SS 316Ti Instrumentation Tube Fittings
Duplex steel tube fittings are engineered from a unique blend of austenitic and ferritic stainless steels, delivering exceptional strength and corrosion resistance that outperforms many conventional alloys. These fittings are tailored to withstand harsh and critical environments across industries such as oil and gas, chemical processing, and marine engineering. Known for their durability and reliability, duplex fittings provide leak-proof connections and superior mechanical stability, making them an excellent choice for high-pressure and corrosive applications.

ASTM A182 Duplex Steel S31803 Tube Fittings, UNS S32205 Union Tee, DIN 1.4462 Female Branch Tee Supplier in Mumbai, India.

Kalpataru Piping is a leading supplier and manufacturer of Duplex Steel Tube Fittings, expertly crafted from high-performance alloys UNS S31803 and S32205. These fittings combine superior strength with exceptional resistance to corrosion and cracking, making them ideal for demanding industrial environments. Lightweight yet durable, our duplex fittings excel in applications ranging from chemical processing to marine engineering, delivering reliable, leak-proof connections and efficient heat transfer capabilities. Whether it’s for welding, anodizing, or other specialized needs, Kalpataru stands out by providing products built for performance and longevity.

UNS S31803 Bulkhead Union Supplier, ASME SA182 Duplex Steel S32205 Front & Back Ferrule Exporter in India.

Highly appropriate in several industries, our offered Duplex Steel S31803 Reducing Union Fittings is made up of by using high quality of material and is leading in techniques as per the set standards. Further, we offer Duplex Steel S32205 Bulkhead Union Fittings in different designs as per the conditions told by clients. Meanwhile, UNS S31803 Bulkhead Reducing Union Fittings has some important features like Easy installation, splendid quality, and smooth finish. We also manufacture and supply these Duplex Steel S32205 Union Elbow Fittings to meet your made-to-order requirements in an exclusive variety of special alloy and stainless steel grades.

Duplex 2205 Tube Fittings Specification

The Duplex 2205 tube fittings meet comprehensive chemical, mechanical, and dimensional standards to guarantee high-performance under extreme conditions.
Specifications ASTM A182, A276, A479 / ASME SA182, SA276, SA479
Size 1/16"–1/2" & 1.5MM to 38.1MM
Thread NPT, PT, BST, NPS, PS, BSP
Pressure 6000PSI for Stainless Steel 300/1000/3000PSI for Brass
Types Tube to Union, Tube to Male, Tube to Female, Instrument Pipe Fittings, Accessories

Duplex 2205 Tube Fittings Types

Discover the variety of tube fitting types manufactured from Duplex 2205, engineered for strength and corrosion resistance.

Shapes of Duplex Stainless Steel S31803 Tube Fittings

S31803 tube fittings come in multiple shapes, enhancing piping system design and efficiency.
  • Cap
  • Cross
  • Straight
  • Tee
  • Elbow
  • Plug
  • Nut

Configurations of DSS S31803 Male Bulkhead Connector

Various configurations of DSS S31803 male bulkhead connectors offer tailored installation solutions.

  • ube Closure

  • Female Connector

  • Tube to Male

  • Ferrule Set, Weld Connector

  • Tube to Tube

Stainless Steel Duplex Male Elbow Connection Types

Duplex male elbows are designed with different connection types to fit specific piping needs

  • NPT

  • BSP

  • Male

  • Male to male

  • Instrumentation

  • JIC

  • ORB

  • Female

  • Weld

  • Male to female

Duplex S32205 Compression Fittings International Standard

S32205 compression fittings conform to global standards, offering consistent quality and compatibility for diverse piping systems.

American standardManufacturing form
ASTM A276 type 2205Duplex 2205 Tube adapters
ASTM A479 type 2205Straight fittings
ASTM A276M, A479M 
ASME SA 276/ SA 479 
ASTM A182Cross
ASME SA 182Tee
ASTM A182MElbow

 

Dimensional Tolerances of Alloy 2205 Female Run Tee

Alloy 2205 female run tees are manufactured with precise dimensional tolerances to ensure perfect fitting and leak-free connections.
Nominal Pipe Size 3 to 3⅜ 4 1½ to 2⅝ 5 to 8
Center – End 2 2 2 2
ID (End) 4.08 6.04
-4.08
3.02 6.04
-4.08
OD 1.06 1.06 1.06 2.04
Bevel (D) -0.08 -1.06

Sizes of DSS S32205 Compression Fittings

DSS S32205 compression fittings are offered in multiple sizes to accommodate different piping diameter requirements.
Dash BSPT & BSPP
Size Size & Pitch
inch – TPI
-12 3/4 – 14
-10 5/8 – 14
-20 1.1/4 – 11
-4 1/4 – 19
-48 3 – 11
-24 1.1/2 – 11
-8 1/2 – 14
-16 1 – 11
-2 1/8 – 28
-6 3/8 – 19
-40 2.1/2 – 11
-32 2(11)

Alloy 2205 Tube Fittings Size Range

The size range of alloy 2205 tube fittings spans small to large diameters, suitable for scaled industrial applications.
Tube Fittings Types Forms of Duplex 2205 Tube Fittings Size OD Size Inch
Tube to Pipe Fittings Male Tee, Reducing Hex Coupling, Reducing Hex Nipple, Street Elbow, Street Tee, Union Joint Ball, Female Elbow, Street Elbow, Allen Key, Bushing, Female Tee, Hex Coupling, Hex Nipple, Male Elbow, Male Female Adapter, Male Female Branch Tee, Male Tee, Reducing Hex Coupling, Reducing Hex Nipple, Female Cap, Female Cross, Female Elbow, Female Street Elbow, Allen Key, Bushing, Female Cap, Female Cross, Female Elbow, Female Tee, Hex Coupling, Hex Nipple, Male Elbow, Male Female Adapter, Male Female Branch Tee, Street Elbow, Street Tee, Union Joint Ball. 6mm to 38mm 1/4″ to 1 1/2″
Tube to Male Fittings Male Connector, Male Bulkhead Connector, Male Elbow, Male Run Tee, Male Branch Tee, Male Connector, Male Bulkhead Connector, Male Elbow, Male Run Tee, Male Branch Tee
Tube Fittings Accessories Blanking Plug, Tube Nut, Front Ferrule, Back Ferrule, Blanking End, Blanking Plug, Tube Nut, Front Ferrule, Back Ferrule, Blanking End
Tube to Union Union Tee, Bulkhead Union, Union Elbow, Reducing Elbow, Union, Union Cross, Union Tee, Bulkhead Union, Union Elbow, Reducing Elbow, Union, Union Cross
Tube to Female Fittings Female Connector, Female Bulkhead Connector, Female Run Tee, Female Branch Tee, Female Connector, Female Bulkhead Connector, Female Run Tee, Female Branch Tee

Duplex Steel Tube Union End Types

Duplex steel tube unions come in various end types to facilitate flexible and secure mechanical connections.

  • Threaded
  • JIC
  • Welding
  • Socket weld
  • Butt weld

Duplex Female Elbow Thread I.D

Thread inner diameters on duplex female elbows are engineered for compatibility with standard pipe sizes.
BSPP Female Thread I.D
inch mm
3.36 85,4
0.97 24,6
1.21 30,7
0.75 19,1
2.26 57,4
2.86 72,6
0.6 15,2
1.55 39,4
0.82 20,8
1.79 45,5
0.34 8,6
0.47 11,9

Stainless Steel Duplex Male Elbow Thread O.D

The outer diameter of stainless steel duplex male elbow threads follows strict sizing for precise system integration.
BSPT Male Thread O.D
inch mm
1.28 32,6
1.62 41,1
1.85 47,0
0.37 9,5
0.5 12,8
0.64 16,3
0.8 20,4
0.89 22,5
2.92 74,1
3.41 86,6
1.02 25,9
2.31 58,6

Duplex Stainless S32205 Male Bulkhead Connector Installation

Step-by-step installation methods ensure secure and efficient setup of Duplex S32205 male bulkhead connectors.
Installation description Type
NPT
UNF
BSPT
3000-6000 Psig pressure
Double Ferrule
Duplex Stainless Branch Reducing Tee
Double Ferrule
3000-6000 Psig pressure
UNF
NPT
BSPT
Stainless Steel Duplex Bulkhead Union
Double Ferrule
3000-10000 PSI pressure
Port Size: 1/16″ to 1 1/2″
DSS Tube Nuts
Metric
NPT
Threaded
BSP
JIC
Duplex SS Male Street Tee
Sleeve Type
Metric thread
Single Ferrule
Stainless Steel Duplex Bulkhead Union Elbow
Single Ferrule
Sleeve Type
Metric thread
DSS Cross
Male To Female
Round head
Threaded
Duplex SS Street Elbow
Round head
Threaded
ASTM A182 Duplex Steel Female Thread Elbow
Round head
Threaded
ASTM A276 Duplex Female Run Tee

Testing of Duplex 2205 Tube Fitting

Rigorous testing protocols validate the mechanical and chemical integrity of Duplex 2205 tube fittings.
  • Burst Test
  • Stress Corrosion Test
  • Performance Test
  • Alloy 2205 Tensile Test
  • Elevated Temperature Test
  • Thermal Cycling Test
  • Repeat Assembly Test
  • Duplex 2205 Pneumatic Proof Test
  • Examination of Specimen
  • Rotary Flexure Test

Duplex Stainless Steel Female Connector Material of Construction

Female connectors in duplex stainless steel are constructed with high-grade materials to meet industry standards.
Material Component Marking
6 – moly Back ferrule “254” or “6HN”
on outer rim
Duplex 2205 Front ferrule “2205”
on outer rim
Duplex 2205 Body “2205”
on neck
Duplex 2205 Nut Notched hex,
“2205” on face

UNS S31803 Instrumentation Tube Fittings Chemical Composition

The chemical composition of UNS S31803 instrumentation tubing ensures durability in high-stress environments.
Ni Cr Si Mo
Nickel Chromium Silicon Molybdenum
4.50% – 6.50% min. 22.0% – 23.0% 1.00% max 3.0% – 3.50%
S N P Mn
Sulfur Nitrogen Phosphorus Manganese
0.020% min. 0.140% – 0.200% 0.030% max 2.00%

Duplex 2205 Tube Fittings Equivalent Material

Equivalent materials to Duplex 2205 fittings provide options for compatibility and global sourcing flexibility.
ASTM UNS EN ASME WNR BS ISO AFNOR GOST AVESTA SHEFFIELD
A276/ A479 / A182 S31803 / S32205 1.4462 – X2CrNiMoN22-5-3 SUS 329J3L 1.4462 318S13 – 318 S 13 CrNiMo22-5-3 – CrNiMo 22-5-3 Z3CND22-05AZ – Z 3 CND 22-05 Az 02Ch22N5M3 – 02Х22Н5АМ3 SAF 2205

Mechanical Properties of Duplex 2205 Pneumatic Fittings

Mechanical properties define the strength and durability of Duplex 2205 pneumatic fittings under pressure.
ASTM UNS EN ASME WNR BS ISO AFNOR GOST AVESTA SHEFFIELD
A276/ A479 / A182 S31803 / S32205 1.4462 – X2CrNiMoN22-5-3 SUS 329J3L 1.4462 318S13 – 318 S 13 CrNiMo22-5-3 – CrNiMo 22-5-3 Z3CND22-05AZ – Z 3 CND 22-05 Az 02Ch22N5M3 – 02Х22Н5АМ3 SAF 2205

Physical Properties of Alloy 2205 Flare Fittings

Physical characteristics such as density and tensile strength make Alloy 2205 flare fittings reliable in various industries.
Properties Density Modulus of elasticity Poissons ratio Linear expansion (RT ➞ T)°C Thermal conductivity   Thermal capacity Electric resistivity
Units g/cm³ lb/in³ GPa psi x 10-6   x 10-6/°C W/m°C Btu/h ft°F J/kg°C µΩm
20°C 7.8    0.28    200 29    0.3    15 8.7    500 0.8
100°C 194 13 16 530 0.85
200°C 186 13.5 17 560 0.9
300°C 180 14 18 590 1

Applications of Duplex 2205 Tube Fittings

Our Duplex 2205 tube fittings are designed for use in oil and gas, chemical processing, and marine sectors.

  • Power Generation
  • Pulp and Paper
  • Flue-gas Cleaning
  • Desalination & Marine

Most Common Critical Issues of Duplex Stainless S32205 Tube Fittings

Understanding frequent challenges helps in preventative maintenance and ensures longer service life of Duplex S32205 fittings. Some issues include: 

  • Corrosion: Exposure to aggressive chemicals can lead to surface degradation and compromises in performance.
  • Tight sealing: Achieving leak-free connections is essential to prevent process losses and contamination.
  • Thermal shock inside the boiler: Rapid temperature changes may induce cracking or failure of the fitting material.
  • Installation: Incorrect installation techniques can impact fit integrity and long-term reliability.
  • Tube grip or SA 182 duplex vibration: Improper grip or excessive vibration may cause loosening, wear, or early failure in service.

HS Code of DSS 2205 Tube Fittings

The HS Code classification allows standardized identification and smooth handling of Duplex 2205 tube fittings in international trade.
Properties Values
HSN Code 72042190
Duplex 2205 Tube Fittings Supplier in India, known for producing robust and reliable tube fittings that meet the rigorous demands of petrochemical industries.
Other Available Stock of Duplex Steel Instrumentation Tube Fittings
  • Duplex Steel Swagelok instrumentation Fittings
  • ASTM A182 Duplex Steel S32205 Reducing Union Tee
  • Duplex 2205 45 Degree Positionable Male Elbow
  • ASTM A276 Duplex Steel S31803 Ferrule Nut
  • Duplex Steel S32205 Positionable Male Run Tee
  • Duplex Steel S31803 /S32205 Hex Plug
  • ASTM A182 Duplex S31803 Tube End Closure
  • ASME SA182 S31803 Duplex Steel Fitting End Closure
  • 2205 Duplex Steel Parker Compression Fittings
  • Duplex Steel A182 S31803 Bulkhead Reducing Union
  • Duplex Steel S31803 Hydraulic Fittings in India
  • Duplex Steel Single Ferrule Compression Fitting
  • Duplex Steel S32205 Ferrule Fitting Supplier
  • Alloy 2507 Port Connector
  • Alloy 2205 Tube to Male Branch Tee
  • Duplex S31803 Positionable Male Elbow
  • Duplex Steel S32205 Hex Nipple
  • Duplex Steel S31803 / S32205 Hex Bushing
  • SA479 Duplex Steel S31803 Male Adapter
  • Duplex Steel DIN 1.4462 Female Adapter
  • Duplex Steel S31803 /S32205 Allen Key Plug
  • UNS S31803 /S32205 Instrumentation Pipe Fittings
  • Duplex Steel S31803/ S32205 Tube Cap Fittings
  • Duplex Steel Tylok Instrumentation Fittings
  • S31803 /S32205 Duplex Steel Union Joint Ball
  • Duplex S32205 Two Ferrule Compression Fitting
  • Duplex Steel S31803 Ferrule Tube Fittings
  • Duplex 2205 High Pressure Hydraulic Tube Fittings
  • 2205 Duplex Tube to Male Connector
  • 2205 Duplex Tube to Female Elbow
Suppliers and Exporters of Duplex Steel S31803 /S32205 Compression Tube Fittings in Countries Like
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