Steel Grades

AISI 9260

AISI 9260 is a silicon manganese spring steel used widely for the production of leaf springs Analysis Element  % C  0.56-0.64 Mn  0.75-1.00 P  0.035 (max) S  0.04 (max) Si  1.80-2.20 Related specifications include EN45 and BS970 250A53 BSS Stock a range of EN45 flat bars which can be seen here    

100Cr6 52100

100Cr6 is  broadly classified as a tool steel. With 1% carbon and 1.50% chrome it is capable of being hardened in excess of 60 Rockwell C. It is most commonly associated with bearing production. BSS can supply a range of flat sheet suitable for laser / water-jet cutting up to a thickness of 12mm. Nominal …

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Type 420 Stainless

Type 420 Stainless Steel is a martensitic grade providing both outstanding corrosion resistance and exceptional wear resistance. We stock it in a range of thicknesses from 0.10mm to 3.00mm thick in strip and coil. Our stock is hardened and tempered and suitable for flat springs and blades. We can offer a cutting or profiling service. …

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CS70

CS70 is a high carbon spring steel, and part of the UK designation BS1449. Used in the manufacture of a wide variety of springs, it is normally purchased in the annealed condition. Annealed material allows the steel to be formed and shaped prior to hardening CS70 is equivalent to AISI/ SAE 1070, Din CK67 and …

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