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I NEED A EQUIVALENT FOR THE ASTM A-563 GR. A AND GR. B NUTS

I NEED A EQUIVALENT FOR THE ASTM A-563 GR. A AND GR. B NUTS

I NEED A EQUIVALENT FOR THE ASTM A-563 GR. A AND GR. B NUTS

(OP)
Well I think a make a mistake in my last and first question made in this forum group.

I just want to know if the HEX NUTS ASTM A-563 GR. A AND GR. B have an equivalent nut instead of those one.

For example:
the ASTM A-563 GR. DH has an equivalent in ASTM A-194 GR. 2H
both are from the heavy hex nut serie.

That's what i want to know. Because I have a little problem in my local market trying to buy them.

Please if someone has more experience than me in these cases please.
Give me one hand.

John Altamirano A.
Dpto. Compras
FIMA S.A. - PERÚ
www.fimaperu.com

RE: I NEED A EQUIVALENT FOR THE ASTM A-563 GR. A AND GR. B NUTS

This is a material used for NACE MR-0175 Service.

Are you using these nuts in the presence of H2S?


I had a problem purchasing these in Houston for some 3/8-24 x 1" Lg SHCS.  I think we purchased ~ 200 for several dollars each.

I was using these in a downhole DST Test String with H2S.

I can get you a name and number if ou are interestted.

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