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GB/T 25151.1-2010 English PDF

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US$229.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 25151.1-2010: Fabrication and inspection method for high pressure urea equipment -- Part 1: Ultrasonic examination on the automatic strip overlay welds of stainless steel
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 25151.1-2010	229	Add to Cart	3 days	Fabrication and inspection method for high pressure urea equipment -- Part 1: Ultrasonic examination on the automatic strip overlay welds of stainless steel	Valid

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GB/T 23711.8 GPON SFU HG/T 20584 GB/T 25151.6 GB/T 25151.3 GB/T 25151.4

Basic data

Standard ID: GB/T 25151.1-2010 (GB/T25151.1-2010)
Description (Translated English): Fabrication and inspection method for high pressure urea equipment -- Part 1: Ultrasonic examination on the automatic strip overlay welds of stainless steel
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: G93
Classification of International Standard: 71.120.10; 75.180.20; 23.020.30
Word Count Estimation: 10,178
Date of Issue: 2010-09-26
Date of Implementation: 2011-03-01
Quoted Standard: JB/T 10061; JB/T 10062; special equipment NDT personnel the State Administration of Quality Supervision, Inspection and Quarantine assessment and Regulatory Decree Rule 248 (2003)
Regulation (derived from): National Standard Approval Announcement 2010 No.6 (Total No.161)
Issuing agency(ies): General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China
Summary: This standard specifies the use of pulse reflection method. Stainless steel high-pressure equipment for urea pole automatic surfacing contact Ultrasonic detection and thickness measurement. This section applies to surfacing layer thickness of not less than 3 mm in stainless steel with a highly automated surfacing Li ultrasonic testing.

GB/T 25151.1-2010: Fabrication and inspection method for high pressure urea equipment -- Part 1: Ultrasonic examination on the automatic strip overlay welds of stainless steel

---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Fabrication and inspection method for high pressure urea equipment Part 1. Ultrasonic examination on the automatic strip overlay welds of stainless steel ICS 71.120.10; 75.180.20; 23.020.30 G93 National Standards of People's Republic of China Urea manufacturing high pressure equipment inspection methods Part 1. Stainless steel pole with automatic heap Ultrasonic testing solder layer Part 1. Ultrasonicexaminationontheautomaticstripoverlayweldsof stainlesssteel Issued on. 2010-09-26 2011-03-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

GB/T 25151 "high pressure urea equipment manufacturing test method" is divided into six parts. --- Part 1. Stainless steel with pole automatic surfacing ultrasonic testing; --- Part 2. Urea grade ultra-low carbon chromium-nickel-molybdenum austenitic stainless steel selective corrosion inspection and metallographic examination; --- Part 3. Urea grade ultra-low carbon chromium-nickel-molybdenum austenitic stainless steel to intergranular corrosion tendency test; --- Part 4. urea grade ultra-low carbon chromium-nickel-molybdenum austenitic stainless steel to intergranular corrosion tendency test specimens prepared to take; --- Part 5. High-voltage devices urea ammonia leak test methods; --- Part 6. High-voltage devices urea helium leak test methods. This section GB/T 25151 Part 1. This part is proposed by the China Petroleum and Chemical Industry Association. This part of the National Chemical Machinery and Equipment Standardization Technical Committee (SAC/TC429) centralized. This section drafted by. China Petrochemical Group Nanjing Chemical Industry Co., Ltd. Chemical Machinery Plant. The main drafters of this section. Luorui Tao. Urea manufacturing high pressure equipment inspection methods Part 1. Stainless steel pole with automatic heap Ultrasonic testing solder layer

1 Scope

This section GB/T 25151 specifies the use of pulse reflection method, high pressure equipment for urea automatic welding stainless steel electrode layer in contact with Ultrasonic detection and thickness measurement. This section applies to the surfacing layer thickness of not less than 3mm stainless steel pole automatic surfacing ultrasonic testing.

2 Normative references

The following documents contain provisions which, through reference GB/T 25151 in this section constitute provisions of this section. For dated reference documents Member, all subsequent amendments (not including errata content) or revisions do not apply to this section, however, encouraged to reach under this section Parties to research agreement to use the latest versions of these documents. For undated reference documents, the latest versions apply to this section. JB/T 10061 A-mode pulse reflection type ultrasonic flaw detector General technical requirements JB/T 10062 ultrasonic flaw detection probe performance test method "Special Equipment NDT personnel appraisal and supervision rules," the State Administration of Quality Supervision, Inspection and Quarantine Order No. 248 (2003)

3 operator

3.1 Qualification Surfacing detection by pressing the "special equipment NDT personnel appraisal and supervision rules" training, after passing the examination, or get Ⅱ grade Ⅱ level and above qualifications ultrasonic testing to detect officer. 3.2 Skills The operator should have detected the workpiece material, welding technology, the site may have defects, etc., and can be fully based on the reflected wave Co judgment.

4 flaw detector and probe

4.1 Sensitivity Surplus Reaching the detectors sensitivity margin is the subject of the workpiece at the maximum sound path should be at least 20dB. 4.2 Attenuator error The amount of attenuation flaw detector should have no less than 80dB adjustable attenuator accuracy of any adjacent 12dB error is within ± 1dB. Maximum cumulative error is less than 1dB. 4.3 Probe Type 4.3.1 narrow pulse probe Recommended use narrow pulse frequency 5MHz, wafer diameter of not more than 14mm (when the substrate thickness from one side of the detection or measurement can use this Probe). 4.3.2 double crystal straight probe Twice the angle beam shall meet effectively the sound field to cover the entire detection area, and allows the probe to the region with the greatest sensitivity. Transducer The total area should not exceed 325mm2. Nominal frequency of use of 2.5MHz. In order to achieve the desired resolution, may be employed ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 25151.1-2010_English be delivered?

Answer: Upon your order, we will start to translate GB/T 25151.1-2010_English as soon as possible, and keep you informed of the progress. The lead time is typically 1 ~ 3 working days. The lengthier the document the longer the lead time.

Question 2: Can I share the purchased PDF of GB/T 25151.1-2010_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 25151.1-2010_English will be deemed to be sold to your employer/organization who actually pays for it, including your colleagues and your employer's intranet.

Question 3: Does the price include tax/VAT?

Answer: Yes. Our tax invoice, downloaded/delivered in 9 seconds, includes all tax/VAT and complies with 100+ countries' tax regulations (tax exempted in 100+ countries) -- See Avoidance of Double Taxation Agreements (DTAs): List of DTAs signed between Singapore and 100+ countries

Question 4: Do you accept my currency other than USD?

Answer: Yes. If you need your currency to be printed on the invoice, please write an email to Sales@ChineseStandard.net. In 2 working-hours, we will create a special link for you to pay in any currencies. Otherwise, follow the normal steps: Add to Cart -- Checkout -- Select your currency to pay.