This is not true always. (use as an alternate to each other). Some occasions
one standard pipe can not be replaced/used in place of other, depending upon
design/ service requirement.
The common similarity between these pipes are Tensile & yield strength
property.
ASTM A 106 pipe is seamless by default (Always), whereas API 5L may be
manufactured as welded construction as well. Some specific cases, designer
specifies only seamless pipes (A 106) are acceptable, you may not able to
replace it with API 5L Gr B (welded) pipe.
A 106 need not be tested for notch toughness. Where as API 5L pipes can be
'demanded' for notch toughness test.
At locations/conditions where materials need to be have notch toughness &
resist crack propagation, API 5L certified pipes are recommended & preferred
rather than A 106.
Regards,
Sanjeevan
----- Original Message -----
From: "rutvik dixit" <rutvikdixit@yahoo.co.in>
To: <materials-welding@googlegroups.com>
Sent: Wednesday, February 25, 2009 6:40 PM
Subject: [MW:1640] Re: FW: API 5L Gr B and A 106 Gr B
Dear Rafique,
You can use both as alternate to each other.for detail please
refer mech,chem props,service condition in their respected API and ASTM
spec.
Regards,
Rutvik
--- On Tue, 24/2/09, rafique naik <rafiquenaik@hotmail.com> wrote:
> From: rafique naik <rafiquenaik@hotmail.com>
> Subject: [MW:1619] FW: API 5L Gr B and A 106 Gr B
> To: "welding group" <materials-welding@googlegroups.com>
> Date: Tuesday, 24 February, 2009, 11:57 PM
> Dear ALL,
>
> Please explain the difference as asked my Mick....., I am
> forwarding this mail to the group because I know this mail
> will reach to experts and they can reply in better way.
>
> Thanks and regards,
>
> Rafique
>
> From: crc1199@hotmail.com
> To: rafiquenaik@hotmail.com
> Subject: API 5L Gr B and A 106 Gr B
> Date: Tue, 24 Feb 2009 13:15:47 -0500
>
>
>
>
>
>
>
>
> Dear Rafique,
>
> Please explain me what is the difference between API 5L Gr
> B and ASTM A 106 Gr.B pipes.
>
> Regards,
>
> MICK
>
> Access your email online and on the go with Windows Live
> Hotmail. Sign up today.
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