Re: [MW:28715] Thickness gauging - decimal place (Example: T=7.11 mm or 7.1 mm)

Greetings,

You have to read the equipment manfacturers specs / manual, anyhow check the snaps.

Specs

Minimum Measurement (mm)	0.10
Minimum Measurement (Decimal Inch)	0.0400
Maximum Measurement (Inch)	8
Maximum Measurement (Decimal Inch)	8.0000
Maximum Measurement (mm)	200.00
Resolution (mm)	0.1000
Resolution (Decimal Inch)	0.001000
Accuracy (mm)	0.01

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Regards,

Mohamed Muneeb Mahaboob

CSWIP 3.2-89247/2 

ASNT-NDT-L2-RTFI-RT-UT-MT-PT.

SAP#:70021650 APs:JAPID, QCS & QCI.

E muneebslsa@gmail.com M +91-636-955-7189

(6:8) They say, "Why has no ˹visible˺ angel come with him?" Had We sent down an angel, the matter would have certainly been settled ˹at once˺, and they would have never been given more time ˹to repent˺.

 

From: Dhamotharan V

Date: 2018-12-02 11:49

To: Materials & Welding

Subject: [MW:28713] Thickness gauging - decimal place (Example: T=7.11 mm or 7.1 mm)

Dear All,

As a part of thickness gauging of piping, we measured thickness on piping spools with UT thickness gauging machine,

The values we got is with single decimal point only.

Example: 6" Dia sch 40 pipe values are 8.5 mm, 8.0 mm, 8.2 mm.

Question: 

What is the minimum decimal point required during thickness gauging?

Is it one decimal (1/10th or 0.1 mm) or two decimal (1/100th or 0.01 mm)?

Is there any reference addressed in ASME B36.10 or API 5L or ASME Sec II Part A / D ?

Kindly advise 

Thank you.

Dhamotharan V

Inspection Engineer.

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