NB/T 20450.3-2017 English PDF

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
NB/T 20450.3-2017	RFQ	ASK	11 days	Alternative welding code for mechanical components of PWR nuclear islands Part 3: Welding procedure qualification	Obsolete

Similar standards

NB/T 20015   EJ/T 350   EJ/T 424   NB/T 20445.4   NB/T 20439   NB/T 20432   

Basic data

Standard ID: NB/T 20450.3-2017 (NB/T20450.3-2017)
Description (Translated English): Alternative welding code for mechanical components of PWR nuclear islands Part 3: Welding procedure qualification
Sector / Industry: Energy Industry Standard (Recommended)
Classification of Chinese Standard: F69
Classification of International Standard: 27.120.20
Word Count Estimation: 87,811
Date of Issue: 2017-04-01
Date of Implementation: 2017-10-01
Quoted Standard: GB/T 226; GB/T 3375; GB/T 5185; GB/T 19866; NB/T 20003; NB/T 20004-2014; NB/T 20009; NB/T 20328-2015; NB/T 20450.1-2017; NB/T 20450.2-2017; NB/T 20450.4-2017
Regulation (derived from): National Energy Board Bulletin 2017 No. 7; Industry Standard Filing Announcement 2017 No. 9 (Total No. 213)
Issuing agency(ies): National Energy Administration
Summary: This standard specifies the butt weld and fillet weld welding process qualification, special weld process qualification, hardfacing and corrosion resistant surfacing process evaluation, heat exchange tube and tube sheet welding of nuclear island machinery and equipment of pressurized water reactor nuclear power plant. Process evaluation, tempering bead welding process qualification rules, test methods and qualification criteria. This standard applies to electrode arc welding (111), submerged arc welding (12), tungsten inert gas shielded arc welding (141), molten inert or non-inert gas shielded arc welding (131, 135), inert or non-inert gas Welding methods such as flux-cored wire arc welding (137, 136), plasma arc welding (15), electron beam welding (51), laser welding (52), and electroslag welding (72) surfacing.

Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of NB/T 20450.3-2017_English be delivered?

Answer: Upon your order, we will start to translate NB/T 20450.3-2017_English as soon as possible, and keep you informed of the progress. The lead time is typically in 9 seconds (download/delivered in 9 seconds). The lengthier the document the longer the lead time.

Question 2: Can I share the purchased PDF of NB/T 20450.3-2017_English with my colleagues?

Answer: Yes. The purchased PDF of NB/T 20450.3-2017_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.