Hi John,
I have attached a spec for 4130 steel FYI. The summarized details are as follows:-
§ ASTM 519 Gr 4130—Nearest ASME Sec IX P No- 4. (typically 1.00- 1.25 Cr, 0.5% Mo)
§ Welding Consumables–SMAW –E-8018 B2 or 7018-B2L , GTAW-ER-80S-B2
§ PWHT—Follow PWHT requirements for P4 materials as asked by B 31.1 code (Table 331.1.1).
§ Recommended PWHT cycle should be , Soaking Temp-1300-13750F, Soaking Time -1 Hr/inch of thickness, Minimum soak time –1 hr
§ Targeted hardness 225 BHN Max.
Since this material is not listed in B-31.3, proper design evaluation, stress analysis (if required) should be done prior to use. Follow the guidelines of B-31.13 code for the same.
You may find the guidelines of ASME 31.3 code on the use of unlisted materials, as mentioned below.
Hope this would be of help to you.
Thanks.
Pradip Goswami,P.Eng
Senior Engineer/Specialist(Welding-Metallurgy)
Machine Dynamics & Component Integrity Dept.
Engineering & Training Services Division
ONTARIO POWER GENERATION Inc.
PO Box-2000, RR-55(South)
Nanticoke, Ontario,N0A1L0
Tel:-(519) 587-2201, Ext 3107--in Nanticoke
(416) 231-4111, Ext 5925--in Kipling,Toronto
Fax: (519) 587-6814
Unlisted Materials. Unlisted materials may be used provided they conform to a published specification covering chemistry, physical and mechanical properties,
method and process of manufacture, heat treatment, and quality control, and otherwise meet the requirements of this Code. Allowable stresses shall be determined in accordance with the applicable allowable stress basis of this Code or a more conservative basis.
Unlisted Materials. An unlisted material, shall be qualified for service at all temperatures within a stated range, from design minimum temperature to design maximum temperature.
From: j.lock@pacificdrilling.com
To: materials-welding@googlegroups.com
Date: Mon, 23 Nov 2009 15:27:23 -0800
Subject: RE: [MW:3717] ASME B31.3 unlisted materials
The material is ASTM 519 Gr 4130
Best regards,
John Lock
Quality & Classification Engineer
Pacific Deepwater Construction Ltd
Cellular. +82 (0)10 4693 6282
Office Tel. +82 (0)55 631 9071
Office Fax. +82 (0) 631 7499
E-mail j.lock@pacificdrilling.com
P Before printing I think about the environment
From: pgoswami@sympatico.ca [mailto:pgoswami@sympatico.ca]
Sent: Friday, November 20, 2009 10:08 PM
To: materials-welding@googlegroups.com
Subject: RE: [MW:3705] ASME B31.3 unlisted materials
What is the unlisted material, could you be specific, i.e. could you please provide specification or composition etc.
Thanks.
Pradip Goswami,P.Eng
Welding & Metallurgical Engineer/Specialist.
Ontario Power Generation Inc.
Toronto, Canada.
> Date: Thu, 19 Nov 2009 23:43:10 -0800
> Subject: [MW:3695] ASME B31.3 unlisted materials
> From: jjlock53@gmail.com
> To: materials-welding@googlegroups.com
>
> Should PWHT requirements for the materials type be followed for
> unlisted materials i.e. no P or S number?
>
> --
> 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/
> 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.
--
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/
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.
--
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/
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.
THIS MESSAGE IS ONLY INTENDED FOR THE USE OF THE INTENDED RECIPIENT(S) AND MAY CONTAIN INFORMATION THAT IS PRIVILEGED, PROPRIETARY AND/OR CONFIDENTIAL. If you are not the intended recipient, you are hereby notified that any review, retransmission, dissemination, distribution, copying, conversion to hard copy or other use of this communication is strictly prohibited. If you are not the intended recipient and have received this message in error, please notify me by return e-mail and delete this message from your system. Ontario Power Generation Inc.
No comments:
Post a Comment