Re: [MW:7828] low temperature pipe and ASTM A106

Dear Friends,

 

 ASME II,A106 para 5.1

 Hot-finished pipe need not be heat treated. Colddrawn

pipe shall be heat treated after the final cold draw

pass at a temperature of 1200°F (650°C) or higher

ASME II SA333/SA333M Para 4.2

All seamless and welded pipe, other than

Grades 8 and 11, shall be treated to control their microstructure.

 

So the main feature of LTCS is that all the pipes are heat treated to control their micro structure

 

 

Ahmed Husain

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From: sujay kumar <sujay1199@gmail.com>
To: materials-welding@googlegroups.com
Sent: Tue, October 26, 2010 8:39:00 AM
Subject: Re: [MW:7810] low temperature pipe and ASTM A106

Dear Friend,

 

A333  LTCS,its Al killed chemical properties,impcat value is conformed.

if other than more,please let me know about this.

thanks and regards

Sujay

On Tue, Oct 26, 2010 at 9:31 AM, Martin Prad <martin_prad@hotmail.com> wrote:

Hi,
 
What is the real difference of ASTM A333 pipe from ASTM a106grB?
ASTM A333 is a low temperature CS pipe but 106 is not. What is the main features of Low temperature CS steel pipes by their chemical composition and mechanical properties?
Please share your experience on this.
 
Martin.

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