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Difference Between HMS Prepared and unprepared?

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  1. #1
    Sandeep started this thread.
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    Difference Between HMS Prepared and unprepared?

    Hi everyone,



    I know its a bit of a silly question, however I would like clarification on what the difference is between HMS prepared and unprepared?

    I await for any comments, many thanks


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    I see you're in the UK. Wasn't the HMS Prepared part of the Royal Navy? The HMS Prepared had a distinguished record in battle. The HMS Unprepared, not as good...

    But seriously, I'm not familiar with the term "HMS", which may be a geographical thing, but generally, if we're speaking of heavy steel classes of scrap, the differenece between prepared and unprepared is one of size. Four feet or less in length is "prepared", and larger than that is "unprepared". (Although I recall being told somewhere along the line that the specification is actually five feet, but the scrapyards will tell you it's four feet, to be sure you're within their limits.)

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    HMS stands for Heavy Metal Scrap which is then broken into HMS1 and HMS2 similar to #1 Prepared and #1 Unprepared. I have a thread titled "Scrap Metal for Beginners" that discusses dimensions.

    http://www.scrapmetalforum.com/showt...-for-Beginners
    Last edited by Mick; 11-25-2010 at 09:54 AM. Reason: add link and correct finger slip on keyboard
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    HMS stands for Heavy Metal Scrap...
    "Heavy Metal Scrap"? Isn't that a little recognized sub-genre of Rock and Roll?

    And as to be expected, Mick, your attention to detail exceeds mine...

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    [QUOTE=Ditchdigger;2086]"Heavy Metal Scrap"? Isn't that a little recognized sub-genre of Rock and Roll?

    Heavy Metal Crap (HMC) to us oldtimers.

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    But seriously, I'm not familiar with the term "HMS", which may be a geographical thing, but generally, if we're speaking of heavy steel classes of scrap, the differenece between prepared and unprepared is one of size. Four feet or less in length is "prepared", and larger than that is "unprepared". (Although I recall being told somewhere along the line that the specification is actually five feet, but the scrapyards will tell you it's four feet, to be sure you're within their limits.)[/QUOTE]

    I know this is an old post but what should appliances and just crap scrap be considered unprepared or sheet metal?.

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    I know this is an old post but what should appliances and just crap scrap be considered unprepared or sheet metal?.
    I took in a load of computer carcasses and small misc. steel and got $ 220. nt for it as appliances.
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    hms prepared is thicker than 1/8 of an inch 3ft by 18 inches unprepared is any thing bigger than that

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    Sheet Iron Scrap (Sheet Tin)
    Sheet Iron (Sheet Tin) shall consist of miscellaneous iron & steel and may contain galvanized sheet , painted & coated materials, whole machinery & equipment containing other metals provided Iron is the main content.

    No.1 Steel Scrap (HMS1)
    No.1 HMS shall consist of clean iron & steel with a minimum thickness of 1/4", and a maximum size of 60"x24", material handling compatible to feed a furnace charge box.
    This grade may include ISRI code 200.

    No.2 Steel Scrap
    No.2 Steel shall consist of clean iron & steel scrap with a minimum thickness of 1/8", and a maximum size of 60"x18", material handling compatible to feed a furnace charge box.

    Lots of good info here… Scrap Iron and Steel Category -- Iron and Steel Recycling

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