Skip to main content

Re: [MW:18817] Clad plate heat treatment as per SA 264 after explosion bonding

The issue is the following:

The explosion bonding process will affect the properties of the 304 austenitic s.s?

With other worlds: the explosion bonding will lead to a precipitation of the chromium carbides and therefore a solution annealing heat treatment will be necessary to get a solution of those carbides in the 304 matrix?

Can your material manufacturer guarantee the properties of 304 without heat treatment?

Could you ask for the parameters of the explosion bonding process?
Could your manufacturer give you the temperatures which develop during this process and the relevant time periods?

 

    best regards

    Dr. Georgios Dilintas

    Authorized Nuclear Inspector
    Authorized Inspector Supervisor
    API 510 Inspector
    Prelude FLNG ASME Subject Matter Expert

    I&F REGIONAL TECHNICAL MANAGER
    BUREAU VERITAS HELLAS

    Tel: +30 210 40 63 113/4
    Fax: +30 210 40 63 118
    Cell: +30 69 44 64 62 04
    Korea cell phone: +82 10 2777 8922

krishna mudhale ---27/09/2013 19:36:38---Dear experts, Please clarify our issue ie. In our case clad plate(SA 387 Gr.11

From: krishna mudhale <kmudhale@gmail.com>
To: materials-welding@googlegroups.com
Date: 27/09/2013 19:36
Subject: [MW:18785] Clad plate heat treatment as per SA 264 after explosion bonding
Sent by: materials-welding@googlegroups.com




Dear experts,
Please clarify our issue ie. In our case clad plate(SA 387 Gr.11
Cl.1+SS 304L), as per our customer spec.  Heat treatment of the clad
plate shall be as per applicable clad plate material specification
ie.SA 264 . But our clad plate manufacturer insists that for higher
thickness clad plates heat treatment is not required(ie.46,54,75Thk) &
for lower thickness he will perform heat treatment(ie.24&28Thk). So my
question is as per SA 264 is heat treatment is required or not for
clad plates after explosion bonding and if required which type of heat
treatment is required.
Please clarify my query & thanks in advance for your valuable feedback.
--
With Warm Regards
Krishna Mudhale

--
To post to this group, send email to materials-welding@googlegroups.com
To unsubscribe from this group, send email to materials-welding+unsubscribe@googlegroups.com
For more options, visit this group's bolg at
http://materials-welding.blogspot.com/
http://www.linkedin.com/groups/MaterialsWelding-122787?home=&gid=122787&trk=anet_ug_hm

The views expressed/exchnaged in this group are members personel views and meant for educational purposes only, Users must take their own decisions w.r.t. applicable code/standard/contract documents.
---
You received this message because you are subscribed to the Google Groups "Materials & Welding" group.
To unsubscribe from this group and stop receiving emails from it, send an email to materials-welding+unsubscribe@googlegroups.com.
For more options, visit
https://groups.google.com/groups/opt_out.

This message contains confidential information. To know more, please click on the following link: http://disclaimer.bureauveritas.com

Comments

Popular posts from this blog

Materails FAQs

Q: What are equivalents for standard Q 235 B (and Q 235 A) for U-channels? (asked by: boris.vielhaber@vait.com) A: DIN Nr. = 2393 T.2, 2394 T.2, EN 10025 W. Nr. DIN 17007 = 1.0038 Design DIN 17006 = RSt 37-2, S235JRG2 (Fe 360 B) Q: What is St DIN 2391 BK material? (asked by: dmcandrews@automaticstamp.com) A: Precision steel tubes, cold-finished/hard. Q: What is C.D.W. Boiler Tube? (asked by: montydude123@yahoo.com) A: Cold Drawn Welded Boiler Tube. Q: WHAT IS W.Nr. 1.4301? PLS TELL US IN EASY LANGUAGUE (asked...

Re: [MW:10788] ON PLOT PIPING & OFF PLOT PIPING

Piping systems involved for the flow lines and gathering lines from the well head isolation valve to the production facility or processing plant isolation valve are determined as OFF PLOT. ON PLOT defines piping system in the processing plant and production platform. ANSI/ASME B31.4 applies for off plot piping system. B31.4 allows the use of either API 1104 or ASME section IX (as appropriate). However, occasionally, a very small system such as piping within 500 feet of a processing plant (some client also said 400 feet) may be declared B31.3 rather than B31.4. When B31.3 is invoked, only ASME Section IX is used. before you decide which code to use for welding procedure and/or welder qualification for pipe welding, you have to know the design and construction code applicable to the system. Please read far enough into scope and diagram illustrating the application of either B31.3 and B31.4 hope this helps rgds 2011/4/21 pradip kumar sil < pradipsil@gmail.com > Dear all, ...

Heat tint (temper) colours on stainless steel surfaces heated in air // Heat tint

Introduction The colour formed when stainless steel is heated, either in a furnace application or in the heat affected zone of welds, is dependent on several factors that are related to the oxidation resistance of the steel. The heat tint or temper colour formed is caused by the progressive thickening of the surface oxide layer and so, as temperature is increased, the colours change.   Oxidation resistance of stainless steels However, there are several factors that affect the degree of colour change and so there is no a single table of colour and temperature that represents all cases. The colours formed can only be used as an indication of the temperature to which the steel has been heated. Factors affecting the heat tint colours formed Steel composition The chromium content is the most important single factor affecting oxidation resistance. The higher the chromium, the more heat resistant the steel and so the development of the heat tint colou...