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Flanges

Flanges


We provide all types of Flanges available in different grades. Our high-quality range of Flanges are exclusively designed for steel factories, petrochemical industry, fire protection systems, chemical industries, shipping/shipment industries, etc.


Nickel Alloy Flanges

As a leading manufacturer, supplier and stockist of Nickel Flanges, Navgrah Steel is making its way to the top in the national and international market. It adheres to all the standards put forth by them. ASTM B564 Nickel Alloy Flanges are used in condensers, heat exchangers, power generation, pharmaceutical equipment, etc. ASME SB 564 Nickel Alloy 200 Pipe Flanges are used with a Lap Joint flange, as a backing flange. Nickel Alloy UNS N02200 Blind Flanges are the most highly stressed flanges. It is used in valves and pressure opening vessels.

Flanges

We are one of the leading Manufacturers, Supplier and Exporters of high quality Inconel Flanges. These Inconel / Incoloy Flanges are available in special alloys like Inconel 600, Inconel 601, Inconel 625, Inconel 718, Inconel X-750, Incoloy 800, Incoloy 800H/ HT and Incoloy 825 etc. We are manufactured as per the international quality and safety standards. These Inconel Flanges are widely used in various applications industry like Oil & Gas industry, chemical industry, engineering etc..

  • a)Inconel 800 Flanges
    • B409
    • Alloy 800 (UNS N08800)
    • Alloy 800H (UNS N08810)
    • Alloy 800HT (UNS N08811)
  • b)Inconel 825 Flanges

    ASTM Specifications


    ElementDensityMelting PointTensile StrengthYield Strength (0.2%Offset)Elongation
    Incoloy 8258.14 g/cm31400 °C (2550 °F)Psi – 80,000 , MPa – 550Psi – 32,000 , MPa – 22030 %

  • c)Inconel 625 Flanges
    STANDARDWERKSTOFF NR.UNSJISBSGOSTAFNOREN
    Inconel 6252.4856N06625NCF 625NA 21ХН75МБТЮNC22DNB4MNiCr22Mo9NbNiCr23Fe

  • d)Inconel 600 Flanges
    STANDARDWERKSTOFF NR.UNSJISBSGOSTAFNOREN
    Alloy 6002.4816N06600NCF 600NA 13МНЖМц 28-2,5-1,5NC15FE11MNiCr15Fe

  • e) Inconel 718 Flanges
    STANDARDWERKSTOFF NR.UNSJISBSGOSTAFNOREN
    Inconel 7182.4668N07718NCF 718
We are Manufacturers, Supplier and Exporters of Hastelloy Flanges. We offer various types of Hastelloy C276 flanges that are provided in ANSI, DIN, JIS, BS and ASME standards. We offer a comprehensive range of Hastelloy Flanges including Slip on flanges, socket weld, blind, lapped, screwed, weld neck, reducing, spectacle, slip on boss, plate, plate blank, screwed boss, etc.
  • a)Hastelloy C276 Flanges

  • STANDARDUNSWERKSTOFF NR.AFNORENJISBSGOST
    Hastelloy C276N102762.4819NiMo16Cr15WNW 0276ХН65МВУ

    Hastelloy C276NiCMoMnSiFePSCoCr
    Balance0.010 max15.00 – 17.001.00 max0.08 max4.00 – 7.000.04 max0.03 max2.5 max14.50 – 16.50

  • b)Hastelloy C22 Flanges

  • STANDARDUNSWERKSTOFF NR.AFNORENJISBSGOST
    Hastelloy C22N060222.4602NiCr21Mo14WNW 6022

    Hastelloy C22NiCMoMnSiFePSCoCr
    Balance0.010 max12.5 – 14.50.50 max0.08 max2 – 60.02 max0.02 max2.5 max20 – 22.5
Navgrah Steel offer an extensive collection of Monel Alloy 400 / K500 Flanges, which are esteemed for their hassle-free installation and dimensional accuracy. The corrosion resistance of these Alloy K500 Flanges is considerably equal to that of Alloy 400. Monel K500 Flanges has about three times the yield power and two times the tensile power when compared by means of Alloy 400. The machinability of Alloy 400 Flanges is tough as it work-strengthens in the course of machining.

Monel 400
STANDARDUNSWERKSTOFF NR.AFNORENJISBSGOST
Monel 400N044002.4360NU-30MNiCu30FeNW 4400NA 13МНЖМц 28-2,5-1,5

Monel 500
STANDARDUNSWERKSTOFF NR.AFNORENJISBSGOST
Monel K500N055002.4375

Monel K500NiCAlMnSiFeCuSTiCr
63.0 min0.25 max2.3 – 3.151.5 max0.5 max05 – 227.0 – 33.00.010 max0.35 – 0.85
Navgrah Steel is a well-known manufacturing unit of Nickel Alloy 200 / 201 Flanges, which has highly resistant to various reducing chemicals. Nickel 200 Slip On Flanges are solid solution strengthened and commercially pure wrought materials. Nickel 201 Blind Flanges has good resistance to corrosion in acids and alkalis and is most useful under reducing conditions.
Nickel 200
STANDARDWERKSTOFF NR.UNSJISBSGOSTAFNOREN
Nickel 2002.4066N02200NW 2200NA 11НП-2N-100MNi 99.2

NiFeCuCMnSSi
99.0 min.40 max.25 max.15 max.35 max.01 max.35 max

Nickel 201
STANDARDWERKSTOFF NR.UNSJISBSGOSTAFNOREN
Nickel 2012.4068N02201NW 2201NA 12НП-2LC-Ni 99

We can offer a comprehensive range of Sanicro 28/Alloy 28 Flanges that is using high quality raw materials . We are leading manufacturer & Suppliers of high quality of sanicro 28 Flanges. These Flanges are available in different size, specification, grades & thickness as per the clients requirements.
STANDARDMaterial No.EN DesignationUNS
Alloy 281.4563X1NiCrMoCuN31-27-4N08028

Chemical Composition

C
%
Si
≤ %
Mn
≤ %
P
≤ %
S
≤ %
≤ 0.020.702.000.030.01

Special Stainless Steel Flanges:

We are one among the leading manufacturers and suppliers of an ample range of Special Stainless Steel Flanges, which has heaped immense praises among the clientele we hold. Known for its easy installation, these are highly popular in the market.

  • SS 904L/UNS NO8904
  • Specifications
    JIS G4304/4305 ASTM A240 EN
    SUS 890L UNS N08904 1.4539
    Chemical Composition, %
    Grade Ni Mo Cr Cu C Mn Si P S
    904L 23 – 28 4 – 5 19 – 23 1 – 2 0.02 max 2.0 max 1.0 max 0.045 max 0.035 max
  • SS 308/ SS 309/SS 309H/SS 310S/SS 310/SS 310H
  • Specification

    Grade

    UNS No

    Old British

    Euronorm

    Swedish SS

    Japanese JIS

    BS

    En

    No

    Name

    310

    S31000

    310S24

    -

    1.4840

    X15CrNi25-20

    Chemical Composition

    Grade

    C

    Mn

    Si

    P

    S

    Cr

    Mo

    Ni

    N

    310

    min.

    max.

    -

    0.25

    -

    2.00

    -

    1.50

    -

    0.045

    -

    0.030

    24.0

    26.0

    -

    19.0

    22.0

    -

    310S

    min.

    max.

    -

    0.08

    -

    2.00

    -

    1.50

    -

    0.045

    -

    0.030

    24.0

    26.0

    -

    19.0

    22.0

    -

  • SS 317L
  • Specifications

    Grade

    301,304,304l,321,316,316l,309s,310

    Thickness

    Cold rolled:0.2-3.0mm

    Hot rolled:3.0-60mm

    Length

    As customer’s requirement

    Surface Finish

    2B,2D,BA,NO4, Hair Line,6K, etc

    Manufacture Technology

    Cold rolled/ Hot rolled

    Material

    DDQ, High Copper, Half Copper or Low Copper Material

    Standard

    JIS, ASTM, AISI, GB, DIN, EN, etc

    we usually use ASTM and GB Standard

    Chemical Composition

    Element Iron, Fe Chromium, Cr Nickel, Ni Molybdenum, Mo Manganese, Mn Silicon, Si Phosphorous, P Carbon, C Sulfur, S
    Content (%) Balance 18-20 11-15 3-4 2 1 0.045 0.03 0.03
  • SS 347
  • ElementCSiMnPSCrNFeNi
    Percent by Weight0.080%75.00%200.00%4.50%0.0317.00-19.0010.00%Balance9.00-12.00
  • Duplex 2205 / UNS NO31803
  • Specifications
    Pipe Smls Pipe Welded Tube Smls Tube Welded Sheet/Plate Bar Flanges, Fittings & Valves
    A790 A790 A789 A789 A240 A276 A182
    Chemical Composition, %
    Cr Ni Mo C N Mn Si P S Fe
    22.0-23.0 4.50-6.50 3.00-3.50 .030 Max 0.14-0.20 2.00 Max 1.00 Max .030 Max .020 Max Balance
  • Super duplex UNS NO32750/32760
  • Chemical Composition, %
    Cr Ni Mo C N Mn Si Cu P S Fe
    24.0-26.0 6.0-8.0 3.0-5.0 0.030 Max .24-.32 1.20 Max 0.80 Max 0.50 Max 0.035 Max 0.020 Max Balance
  • AL6XN
    • UNS N08367
    • ASTM B 688, B 691, B 675 / 676
    • B 462, B 366, B 564, B 804
    Specifications

    Pipe Welded Tube Welded Sheet/Plate Bar Flanges & Fittings
    B675, A312 B676, A249 B688, A240 B691, A479 B462, A182
  • SS 316Ti
  • Specifications
    Standard316Ti
    UNSS31635
    Werkstoff Nr.1.4571
    Chemical Composition, %
    ElementCSiMnPSCrMoNFeNiTi
    Min-----162-Balance105x%(C+N)
    Max0.080.7520.450.031830.114
  • SA 253 MA
    • UNS S30815
    • ASTM A 240, A 276, A 312
    Specifications
    UNS No Old British Euronorm Swedish Japanese
    BSEnNoNameSSJIS
    S30815--1.4835X9CrNiSiNCe21-11-22368-
    Chemical Composition, %
    Cr Ni C Si Mn P S N Ce Fe
    20.0-22.0 10.0-12.0 0.05-0.10 1.40-2.00 0.80 Max 0.040 Max 0.030 Max 0.14-0.20 0.03-0.08 Balance

  • SS 304/SS 304L/ SS 316/SS 316L/SS 321
  • Chemical Composition

    Grade C Mn Si P S Cr Mo Ni
    317 0.08 max 2 max 1 max 0.040 max 0.03 max 18 – 20 3 – 4 11 – 14
    317L 0.035 max 2 max 1 max 0.040 max 0.03 max 18 – 20 3 – 4 11 – 15


Special Stainless Steel Flanges

Carbon/mild Steel/Galvanised Iron Flanges:



    i.IS 1239/IS 3589


    Specifications

    IS 3589 & 1239 Mild Steel Pipes and Tubes Specification :

    Size : 15mm NB to 150mm NB (1/2” to 6”), 7″ (193.7mm OD to 20″ 508mm OD)

    Dimension & Tolerance : Mild Steel Pipes Dimensions – IS: 1239 (Pt I) – 2004, Equivalent to BS – 1387 / 1985

    Specifications : IS – 1239 (Part -1) 2004, Equivalent to BS – 1387 / 1985

    Surface Finish : Black

    Features : High Strength, Corrosion Resistant, High Toughness and Deformability

    Length : As per customer’s requirement (Maximum upto 7 meters)

    Features : High Strength, Corrosion Resistant, High Toughness and Deformability

    Grade : Mild Steel IS 1239 & 3589



    ii.A234 Gr WPB


    Chemical Composition
    GradeCMnPSSiCrMoNiCuOthers
    WPB0.30.29.1.060.050.0580.10.40.150.40.4V 0.08

    ii.A105


    Element Composition, %
    Carbon 0.35 max
    Manganese 0.60-1.05
    Phosphorus 0.035 max
    Sulfur 0.040 max
    Silicon 0.10-0.35
    Copper 0.40 max (1)
    Nickel 0.40 max (1)
    Chromium 0.30 max (1-2)
    Molybdenum 0.12 max (1-2)
    Vanadium 0.08 max

High Strength Steel Flanges

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