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Old 19-08-2009, 09:23 AM   #13
Join Date: Aug 2009
Location: Hartlepool
Posts: 5
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As stated above, race cages are produced using 45mm CDS
The actual specifications for the tube are:
CDS Carbon Steel
Proof Stress: 370 N/mm2
Tensile Strength: 529 N/mm2
Dimensions: 45mm x 2.5mm wall thickness

Cages currently listed on Ebay are 38mm CDS not 45mm CDS

All cages are supplied with the Certificate of Conformity req'd by MSA.

Originally Posted by Paul R View Post
are these from MSA spec material? i.e

Taken from 2009 Blur book:
27. Minimum tube specifications are:
Minimum Material: Cold Drawn Seamless Carbon
Minimum Yield Strength: 350 N/mm2
Minimum Dimensions ( mm): 45x2.5 or 50x2.0;
38x2.5 or 40x2.0 (for roll cages/bars approved prior
to 1995). Single seat racing cars 42.4x2.6, sports
racing cars 48.3x2.6.

or are they the same as the 1.5mm wall thickness cages you sell on ebay?

also do / can you provide MSA certification?
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