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Stainless Steel 321 / 321H Pipe Fittings

KIRAN PIPE FITTING & MANUFACTURING COMPANY. is foremost suppliers of premium quality SS 321 / 321H Pipe Fittings in different sizes, thickness and grades. The addition of titanium content in 321 / 321H gives it a stabilizing effect. We use standard and best quality raw materials to assemble these Pipe Fittings. These SS 321 / 321H Pipe Fittings are perfectly suitable for numerous service industries like power plants, heavy engineering and automobile industries.

We are a well-known firm for supplying a wide range of Stainless Steel 321 / 321H Pipe Fittings which are perfect for high-temperature applications. Our SS 321 / 321H Pipe Fittings have an outstanding combination of key features such as excellent weldability, flawless finish, strong corrosion and oxidation resistance, superior creep strength and durability. These fittings are strongly resistant to acidic media.

KIRAN PIPE FITTING & MANUFACTURING COMPANY. carries a wide range of stainless steel 321, 321H pipe fittings in a variety of size, wall thicknesses, dimensions and tolerance to meet your project’s needs—including pipe fittings in dimension as per ASME/ANSI B16.9, ASME B16.25, ASME B16.28, ASME B16.49, MSS-SP-43 Fittings / weight & thickness of 321 - 321H stainless steel pipe fittings.

KIRAN PIPE FITTING & MANUFACTURING COMPANY. designs SS 321 / 321H Pipe Fittings in compliance with international standard specifications to ensure the accuracy of the product. We offer Stainless Steel 321 / 321H Pipe Fittings in customized dimensions and specifications mentioned by our clients. Our products are popularly known for their robust construction, sturdiness, accurate dimensions, superior performance and corrosion resistance.

KIRAN PIPE FITTING & MANUFACTURING COMPANY. supplies and stocks complete line of premium quality SS 321 / 321H Pipe Fittings in the national and international industrial market. These fittings are available at a very reasonable price. Our quality control professionals make sure to test all the products according to the requirement of appropriate standards.

Stainless Steel 321 / 321H Pipe Fittings Specifications

Specification : ASTM A403 / ASME SA403

Dimension Standard : ASME/ANSI B16.9, ASME B16.28, MSS-SP-43

ASME B16.9 : standard for – Factory-Made Wrought Buttwelding Fittings

ASME B16.25 : Buttwelding Ends

ASME B16.28 : standard for – Butt-Welded Short Radius Elbows & Returns Bends

MSS SP-43 : Wrought and Fabricated Butt-Welding Fittings for Low Pressure, Corrosion Resistant Applications

Size Range : ½" NB to 24" NB in Sch 10s, 40s, 80s, 160s, XXS. (DN6~DN100)

Seamless Butt Weld Fitting Size : 1/2" - 10"

Welded Butt Weld Fittings Size : 1/2" - 48"

Thickness : Sch 5s, Sch 10s, Sch 40s, Sch 80s, Sch 160s, Sch XXS

Bending Radius : R=1D, 2D, 3D, 5D, 6D, 8D, 10D or Custom

Type : Seamless / Welded / Fabricated

ASTM A403 WP321 / 321H Stainless Steel Buttweld Pipe Fittings Equivalent Grades

STANDARD WERKSTOFF NR. UNS JIS EN
SS 321 1.4541 S32100 SUS 321 X6CrNiTi18-10
SS 321H 1.4878 S32109 SUS 321H X12CrNiTi18-9

We fabricate the best suitable Pipe Fittings at our highly developed manufacturing unit, which meet all the customize requirements of our esteem clients. They offer high performance, long service life with low maintenance. The Stainless Steel 321 / 321H Pipe Fittings are suitable for applications like Oil refinery equipment, pressure vessels, boilers, chemical process, pharmaceutical, petrochemical, paper and pulp industries, condensers and heat exchangers.

We have a variety of options for packaging and shipping of the products. We offer safe and on-time delivery as per the demand. We make sure that there will be no damage to the products during transportation. The doorstep service is available as per the requirements.


Stainless Steel 321 / 321H Pipe Fittings Types

Stainless Steel 321 / 321H Elbow

SS 321 Elbow

SS 321H Elbow

ASTM A403 WP321 SS 90° Elbow

SS ASTM A403 WP321H 45° Elbow

Stainless Steel 321 180° Elbow

Stainless Steel 321H Long Radius - LR Elbow

SS 321 / 321H Short Radius - SR Elbow

SS 321 / 321H Buttweld Tee

SS 321 / 321H Tee

SS 321H Tee

Stainless Steel ASTM A403 WP321 / WP321H Tee

Stainless Steel 321, 321H Equal Tee

Stainless Steel 321, 321H Unequal Tee

Stainless Steel 321, 321H Pipe Tee

Stainless Steel 321, 321H Straight Tees

SS 321 / 321H Short Stub End

SS 321 Short Stub End

ANSI B16.9 SS 321H Short Stub End

ASTM A403 WP321 Short Stub End

ASTM A403 WP321H Short Stub End

UNS S32100, S32109 Short Stub End

SS 1.4541, 1.4878 Short Stub End

SS 321 / 321H Long Stub End

SS 321 Long Stub End

B16.9 SS 321H Long Stub End

ASTM A403 WP321 Long Stub End

A403 WP321H Long Stub End

UNS S32100, S32109 Long Stub End

Stainless Steel 1.4541 / 1.4878 Long Stub End

Stainless Steel 321 / 321H Eccentric Reducer

SS 321 - 321H Eccentric Reducer

SS ASTM A403 WP321 Eccentric Reducer

ASME / ASTM A403 WP321H Eccentric Reducer

Stainless Steel S32100 Eccentric Reducer

SS S32109 Eccentric Reducer

SS DIN 1.4541 Eccentric Reducer

SS 1.4878 Eccentric Reducer

SS 321 / 321H Concentric Reducer

SS 321 / 321H Concentric Reducer

ASTM A403 WP321 Concentric Reducer

A403 WP321H Concentric Reducer

S32100 Concentric Reducer

SS 1.4541 Concentric Reducer

SS S32109 Concentric Reducer

Stainless Steel 321 / 321H Cap

SS 321 / 321H Buttweld Cap

SS ASTM A403 WP321 Caps

ASME SA403 / ASTM A403 WP321H Caps

Stainless Steel 321 / 321H Pipe Cap

Stainless Steel 321 / 321H End Cap

SS 321 / 321H Pipe End Cap

ASME / ANSI B16.9 SS 321 / 321H End Pipe Cap

SS 321 / 321H Buttweld Cross

SS 321 / 321H Cross

ASTM A403 WP321 Stainless Steel Cross

Stainless Steel A403 WP321H Cross

SS 321 / 321H Buttweld Cross

Stainless Steel 321 / 321H Reducing Cross

ANSI B16.9 SS 321 / 321H Unequal Cross

SS 321 Equal Cross

Stainless Steel 321 / 321H Pipe Fittings Dimensions :

Nominal Pipe Size All Fittings All Fittings All Fittings Elbows/ Tees 180° Return Bends 180° Return Bends 180 Deg Return Bends Reducers Caps
NPS O.D. at Bevel (1), (2) I.D. at End
(1), (3), (4)
Wall Thickness (3) Centre-to-End Dimension A,B,C,M Centre-to-Centre O Back-to-Face K Alignment of Ends U Overall Length H Overall Length E
½ to 2½ 0.06
-0.03
0.03 Not less than 87.5% of nominal thickness 0.06 0.25 0.25 0.03 0.06 0.12
3 to 3 ½ 0.06 0.06 Not less than 87.5% of nominal thickness 0.06 0.25 0.25 0.03 0.06 0.12
4 0.06 0.06 Not less than 87.5% of nominal thickness 0.06 0.25 0.25 0.03 0.06 0.12
5 to 8 0.09
-0.06
0.06 Not less than 87.5% of nominal thickness 0.06 0.25 0.25 0.03 0.06 0.25
10 to 18 0.16
-0.12
0.12 Not less than 87.5% of nominal thickness 0.09 0.38 0.25 0.06 0.09 0.25
20 to 24 0.25
-0.19
0.19 Not less than 87.5% of nominal thickness 0.09 0.38 0.25 0.06 0.09 0.25
26 to 30 0.25
-0.19
0.19 Not less than 87.5% of nominal thickness 0.12 0.19 0.38
32 to 48 0.25
-0.19
0.19 Not less than 87.5% of nominal thickness 0.19 0.19 0.38

Stainless Steel 321 / 321H Pipe Fittings Chemical Composition

Grade C Mn Si P S Cr N Ni Ti
SS 321 0.08 max 2.0 max 1.0 max 0.045 max 0.030 max 17.00 - 19.00 0.10 max 9.00 - 12.00 5(C+N) – 0.70 max
SS 321H 0.04 – 0.10 2.0 max 1.0 max 0.045 max 0.030 max 17.00 - 19.00 0.10 max 9.00 – 12.00 4(C+N) – 0.70 max

SS 321 / 321H Pipe Fittings Mechanical Properties

Density Melting Point Tensile Strength Yield Strength (0.2%Offset) Elongation
8.0 g/cm3 1457 °C (2650 °F) Psi – 75000 , MPa – 515 Psi – 30000 , MPa – 205 35 %
Application Industries

SS 321 / 321H Pipe Fittings Application Industries

  • Textile machinery
  • Oil and gas industry
  • Pulp and paper industry
  • Power plants
  • Energy industries
  • Furniture
  • Pharmaceutical processing industry
  • Modern architecture
  • Home appliances
  • Water waste projects
  • Synthetic fiber
  • Heat exchanger
  • Fluid piping
  • Dairy and food processing

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