| NF |
AFNOR (French
Association for Standardization) |
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Tour Europe - Cedex 7 |
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92049 Paris le Defense |
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France |
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Tel (33) 1 42 91 55 55 |
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Fax (33) 1 42 91 56 56 |
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Web site: www.afnor.fr |
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| A 49 - 111 |
Steel tubes-plain
end seamless tubes of commercial quality for general purposes at medium
pressure - |
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dimensions -
technical delivery conditions |
| A 49 - 112 |
Steel tubes-plain
end seamless hot rolled tubes with special delivery conditions - dimensions
- technical |
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delivery conditions |
| A 49 - 115 |
Steel tubes - hot
finished seamless tubes suitable for threading dimensions - technical
delivery conditions |
| A 49 - 117 |
Steel tubes -
seamless plain end tubes for pipe-lines and other uses - ferritic and
austenitic stainless steels |
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dimensions -
technical delivery conditions |
| A 49 - 141 |
Steel tubes - welded
plain end tubes of commercial quality for general use at medium pressure - |
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dimensions -
technical delivery conditions |
| A 49 - 142 |
Steel tubes -
longitudinally welded plain end tubes inferior or equal to 168,3 mm in
unalloyed steels with |
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special delivery
conditions - dimensions - technical delivery conditions |
| A 49 - 145 |
Steel tubes - hot
finished welded tubes suitable for threading - dimensions - technical
delivery conditions |
| A 49 - 146 |
Steel tubes -
unthreaded plain ended welded tubes for liquid - dimensions - technical
delivery conditions |
| A 49 - 147 |
Steel tubes - plain
end longitudinally welded tubes for pipelines and general use - austenitic
stainless |
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steels - dimensions
- technical delivery conditions |
| A 49 - 148 |
Steel tubes - plain
end longitudinally welded tubes for pipe lines and general use - ferritic
stainless steels - |
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dimensions -
technical delivery conditions |
| A 49 - 150 |
Steel tubes - welded
tubes to be coated or protected for water piping systems - dimensions -
technical |
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delivery conditions |
| A 49 - 160 |
Steel tubes. Welded
tubes for heating panels encased in concrete. Dimensions. Technical delivery
conditions |
| A 49 - 207 |
Steel tubes -
seamless or longitudinally welded stainless steel tubes for heat exchanger
in aircraft |
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construction -
dimensions - technical delivery conditions |
| A 49 - 210 |
Steel tubes -
seamless cold drawn tubes for fluids piping - dimensions - technical
delivery conditions |
| A 49 - 211 |
Steel tubes -
seamless plain-end tubes in unalloyed steels for fluid piping elevated
temperatures - |
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dimensions -
technical delivery conditions |
| A 49 - 213 |
Steel tubes -
seamless unalloyed and MO or CR-MO alloyed tubes for use at elevated
temperatures - |
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dimensions (with
normal tolerances) - technical delivery conditions |
| A 49 - 214 |
Steel tubes -
seamless austenitic steel tubes for use at elevated temperatures -
dimensions (with normal |
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tolerances) -
technical delivery conditions |
| A 49 - 215 |
Steel tubes -
seamless tubes for unalloyed or ferritic alloyed steel heat exchangers -
dimensions - technical |
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delivery conditions |
| A 49 - 217 |
Steel tubes -
seamless tubes for heat exchangers - stainless austenitic and ferritic
steels - dimensions - |
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technical delivery
conditions |
| A 49 - 218 |
Steel tubes -
seamless tubes for furnaces austenitic stainless steels - dimensions with
normal or reduced |
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tolerances -
technical delivery conditions |
| A 49 - 230 |
Steel tubes - plain
end seamless tubes for pressure vessels and piping systems used at low
temperatures - |
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dimensions -
technical delivery conditions |
| A 49 - 240 |
Steel tubes - plain
ended steel tubes longitudinally welded without fusion for pressure vessels
and piping |
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systems at low
temperatures - dimensions - technical delivery conditions |
| A 49 - 241 |
Steel tubes -
longitudinally pressure welded plain end tubes in non alloyed steel grades
for fluid piping up to |
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425°C - diameters
from 21,3 mm to 168,3 mm - dimensions technical |
| A 49 - 242 |
Steel tubes -
longitudinally pressure welded tubes, D less than or equal to 168,3mm in
unalloyed and low |
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alloyed steels
grades, used at moderate temperatures dimensions - technical delivery
conditions |
| A 49 - 243 |
Steel tubes -
longitudinally pressure welded tubes, D less than or equal to 168,3mm in
unalloyed or ferritic |
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alloyed steels
grades, used at elevated temperatures dimensions - technical delivery
conditions |
| A 49 - 244 |
Steel tubes. Welded
austenitic stainless and austenitic ferritic steel rolled tubes for pressure
service - |
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dimensions -
technical delivery conditions. |
| A 49 - 245 |
Steel tubes.
Longitudinally pressure welded tubes from non alloy and ferritic alloy
steels for heat exchangers |
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in diameters from
15,9 mm and 76,1 mm inclusive - dimensions - technical delivery conditions. |
| A 49 - 247 |
Steel tubes -
longitudinally welded tubes for heat exchangers austenitic stainless steels
- dimensions - |
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technical delivery
conditions |
| A 49 - 249 |
Steel tubes -
longitudinally welded plain end tubes for the food industry - austenitic
stainless steels - |
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dimensions -
technical delivery conditions |
| A 49 - 250 |
Steel tubes - welded
plain end tubes of commercial quality with or without special delivery
conditions |
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dimensions (D
greater than or equal to 168,3 mm) - technical delivery conditions |
| A 49 - 252 |
Steel tubes - welded
unalloyed steel tubes of diameter 168.3 to 1220 mm used at medium elevated |
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temperatures -
dimensions - technical delivery conditions |
| A 49 - 253 |
Steel tubes -
longitudinally fusion welded unalloyed and ferritic alloyed steel tubes for
use at elevated |
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temperatures -
dimensions - technical delivery conditions |
| A 49 - 310 |
Steel tubes -
seamless precision tubes for mechanical application - dimensions - technical
delivery conditions |
| A 49 - 311 |
Steel tubes -
seamless tubes for mechanical application - dimensions - technical delivery
conditions |
| A 49 - 312 |
Steel tubes -
seamless tubes for mechanical application - supplementary series -
dimensions - technical |
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delivery conditions |
| A 49 - 317 |
Steel tubes -
seamless plain end tubes for mechanical uses - austenitic stainless steels -
dimensions - |
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technical delivery
conditions |
| A 49 - 323 |
Steel tubes - jacks
for hydraulic transmissions - cold rolled or cold drawn seamless tubes -
"ready for use" - |
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dimensions -
technical delivery conditions |
| A 49 - 330 |
Steel tubes -
seamless cold drawn tubes for hydraulic and pneumatic power systems -
dimensions - |
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technical delivery
conditions |
| A 49 - 341 |
Steel tubes -
precision welded tubes for mechanical application - dimensions - technical
delivery conditions |
| A 49 - 342 |
Steel tubes - welded
steel tubes with improved machinability for mechanical machined parts -
dimensions - |
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dechnical delivery
requirements. |
| A 49 - 343 |
Steel tubes -
longitudinally welded tubes D<=168,3mm for engineering use - dimensions -
technical delivery |
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conditions |
| A 49 - 400 |
Steel tubes -
longitudinally electric resistance welded unalloyed steel tubes 17,2<=406,4
mm for the |
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transport of
pressurized fluids - dimensions - technical delivery conditions |
| A 49 - 401 |
Steel tubes -
longitudinally arc welded unalloyed steel pipes for fluid transporation
piping and pressure |
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vessels - dimensions
- technical delivery conditions |
| A 49 - 402 |
Tubes en acier -
tubes soudes helicoidalement par fusion en aciers non allies et micro allies
pour |
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canalisations de
transport de fluide et appareils a pression - dimensions - conditions
techniques |
| A 49 - 646 |
Steel tubes - round,
square and rectangular precision steel tubes longitudinally induction welded
from hot or |
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cold-rolled flat
products, coated or not coated - dimensions - technical delivery conditions. |
| A 49 - 647 |
Steel tubes -
structural welded tubes circular, square, rectangular or oval, in ferritic
or austenitic stainless |
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steels - dimensions
- technical delivery conditions |
| A 49 - 700 |
Steel tubes - hot
dip galvanized coatings - requirements for tubes and accessories |
| A 49 - 701 |
Cement mortar inner
coating |
| A 49 - 702 |
Outer and inner
coating based on hydrocarbon binders, applied hot |
| A 49 - 704 |
Polyethelene outer
coating |
| A 49 - 710 |
Steel tubes.
External coating with three polyethylene based coating. Application through
extrusion. |
| A 91 - 121 |
Hot dip galvanizing
(immersion in molten zinc) - characteristic properties and test method |
| A 91 - 122 |
Metallic coatings -
finished products of hot dip galvanized steel - specifications for the zinc
coating and |
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recommended method
of fabrication for the products to be galvanized |
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