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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. 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.
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
| 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.
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 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 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 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
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
ASTM A403 WP321 Concentric Reducer
A403 WP321H Concentric Reducer
S32100 Concentric Reducer
SS 1.4541 Concentric Reducer
SS S32109 Concentric Reducer
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 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
| 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 |
| 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 |
| 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 % |
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