As usually, there is the misconception of there being US and metric, the latter
meaning everybody else. As if there were no countries with their respective
steel industries that standardized steel sizes. The calculation and designation
is not any more difficult within that standards group than within ASTM. Here is
an example of two "metric" standards, DIN and ISO. This for hot-rolled steel,
in English.
Examples of a designation of an 80x45 channel:
C-profile, Steel, HR, ISO 657/11 CH80x8
U-profile, Steel, HR, DIN 1026 U80
Stan Jakuba
----- Original Message -----
From: Paul Armstrong
To: U.S. Metric Association
Sent: 09 Jan 24, Saturday 18:16
Subject: [USMA:42472] Difficulty of calculating steel members?
I got the following reply to a video on YouTube.
While I did engineering in university, I'm a sysadmin so dealing with steel
members isn't something I've had to do at a practical level.
Anyone understand how this could make sense (I know, there's no detail, it's
just a random assertion)?
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GenScripter has made a comment on Why We Need Metric - My Story:
You clearly aren't a structural engineer. Steel members using the
metric system are far more difficult to calculate and designate than the
imperial unit members. The metric system isn't a panacea.
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