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  1. 14th February 2017, 06:04 PM #1
    Tegmark
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    Default Stainless Steel sheeting without a Grain?

    I'm looking for thin 0.7mm like stainless steel sheeting that has no grain so it can be polished up like a mirror. I have tried some pieces that have an obvious grain & although I polished it up to a very fine finish the reflections are not that sharp like a mirror due to the steel's grain I believe.
    Some stainless I have seen like my kitchen veggie steamer is very fine grain, but someone told me you can get stainless that has no grain & can indeed be polished up like a mirror.

    Is this possible? And if so what do I ask & look for?


    thanks
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  3. 14th February 2017, 06:55 PM #2
    KBs PensNmore
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    The stainless that you have, I think is called brushed or number 4. What you need is called BA
    2B, 2D and BA Cold Rolled Finishes - Australian Stainless Steel ...

    https://www.assda.asn.au/technical-info/...finishes/2b-2d-and-ba-cold-rolled-finishes





    Standards

    The most common definitions of these surface finishes are provided by ASTM A480 and EN 10088. In both cases it is the cold rolled manufacturing method that is specified rather than specific, measurable characteristics about the surface. We have used ASTM A480 as an example:
    ASTM A480:
    No. 2D - A smooth, non-reflective cold-rolled annealed and pickled or descaled finish. This non-directional finish is favourable for the retention of lubricants in deep drawing applications.
    No. 2B - A smooth, moderately reflective cold-rolled annealed and pickled or descaled finish typically produced by imparting a final light cold-rolled pass using [large diameter] polished rolls. This general-purpose finish is more readily polished than No 1 or 2D finishes. Product with 2B finish is normally supplied in the annealed plus lightly cold-rolled condition unless a tensile-rolled [harder and stronger] product is specified.
    Bright Annealed [BA] Finish- A smooth, bright, reflective finish typically produced by cold rolling followed by annealing in a protective atmosphere so as to prevent oxidation and scaling during annealing.

    Kryn
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  4. 14th February 2017, 07:02 PM #3
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    Simplicity
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    Immm this sounds like something I would be interested in.
    Thanks for the link
    Kryn

    Cheers Matt


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  5. 14th February 2017, 07:05 PM #4
    KBs PensNmore
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    It's amazing what Mr Google can tell you, just a matter of asking the right question???
    Kryn
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  6. 15th February 2017, 06:25 PM #5
    Tegmark
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    Quote Originally Posted by KBs PensNmore View Post
    The stainless that you have, I think is called brushed or number 4. What you need is called BA
    2B, 2D and BA Cold Rolled Finishes - Australian Stainless Steel ...

    https://www.assda.asn.au/technical-info/...finishes/2b-2d-and-ba-cold-rolled-finishes



    Standards

    The most common definitions of these surface finishes are provided by ASTM A480 and EN 10088. In both cases it is the cold rolled manufacturing method that is specified rather than specific, measurable characteristics about the surface. We have used ASTM A480 as an example:
    ASTM A480:
    No. 2D - A smooth, non-reflective cold-rolled annealed and pickled or descaled finish. This non-directional finish is favourable for the retention of lubricants in deep drawing applications.
    No. 2B - A smooth, moderately reflective cold-rolled annealed and pickled or descaled finish typically produced by imparting a final light cold-rolled pass using [large diameter] polished rolls. This general-purpose finish is more readily polished than No 1 or 2D finishes. Product with 2B finish is normally supplied in the annealed plus lightly cold-rolled condition unless a tensile-rolled [harder and stronger] product is specified.
    Bright Annealed [BA] Finish- A smooth, bright, reflective finish typically produced by cold rolling followed by annealing in a protective atmosphere so as to prevent oxidation and scaling during annealing.

    Kryn
    thanks. I was searching everywhere & had no luck, guess I was searching the wrong key words as I have no idea about steels.
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