where expertise comes together - since 1996 -

The Largest Open Access Portal of Nondestructive Testing (NDT)

Conference Proceedings, Articles, News, Exhibition, Forum, Network and more

where expertise comes together
- since 1996 -
250 views
Technical Discussions
Mehdi Eskandarzade
Other, Technical Inspector Qoordinator
G.G.S Group, Iran, Joined Mar 2006, 10

Mehdi Eskandarzade

Other, Technical Inspector Qoordinator
G.G.S Group,
Iran,
Joined Mar 2006
10
13:44 Jan-25-2017
API 5L X42 or X65 for H2S containing natural gas service

Hi All,

We want planning for our client's sour service natural gas pipeline system. You know API 5L X42 to X65 satisfies, the requirements of the NACE MR0175. But, I wonder if you can introduce me an any recommendation/document which compares X42 with X65. I want to know which one is much better for our application. We normally do our PWHT for thickness higher than 12.5mm for sour services; then, using X42 implies higher thickness and hence can bring the costly PWHT requirement.
On the other hand, X42 for a specific MAWP has a higher thickness and then it can be more resistive to corrosive environment.
There are many advantageous and dis advantageous for using both of them. But, some pratice can help me, if their is any.

Best Regards
Mehdi Eskandarzade

 
 Reply 
 

Product Spotlight

NEOS III

NEOS III is Logos Imagings lightest DR system. With a built-in battery and internal wireless commu
...
nication, the NEOS III is perfect for users that want to quickly assess an item.
>

OmniScan™ X3 flaw detector

The OmniScan X3 flaw detector is a complete phased array toolbox. Powerful tools, like total focus
...
ing method (TFM) images and advanced visualization capabilities, enable you to complete your inspection with greater confidence.
>

ISAFE3 Intrinsically Safe Sensor System

ISAFE3 intrinsically safe sensor system of Vallen Systeme is especially targeted at the petrochemica
...
l - as well as oil and gas transportation industry. The sensor system is designed for permanent monitoring or periodic inspection tasks. Sensors are available for different AE-frequency ranges optimized for corrosion and fatigue crack detection and other applications. The ISAFE 3 sensor system consists of an AE-sensor (model ISAS3) certified according to ATEX/IEC for installation in zone 0, gas group IIC, IP68, 20 to +60 °C, and a signal isolator (model SISO3) certified for installation in zone 2. An ISAS3 sensor can be mounted in atmosphere or submerged, e.g. in water or crude oil. It is supported by mounting tools for temporary (magnets) or permanent (welded) installation. ISAFE3 supports automatic sensor coupling test and can be used with any AE signal processor supporting 28V supply at 90 mA peak, e.g. Vallen Systeme ASIP-2/A.
>

Combination of Digital Image Correlation and Thermographic Measurements

The combination of measuring results from the digital image correlation (ARAMIS, DIC) and temperat
...
ure measuring data from infrared cameras permits the simultaneous analysis of the thermal and mechanical behavior of test specimens in the materials and components testing field.
>

Share...
We use technical and analytics cookies to ensure that we will give you the best experience of our website - More Info
Accept
top
this is debug window