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  • 29, Radha Krishna Temple Bldg., 1st Floor, Office No. 10, 4th Kumbharwada Lane, Mumbai - 400 004.
  • +91 22 6651 8616 / 6659 5953
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As a globally acclaimed industry we Natural Steels is completely included in manufacturing and offering the commendable quality of SS 309/310/310S Flanges. We are always striving harder to meet esteem patrons’ different demands. Therefore we consider providing the same to them in different specifications, standards, sizes, dimensions, pressures, classes. It is also fabricated and offered to the clients at custom-cut & made specifications so any special application demands can be very well satisfied. All our ranges of flanges that we provide are designed by effectively using pure quality of raw material, using refined technology and not to forget as per the national and international product quality standards.

monel-400-flanges-manufacturer-stockists-exporters-suppliers-mumbai-india

Stainless Steel 309/310/310S Flanges Manufacturers, Stainless Steel 309/310/310S Flanges Suppliers, Stainless Steel 309/310/310S Flanges Stockists, Stainless Steel 309/310/310S Flanges Exporters

Stainless Steel 309/310/310S Flanges Manufacturers In India, Stainless Steel 309/310/310S Flanges Suppliers In India, Stainless Steel 309/310/310S Flanges Stockists In India, Stainless Steel 309/310/310S Flanges Exporters In India

We are offering these UNS S30900/S31000/S31008 flanges in various forms. It is like ring type joint flanges, reducing flanges, threaded flanges, screwed flanges, spectacle blind flanges, socket weld flanges, weld neck flanges, blind flanges, slip-on flanges, etc.

SS 309 is the nickel and chromium-based austenitic SS and it is employed for those parts that demand oxidation resistance, heat resistance, and corrosion resistance. Strength at different temperatures is identical to the 18/8 SS. This material is possessing very good oxidation resistance ability in addition to the creep and high tensile strength at very high temperatures. It is also greatly resistant to marine atmosphere and is also considered to be a heat resistant material.

SS 310 is the austenitic SS material. It is designed for the use at the elevated temperature and corrosion-resistant purposes. It under the mildly cyclic condition is resisting oxidation to 1100 deg C. Due to greater chromium content and average nickel, it becomes sulfidation resistant. It is used at the cementing, thermal cycling, oxidizing, and nitriding applications. When it is given heat treatment, it becomes subjected to the sigma phase precipitations. SS 310S a lower carbon content alloy is used due to its fabrication ease.

Stainless Steel 309/310/310S Flanges Manufacturers In Mumbai, Stainless Steel 309/310/310S Flanges Suppliers In Mumbai, Stainless Steel 309/310/310S Flanges Stockists In Mumbai, Stainless Steel 309/310/310S Flanges Exporters In Mumbai

SS 309/310/310S Flanges is quality checked at our industry and then supplied. The tests done are namely pitting corrosion tests, chemical tests, flattening tests, etc. The documents attached and offered are radiography test report, third party test report, packaging list, guarantee letter, MTC, QAP, etc.

309/310/310S Stainless Steel Flanges Equivalent Grades

STANDARD UNS WNR. AFNOR EN JIS BS GOST
SS 309 S30900 1.4828 - - SUS 309 - -
SS 310 S31000 1.4841 / 1.4307 - X15CrNi25-20 SUS 310 310S24 20Ch25N20S2
SS 310S S31008 1.4845 - - SUS 310S - 20Ch23N18

Specification of Stainless Steel 309/310/310S Flanges

Stainless Steel Flanges Specification : ASTM A182 / ASME SA182
Dimension Standard : ANSI/ASME B16.5, B 16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DIN, etc.
Standard : ANSI Flanges, ASME Flanges, BS Flanges, DIN Flanges, EN Flanges, etc.
Size : 1/2" (15 NB) to 48" (1200NB)
Class / Pressure : 150#, 300#, 600#, 900#, 1500#, 2500#, PN6, PN10, PN16, PN25, PN40, PN64 etc.
Flange Face Type : Flate Face (FF), Raised Face (RF), Ring Type Joint (RTJ)
DIN Flanges : DIN 2527, 2566, 2573, 2576, 2641,2642, 2655, 2656, 2627, 2628, 2629, 2631, 2632, 2633, 2634, 2635, 2636, 2637,2638, 2673.
JIS Flanges : JIS B2220 5K, JIS B2220 10K, JIS B2220 16K, JIS B2220 20K
BS Flanges : BS4504 PN 6, BS 4504 PN 10, BS4504 PN 16, BS4504 PN 25, BS4504 PN 40, BS 4504 PN 64, BS 4504 PN 100, BS 4504 PN 160, BS 4504 PN 250, BS 10, BS Table D, BS Table E, BS Table F, BS Table H.

Chemical Composition Of Stainless Steel 309/310/310s Flanges

C Mn Si P S Cr Ni Fe
309 0.2 max 2.0 max 1.0 max 0.045max 0.03max 22 24 12-15 Balance
310 0.25 max 2.0 max 1.50 max 0.045max 0.03max 24-26 min: 8.0 max: 12.0 Balance
310S 0.08 max 2.00 max 1.50 max 0.045 0.03 24-26 19-22 Balance

Mechanical Properties Of Stainless Steel 309/310/310s Flanges

Grade Tensile Strength ksi (min) Yield Strength 0.2% ksi (min) Elongation % Hardness (Brinell) MAX
309 40 30 40 217
310 Psi – 75000 , MPa – 515 Psi – 30000 , MPa – 205 40% -
310S Psi – 75000 , MPa – 515 Psi – 30000 , MPa – 205 40% -

Physical Properties Of 309/310/310s Stainless Steel Flanges

Grade Density
lbm/in3
Thermal Conductivity
(BTU/h ft. °F)
Electrical
Resistivity
(in x 10-6)
Modulus of
Elasticity
(psi x 106
Coefficient of
Thermal Expansion
(in/in)/
°F x 10-6
Specific Heat
(BTU/lb/
°F)
Melting
Range
(°F)
309 at 68°F: 0.285 9.0 at 32- 212°F 30.7 at 68°F 28.5 8.28 at 32 – 212°F 0.1200 at 68°F to 212°F 2500-2590
SS 309/310/310S
Density lbm/in3 Melting Point (°F)
8.0 g/cm3 1454 °C (2650 °F)

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