)
N/mm2 N/mm2 < 3mm => 3mm
S260NC 1.0971 260 370-490 24 30
S315NC 1.0973 315 430-550 22 27
S355NC 1.0977 355 470-610 20 25
S420NC 1.0981 420 530-670 18 23
Steel Selection links
  1. British Stainless Steel Association...Properties /Relevant Standards for Stainless Steels
  2. Molybdenum Page...Information on Molybdenum steels
  3. Grade Alternatives... Mikra metal Stainless Steel Grades
  4. Material Cross Reference List..Coromant- Sandvik comprehensive list of steels
  5. Hendrix Group..General Material Information Available
  6. Key-To-Steel...An excellent reference site for steel classifications and properties.- registration required for full access
  7. West Yorkshire Steel Co Ltd ...Reputable UK Steel Supplier, Site includes Material specifications
  8. Introduction to Comparing World Steel Standards ..Download .Useful Notes from ASTM (No equivalent only comparable)
  9. Numbering Systems for Metals and Alloys...WNR (German/european) & UNS Numbering system lookup data
  10. European steels and Alloys ...Database of European Steels and Alloy and equivalents - Vast amount of useful information.

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Last Updated 12/05/2012