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The AFNOR NF X 15-211: 2009 standard - LabRepCo, LLC
The AFNOR NF X 15-211: 2009 standard A performance standard for the laboratory technicians protection The AFNOR NFX 15-211: 2009 Standard was established by the Union de Normalisation de la Mécanique (UNM), and composed of a team of experts (INRS, government bodies and professional unions), mandated by AFNOR This standard
Bicycle Frame Testing - ZEN Composites
The following document is an abridged version of the AFNOR NF EN 14781 test standard This shortened version gives an overview of only the frame testing portions of the standard This document should be used as a guideline only This is not an official document issued by AFNOR For a complete version of this test standard, please contact: AFNOR
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3M Food Safety Certifications, Recognitions and Validations
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Colilert -18 - IDEXX
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SS 303, Type 303, WNR 14305, UNS S30300, AISI 303, Grade 303
Grade 303, AFNOR Z 10 CNF 18-09 TYPE 303 WNR 1 4305 AISI 303 GRADE 303 UNS S30300 Carbon Manganese Phosphorus Sulfur Silicon Chromium Nickel SS 303 AFNOR Z 10 CNF 18-09 0 15 max 0 15 max 0 15 max 0 15 max 0 15 max 0 15 max 0 15 max 2 00 max 2 00 max 2 00 max 2 00 max 2 00 max 2 00 max 2 00 max 0 20 max 0 20 max 0 20 max 0 20 max 0 20 max 0 20
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Chemical Composition
Introduction :
Among the austenitic stainless steels 303 grade represents the optimum in machinability. It is primarily used once production involves intensive machining in automatic screw machines. 303stainless steel provides Good resistance to mildly corrosive atmospheres, but significantly less than
stainless steel 304 due to the sulphur addition; the sulphide inclusions act as pit initiation sites. Due
rapid pitting corrosion Grade 303 shouldn"t be exposed to marine or different similar environments. Grade 303 is subject to stress corrosion cracking in chloride containing environments above about60°C, like other common austenitic stainless steels. In intermittent service to 760°C and in
continuous service to 870°C it provides good oxidation resistance. Due to carbide precipitation continuous use in 425-860°C range not usually recommended. 303 grade is susceptible to sensitisation because it does not have a low carbon content. Compared to Grade 304 the sulphur additions in Grade 303 result in poor weldability and reduced formability as well as reducing the corrosion resistance. Welding is not generally recommended for stainless steel 303 material but, if unavoidable and a lower strength can be tolerated, by using stainless steel 308L or 309 electrodes. Mechanical PropertiesSS 303, Type 303, WNR 1.4305, UNS S30300, AISI 303,Grade 303, AFNOR Z 10 CNF 18-09
TYPE303WNR
1.4305
AISI 303
GRADE303UNS
S30300
Carbon
Manganese
Phosphorus
Sulfur
Silicon
Chromium
Nickel
SS 303AFNOR
Z 10 CNF
18-090.15 max 0.15 max 0.15 max 0.15 max 0.15 max 0.15 max 0.15 max
2.00 max 2.00 max 2.00 max 2.00 max 2.00 max 2.00 max 2.00 max
0.20 max 0.20 max 0.20 max 0.20 max 0.20 max 0.20 max 0.20 max
0.15 min 0.15 min 0.15 min 0.15 min 0.15 min 0.15 min 0.15 min
1.00 max 1.00 max 1.00 max 1.00 max 1.00 max 1.00 max 1.00 max
17.0-19.0 17.0-19.0 17.0-19.0 17.0-19.0 17.0-19.0 17.0-19.0 17.0-19.0
8.0-10.0 8.0-10.0 8.0-10.0 8.0-10.0 8.0-10.0 8.0-10.0 8.0-10.0Tensile Strength, ksi(Mpa)
Yield Strength, ksi(Mpa)
Elongation %
Reduction in Area, %
Hardness, HB
90[620]
45[310]
3040
170SS 303
90[620]
45[310]
3040
170TYPE
30390[620]
45[310]
3040
170WNR
1.4305
90[620]
45[310]
3040
170UNS
S30300
90[620]
45[310]
3040
170AISI 303
90[620]
45[310]
3040
170GRADE
30390[620]
45[310]
3040
170AFNOR
Z 10 CNF
18-09Standard Available in forms :
Products Available in forms :
ASTM A182/ ASME SA182 Stainlees Steel Pipe Fittings ASTM A213 / ASME SA213 Seamless Stainless Steel Pipes ASTM A240/ ASME SA240 Stainless Steels Sheets / Plates ASTM A249/ ASME SA249 Stainless Steel Welded Tubes ASTM A269/ ASME SA269 Stainless Steel Tubes
ASTM A270/ ASME SA270 Stainless Steel Sanitary Tubes ASTM A312/ ASME SA312 Stainless Steel Pipes
ASTM A403/ ASME SA403 Stainless Steel Pipe Fittings ASTM A554/ ASME SA554 Stainless Steel Welded Tubes ASTM A731/ ASME SA731 Stainless Steel Pipes
ASTM A789/ ASME SA789 Stainless Steel Tubes
ASTM A790/ ASME SA790 Stainless Steel Pipes
ASTM A791/ ASME SA791 Stainless Steel Tubes
SS 303, Type 303, WNR 1.4305, UNS S30300, AISI 303 Plates SS 303, Type 303, WNR 1.4305, UNS S30300, AISI 303 Pipes SS 303, Type 303, WNR 1.4305, UNS S30300, AISI 303 Round Bar SS 303, Type 303, WNR 1.4305, UNS S30300, AISI 303 Tube SS 303, Type 303, WNR 1.4305, UNS S30300, AISI 303 Flanges SS 303, Type 303, WNR 1.4305, UNS S30300, AISI 303 Wire SS 303, Type 303, WNR 1.4305, UNS S30300, AISI 303 FittingsCorrosion Resistance
Good resistance to mildly corrosive atmospheres, but significantly less than Grade 304 due to the sulphur addition; the
sulphide inclusions act as pit initiation sites. Grade 303 should not be exposed to marine or other similar environments, as these will result in rapid pitting corrosion.
Because the sulphide inclusions in 303 are primarily aligned along the rolling direction the corrosion resistance is particularly
reduced in cross-sections. Grade 303, like other common austenitic stainless steels, is subject to stress corrosion cracking in chloride containing
environments above about 60°C.Heat Resistance
Good oxidation resistance in intermittent service to 760°C and in continuous service to 870°C.
Continuous use in 425-860°C range not usually recommended due to carbide precipitation - 303 usually does not have a low
carbon content so is susceptible to sensitisation.Fabrication
As well as reducing the corrosion resistance, the sulphur additions in 303 also result in poor weldability and reduced formability
compared to Grade 304. Sharp bends should not be attempted in 303.
A practical compromise alternative may be a 304 Ugima Improved Machinability grade - this does not machine as readily as
303, but does offer better formability (as well as better weldability and corrosion resistance).
Heat Treatment
Solution Treatment (Annealing) - Heat to 1010-1120°C and cool rapidly. This grade cannot be hardened by thermal treatment.
Welding
Not generally recommended but, if unavoidable and a lower strength can be tolerated, use Grade 308L or 309 electrodes.
AS 1554.6 does not pre-qualify welding of 303. Welds must be annealed for maximum corrosion resistance.
Machining
A "Ugima" improved machinability version of grade 303 is available in round bar products. This machines significantly better even than standard 303, giving very high machining rates and lower tool wear in many
operations.Annealing
Type 303 should be heated to 1900°F minimum and water quenched or rapidly cooled by other means.
Hardening
Type 303 cannot be hardened by heat treatmentCold Working
The cold formability of Type 303 is reduced by its high sulfur content. Bending with a generous bend radius may be considered for Type 303. When cold forming is required, Type 304 should be considered.Hot Working
The high sulfur content, added for machinability, is detrimental to hot workability. If hot forming is necessary, an alternate grade such as Type 304 should be considered. When forging is necessary, it should be done in the 1800-2200°F range, and should be followed by annealing at 1900°F
minimum and water quenching or rapid cooling by other meansApplications
Nuts and Bolts
Bushings
Shafts
Aircraft Fittings
Electrical Switchgear Components
Gears
In general any component that is heavily machined and where the corrosion resistance and fabrication properties of 303
are viable.