Hello Syed,
You should use A-36 steel for making fittings. Please see the materials requirements for A 234 fitting vs. the Scope for A-36 material. The text narrated below is self explanatory. Any killed grade of C-Mn steel would be a good substitute for A-36 subject to the design requirements.
Thanks.
Pradip Goswami, P.Eng,IWE
Welding & Metallurgical Engineering Specialist
Hamilton, Ontario, Canada
ca.linkedin.com/pub/pradip-goswami/5/985/299
SA-234/SA-234M
Materials 5.1 The material for fittings shall consist of killed steel, forgings, bars, plates, seamless or fusion-welded tubular products with filler metal added and shall conform to the chemical requirements of Table 1. Unless otherwise specified for carbon steel plates, the steel may be made to either coarse grain or fine grain practice
SA-36/SA-36M:-
1. Scope
1.1 This specification covers carbon steel shapes, plates, and bars of structural quality for use in riveted, bolted, or welded construction of bridges and buildings, and for general structural purposes
From: materials-welding@googlegroups.com [mailto:materials-welding@googlegroups.com] On Behalf Of JIGNESH RANA
Sent: Tuesday, November 03, 2015 11:33 AM
To: materials-welding@googlegroups.com
Subject: Re: [MW:23849] Re: ASTM A36 plates for pressure vessels
dear Syed,
strictly,code, there is no limitation on raw material for the products to be certified as per A 234, except it shall meets with chemical requirements of particular grade.
If specific requirements based on service (like NACE), then restricted chemistry applies.
regards,
jignesh rana
On Tue, Nov 3, 2015 at 11:50 AM, Raghuram Bathula <raghurambathula@gmail.com> wrote:
In addition Code Case 2811 provides guidelines for use of SA/EN 10025-2 Steel Grades S235J2, S275J2, and S355J2 in fabrication of pressure vessels
https://www.linkedin.com/grp/post/122787-6061068041251278851?trk=groups-post-b-title
On 3 November 2015 at 10:12, Abhay Pethe <agpethe@gmail.com> wrote:
SA-36 is permitted for use in construction of pressure vessels according to UCS-6 of the ASME BPVC. Practically nobody uses the same remains the fact.
No comments regarding the equivalency or use of A36 in place of A234.
Best Regards,
Abhay Pethe
On 30 October 2015 at 06:54, Plate Steel <eric@ysteelplate.com> wrote:
Dear Syed,
Firstly A36 is just one common carbon structural steel,this steel plate can make common tanks,but not pressure vessels.Because,As a professional steel supplier,we knew when rolling A36,no need to do Ultrasonic test,but for pressure vessel used steel,they have to be done Ultrasonic test.
Second,your said A234 is one pressure vessel steel,actually another pressure vessel steel ASTM A285GrC is similar to A234.
It would be dangerous if using A36 to replace of A234,Freind.
Eric
在 2011年1月24日星期一 UTC+8下午9:36:28，Moin - QC写道：
Dear members,
Can a plate to ASTM A36 can be used to manufacture TEEs to A234 WPB, is there any restriction in BPV or B31.3 on the use of A36 plate for manufacturing A234 Tees.
One of client says A36 is for general purpose and cannot be used for making a pressure containing component to be used in oil and gas production . Is it correct, if yes why? And if not can you please provide me a technical justification, I could not find anything B31.3.
Thanks & Regards
Syed Moin
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