Re: [MW:28786] Re: Required clarification to read Rounded indications according to ASME SEC-VIII

Please see the interpretation below, we can see that the formula shown in 4-3 take the precedence. 

Standard Designation: BPV Section VIII Div 1

Edition/Addenda:

Para./Fig./Table No:

Subject Description: Section VIII-1, Appendix 4

Date Issued: 02/22/1984

Record Number: BC83-578

Interpretation Number : VIII-1-83-221

Question(s) and Reply(ies): Question: 4-3 in Section VIII,

Division 1, gives formulas for

the maximum size of rounded

indications. If the maximum

size of an acceptable

rounded indication calculated

from this paragraph differs

from the examples in Table 4-

1 or the measured sizes in

Figs. 4-1 through 4-8, which

size shall be used?

Reply: The formulas shown in

4-3 shall take precedence.

On Saturday, April 18, 2015 at 1:57:50 PM UTC+7, meisam shokri arfaei wrote:

In your case, for 3mm, please see table 4-1 with SI units. you could find that:

- Any rounded indication which has dimension greater that 0.38mm is relevant. It means that defects smaller than this size should be discarded and won't affect your interpretation ( so 0.5mm rounded indication is relevant).

- All other defects shall interpret with those criteria which discussed in the Appendix 4.

Regards

On Fri, Apr 17, 2015 at 4:05 PM, Kanikumar Kumar <kaniku...@gmail.com> wrote:

Sir,

Thanks for your kind reply.

I understood the max.size Rounded indication allowed for 3 to 6 mm.

for example; 3 mm thk.

According to fig 4-3,  Can I consider below 0.79 mm defect as a non relevant indications?

In this connection I am having 0.5 mm porosities 7 numbers Randomly... Can I accept?

Kindly explain about relevant and non relevant indication.. 

Thanks and regards,

K.KANIKUMAR

 

On Wednesday, April 15, 2015 at 9:02:06 AM UTC+5:30, Kanikumar Kumar wrote:

Dear Sirs,

I have some doubt regarding rounded indication (defects) in weld metal.

How much porosities (Numbers with size) are allowed in 3mm to 6mm material thk. According to ASME –VIII, Div-1 (Appendix 4)…

Because, In Appendix 4, FIG 4-3, lot of porosities are showed. So please Guide me.

 

Also suggest me how to read the standard with respect to Appendix-4.

 

I am waiting for your reply in this regards.

 

Thanks & Regards,

K.KANIKUMAR.

--
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-weld...@googlegroups.com.
To post to this group, send email to material...@googlegroups.com.
Visit this group at http://groups.google.com/group/materials-welding.
To view this discussion on the web visit https://groups.google.com/d/msgid/materials-welding/855b7c13-e85c-436d-a7db-5411263d420a%40googlegroups.com.

For more options, visit https://groups.google.com/d/optout.

--

M. Shokri Arfaei

ISA-ISTS - Metallurgy Lab. Manager

ASNT NDT Level III

International Welding Engineer

Tel.: +98 21 66282127

Fax: +98 21 66282779

Mob.:+98 912 1394023

--
https://materials-welding.blogspot.com/
https://www.linkedin.com/groups/122787
---
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.
Visit this group at https://groups.google.com/group/materials-welding.
For more options, visit https://groups.google.com/d/optout.