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The French NF standard is a product certification system related standard in France, with the code NF and managed by the French Association for Standardization (AFNOR). NF standard A49-701 involves standards for steel pipes. NF A49-701:1985 is the standard for cement mortar lining inside steel pipes.
keyword NF A49 - 701 Category Anti-coating pipe standards Related products Get a quoteNF A49-701 Cement mortar lining anti-corrosion steel pipe
The French NF standard is a product certification system related standard in France, with the code NF and managed by the French Association for Standardization (AFNOR). NF standard A49-701 involves standards for steel pipes. NF A49-701:1985 is the standard for cement mortar lining inside steel pipes.
Development of standards
NF A49 - 701: 1985 is a non mandatory national standard, but it has been updated and replaced by the French Institute for Standardization. The current version is NFA49-701:2006.
Characteristics of standard applicable steel pipes
The steel pipes applicable to this standard can be divided into straight seam welded pipes and spiral welded pipes, which can be used in fire water supply pipelines. It has the advantages of high strength and strong strain resistance, but its corrosion resistance is poor, so anti-corrosion treatment should be carried out.
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