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T45 VS. 4130
BY AEROCOM METALS.
What Does CDS Mean?







CDS stands for ‘ Cold Drawn Seamless’.
Alloy steels such as T45 and 4130 are CDS
tubes, alo...
Is T45 or 4130 tube lighter than
CDS?
No, this is a common misconception.
 Within 0.00 of a kilo, they are identical
weig...
Why This Theory?
This is due to the extra strength the
high strength alloys hold. Due to a
product like T45 tube and 4130 ...
What does BS5 T100 & BS6 S100
conditions mean?
These are British Standard Institute
(BSI) publications, specific to seamle...
T45 & 4130 Tube for
Aerospace






BS T45 tube specification was written in 1948
and 4130 tube specification was writt...
BS T45 tube specifications
The BS T45 tube specification is British
Standard, and as such, core demands come
from the UK. ...
T45 or 4130? Which is Better?
We couldn’t possibly answer that question!
Why?




In our 60 years of experience we have ...
Aerocom Metals
For more information on T45
and 4130 Tube, or any of the
other metals we supply, please
visit us at:
Web:
h...
Metals - T45 vs. 4130
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Metals - T45 vs. 4130

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Aerocom Metals look at the comparison between T45 and 4130 Metals.

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Metals - T45 vs. 4130

  1. 1. T45 VS. 4130 BY AEROCOM METALS.
  2. 2. What Does CDS Mean?     CDS stands for ‘ Cold Drawn Seamless’. Alloy steels such as T45 and 4130 are CDS tubes, along with aluminiums, stainless, and titanium’s. It is more common that when people say CDS tube, they are referring to more commercial and economically priced variant of a CDS tube. Aerocom usually offer AEROCOM33 or commercial tubes like E355 or E235 when asked for a CDS tube.
  3. 3. Is T45 or 4130 tube lighter than CDS? No, this is a common misconception.  Within 0.00 of a kilo, they are identical weights.  With the majority of alloys being 95 – 98% iron, the finishing elements tend not to make any difference. 
  4. 4. Why This Theory? This is due to the extra strength the high strength alloys hold. Due to a product like T45 tube and 4130 tube having higher mechanical properties, a user can sometimes select a thinner wall thickness or smaller diameter, and still maintain the structural strength required.
  5. 5. What does BS5 T100 & BS6 S100 conditions mean? These are British Standard Institute (BSI) publications, specific to seamless steel tubes and wrought steel. As they are a BSI publication, they will predominantly only be applicable to a British standard material.
  6. 6. T45 & 4130 Tube for Aerospace    BS T45 tube specification was written in 1948 and 4130 tube specification was written in 1950, both for aerospace and military application. BS T45 tube specification = British Standard. Usages for this material came from aerostructures such as Spitfire and Hurricane fuselages. 4130 tube specification had a similar demand in its development due to World War activities.
  7. 7. BS T45 tube specifications The BS T45 tube specification is British Standard, and as such, core demands come from the UK. Originally, usages for this material came from aerostructures such as fuselage detail on Spitfires and Hurricanes, and was a driving factor behind its development as an aerospace product. Advancement over subsequent years saw the materials advantages used elsewhere in other markets, and although the specification was made obsolete in 1979, it is still produced and used extensively in the UK today.
  8. 8. T45 or 4130? Which is Better? We couldn’t possibly answer that question! Why?   In our 60 years of experience we have heard an equal number of people converge on the benefits of 4130 and T45. Some users love T45, whereas others love 4130. Some users interchange between the two with no issue.
  9. 9. Aerocom Metals For more information on T45 and 4130 Tube, or any of the other metals we supply, please visit us at: Web: http://aerocommetals.co.uk/ Tel: +44 (0) 2476 645 551 Email: sales@aerocommetals.co.ukInd. Estate, Longford Address: Unit B, Grovelands Rd, Coventry, CV7 9ND

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