UNS S31803 forged fittings

UNS S31803 forged fittings

UNS S31803 material can be described as a duplex stainless steel that has 50-50 austenite and ferrite microstructure. The UNS S31803 forged fittings have great corrosion resisting properties; it is one of the alloys which is work hardenable. The duplex uns s31803 has high weldability and it is used in industries like pulp and paper for processing equipment. They are also used in evaporators, boilers, heat exchangers, etc. The duplex ss uns s31803 forged fitting is also used in oil and gas refining industries. The duplex steel S31803 undergoes several tests before they are supplied to the customers. It includes mechanical testing like flattening test, pitting resistance test, intergranular corrosion test, etc.

To save cost, purchase directly from DSS S31803 socket weld elbow manufacturers in the UAE.

ASTM A182 UNS S31803 socket weld fittings specification


Uns s31803 forged fittings specification

SA182F51 socket weld fitting sizes American / ASTM standard ASTM A182 UNS S31803 SW Fittings meet standard
  • Class 3000 : ½ – 4″
  • Class 6000/ 9000: ½ – 2″
  • DN6~DN100
  • ASTM A182 F51 (Forging)
  • ASTM A276 UNS S31803 (Bar stock)
  • ASTM A479 UNS S31803 (Bar stock)
  • MSS SP-79
  • MSS SP-95
  • MSS SP-83
  • MSS SP-95
  • MSS SP-97
  • BS 3799
A182 F51 Duplex Socket weld fittings type ASTM A182 gr F51 SW fittings ASME standard UNS S31803 F51 socket weld fittings pressure class
  • SA182 F51 socket weld tee
  • F51 Duplex socket weld elbow
  • UNS S31803 socket weld coupling
  • F51 duplex stainless steel socket weld half coupling
  • ASTM A182 Grade F51 socket weld cap
  • A182 F51 Duplex socket weld cross
  • ASME B16.11
  • Class 3000
  • Class 6000
  • Class 9000
Pipe schedule for F51 Duplex socket weld fittings Quality & Test certificates Origin of material
  • Class 3000 : SCH 80 / XS
  • Class 6000: SCH 160
  • Class 9000: SCH XXS
  • EN 10204/3.1B
  • 100% Radiography Test Report
  • NACE MR0103
  • NACE MR0175
  • West Europe
  • Japan
  • Indian
  • USA
  • Korean

Need custom sizes? Contact above top 10 ASTM A182F51 SW fittings suppliers & manufacturers for best price

F51 duplex steel socket weld fittings dimensions

Choosing the right supplier is crucial while buying UNS S31803 duplex stainless steel threaded fittings for high-pressure applications.

UNS S31803 threaded fittings specification

A182 UNS S31803 threaded fittings sizes ASTM standard for F51 duplex steel threaded pipe fitting ASTM A182 gr F51 elbow meet standard
  • Class 2000 : ½ – 4″
  • Class 3000/ 6000: ½ – 2″
  • DN6~DN100
  • ASTM A182 F51 threaded adapter: 1/8″ – 4″
  • ASTM A182 F51 (Forging)
  • ASTM A276 UNS S31803 (Bar stock)
  • ASTM A479 UNS S31803 (Bar stock)
  • BS 3799
  • MSS SP-79
  • MSS SP-95
  • MSS SP-83
  • MSS SP-97
  • MSS SP-95
ASTM A182 F51 threaded fittings type UNS S31803 threaded pipe fittings ASME standard F51 duplex stainless steel screwed fittings pressure class
  • A182 UNS S31803 threaded elbow
  • ASTM A182 S31803 threaded tee
  • A182 F51 Duplex swage nipples
  • F51 duplex steel threaded coupling
  • A182 F51 threaded half coupling
  • A182 gr F51 bull plugs
  • F51 Duplex threaded cap
  • ASTM A182 F51 threaded cross
  • ASME B16.11
  • Class 2000 LBS
  • Class 3000 LBS
  • Class 6000 LBS
Pipe schedule for ASTM A182 S31803 threaded fittings SA182F51 NPT threaded fittings F51 Duplex threaded pipe fittings dimensions
  • Class 2000 : SCH 80 / XS
  • Class 3000: SCH 160
  • Class 6000: SCH XXS
  • ASME B1.20.1

Types of F51 Duplex forged fittings

ASTM A182 gr F51 Hex reducing bushing UNS S31803 F51 Street elbow
Socket weld union A182 gr F51 Threaded reducer
ASTM A182 S31803 Barrel nipples Threaded half coupling
Forged Fittings Threaded union
Threaded cap A182 F51 degree socket weld elbow
A182 F51 Duplex Expansion adapters Threaded full coupling
ASTM A182 F51 UNS S31803 Boss Mechanical joint adapters
F51 Duplex Socket weld tee F51 duplex stainless steel Hexagon nipple
Female threaded reducer Socket weld concentric reducer
F51 duplex steel Half coupling ASTM A182 gr F51 Swage nipple
UNS S31803 F51 Concentric Swage Nipple F51 Duplex 90 degree threaded elbow
Threaded Union Female-Female ASTM A182 Grade F51 Hex bushing
ASTM A182 UNS S31803 Diverter tee Reducer Insert
SA182 F51 45 degree threaded elbow ASTM A182 F51 UNS S31803 Bull plug
1.4462 f51 Male threaded reducer A182 F51 45 degree socket weld elbow
Threaded tee F51 duplex stainless steel NPT elbow
Threaded Union Female Male A182 gr F51 Hex bull plug
SA182F51 BSP threaded fittings Threaded cross
A182 F51 Duplex Hex plug A182 UNS S31803 Reducing coupling
F51 duplex stainless steel Socket weld cross A182 F51 duplex stainless steel Lateral tee
UNS S31803 F51 Eccentric Swage Nipple F51 duplex steel NPT tee
Square head plug Full coupling
Socket weld cap NPT threaded fittings

Threads of A182 gr F51 threaded fittings

  • NPT (ANSI B1.20.1)
  • NPTF (ANSI B1.20.3)
  • BSP (ISO 228)
  • BSPP (ISO 228-1)
  • BSPT (DIN 2999)
  • UNF (ASME B1.1)
  • UNC (ANSI B1.1)

ASTM A182 gr F51 forged fittings chemical composition

Carbon 0-0.03
Phosphorous 0-0.03
Nickel 4.50-6.50
Nitrogen 0.08-0.20
Manganese ≤2.00
Silicon ≤1.00
Molybdenum 2.50-3.50
Chromium 21.00-23.00
Sulphur 0-0.02
Iron Balance

ASTM A182 UNS S31803 fittings mechanical properties

Yield Strength,min. Tensile Strength,min. Hardness Brinell, max Elongation,min.
450 Mpa 620 Mpa 290 HB 25 %

Uns s31803 forged fittings material

ASTM A182 gr F51 elbow physical properties

Density Thermal Expansion Modulus of Elasticity Thermal Conductivity Electrical Resistivity
7.805 g/cm3 13.7*10-6 K 200 Gpa 19.0 W/m.k 0.085*10-6 Ω.m

F51 duplex steel socket weld fittings welding

  • GTAW
  • GMAW
  • Plasma
  • SMAW

View the most recent pricing for duplex steel S31803 threaded bushing and SS UNS S31803 socket weld union/tee in the Middle East.

The UNS s31803 duplex stainless steel threaded fittings are connected with the pipe by the help of internal and external threads. In most cases, their dimensions should not be more than 4 inches. Threaded fittings are sealed with teflon tape to avoid leakages.

The DSS S31803 socket weld elbow can be reused by using the chips from the steel by powder metallurgy with the addition of vanadium carbide.

Multiple thread sizes are available for DSS S31803 threaded coupling/ cap in accordance with ASME B16.11 standard to achieve a tight seal.

The forged ss uns s31803 socket weld union is widely used in marine tools and equipment, chemical industries, water desalination plants, food sectors, and many more.

Pick from a select group of reputable duplex steel S31803 sw plug importers in Dubai who offer UNS S31803 threaded cross with complete test results and MTC.

The machining service helps to convert the forged DSS S31803 threaded coupling into a fully finished product which is ready for assembling.

UNS S31803 forged fittings dimensions


Uns s31803 forged fittings dimensions