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GB/T 25151.4-2010 English PDF

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US$439.00 · In stock
Delivery: <= 4 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 25151.4-2010: Fabrication and inspection method for high pressure urea equipment -- Part 4: Intergranular corrosion tendency test specimen preparation for ultra-low carbon chromated nickel molybdenum austenitic stainless steel of urea grade
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 25151.4-2010	439	Add to Cart	4 days	Fabrication and inspection method for high pressure urea equipment -- Part 4: Intergranular corrosion tendency test specimen preparation for ultra-low carbon chromated nickel molybdenum austenitic stainless steel of urea grade	Valid

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Basic data

Standard ID: GB/T 25151.4-2010 (GB/T25151.4-2010)
Description (Translated English): Fabrication and inspection method for high pressure urea equipment -- Part 4: Intergranular corrosion tendency test specimen preparation for ultra-low carbon chromated nickel molybdenum austenitic stainless steel of urea grade
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: 19,149
Date of Issue: 2010-09-26
Date of Implementation: 2011-03-01
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 level of urea between platinum ultra-low carbon austenitic chromium-nickel stainless steel to intergranular corrosion tendency sampling tests. This section applies to inter- urea grade ultra-low carbon chromium-nickel austenitic stainless steels to intergranular corrosion tendency of the sample used in the experiment.

GB/T 25151.4-2010: Fabrication and inspection method for high pressure urea equipment -- Part 4: Intergranular corrosion tendency test specimen preparation for ultra-low carbon chromated nickel molybdenum austenitic stainless steel of urea grade

---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 4. Intergranular corrosion tendency test specimen preparation for ultra low-carbon chromated nickel molybdenum austenitic stainless steel of urea grade 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 4. urea grade ultra-low carbon austenitic chromium-nickel-molybdenum Between stainless steel corrosion tendency test sample preparation Part 4. Intergranularcorrosiontendencytestspecimenpreparation 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

Preface Ⅰ 1 Scope 1 State 2 specimens and samples 1 Preparation of test pieces and samples 3 1 Numeral 4 test pieces 13 5 along with the specimen (sample) documents sent to the buyer together 13 (Informative) Appendix A specimen processing 14 Appendix B (normative) suspension hole location 15

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 pole 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 Part of 425,151. Appendix B to this part of the normative Appendix Appendix A is an information appendix. 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. Ren Hui. Urea manufacturing high pressure equipment inspection methods Part 4. urea grade ultra-low carbon austenitic chromium-nickel-molybdenum Between stainless steel corrosion tendency test sample preparation

1 Scope

This section GB/T 25151 specifies the level of urea between ultra-low carbon chromium-nickel-molybdenum austenitic stainless steel to intergranular corrosion tendency sampling tests. This section applies to urea grade ultra-low carbon chromium-nickel molybdenum austenitic stainless steel to intergranular corrosion tendency test among the sample. State 2 specimens and samples 2.1 specimen and sample representativeness Specimens and samples should be representative of products, consistent with the corresponding state manufacturing. In the manufacturing process, when the material needs to feed When the row above 500 ℃ temperature heat treatment or other special treatment, the specimen should be subjected to the same treatment. 2.2 specimen and the surface state of the sample Specimens and surface state of the sample, the final surface state of the product should be made fairly. Sample board, pipe, when the required cutting, Keep at least a non-cutting surface in contact with corrosive process media. 2.3 welding specimens and samples When the manufacture of welded specimens, the welding method, welding parts, welding parameters, welding material grades, specifications and furnace (batch) numbers, and the product should be The same welding, weld samples generally welded condition tested. Preparation 3 specimens and samples Interception 3.1 specimens and samples 3.1.1 intercepted specimens should allow sufficient margin can be cut, saw and plasma from the material - arc cutting method, the specimen is at least enough To be subdivided into two samples. 3.1.2 from the specimen when test specimens shall show that the rolling or forging direction perpendicular to the direction of the cross-sectional area accounts for one half of the surface area the following. 3.2 Preparation of test pieces and samples 3.2.1 specimens and specimen preparation requirements shall be in accordance with Table 1 and Figure 1. ......

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Question 1: How long will the true-PDF of GB/T 25151.4-2010_English be delivered?

Answer: Upon your order, we will start to translate GB/T 25151.4-2010_English as soon as possible, and keep you informed of the progress. The lead time is typically 2 ~ 4 working days. The lengthier the document the longer the lead time.

Question 2: Can I share the purchased PDF of GB/T 25151.4-2010_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 25151.4-2010_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.