Duplex UNS S31803 Pipe Fittings

UNS S31803 Pipe Fittings, DIN 1.4462 Fittings

We are Manufacturer, Exporter & Supplier of Duplex Steel S31803 Butt Weld Pipe Fittings, which is manufactured at par with the international quality standards making use of high-grade steel. Duplex Steel S31803 Elbow Pipe Fittings is stainless steel is a stainless steel whose design enables combining improved resistance to pitting, high strength, stress corrosion, crevice corrosion and cracking. Duplex Steel S31803 Tee Butt Weld Pipe Fittings are commonly used in the chemical process industry, including sulphuric acid production, nitric acid processes, phosphoric acid processes, ethylene oxide, polypropylene production, PVC, equipment handling organic and fatty acids, chemical storage and tankers, heat exchangers, and so on. UNS NO S31803 Butt Weld Pipe Fittings are constructed from high-quality standard raw materials and designed to meet national and international standards.

Welding Duplex Steel UNS NO S31803 Butt Weld Fittings (also known as WNR 1.4462 Butt Weld Pipe Fittings) appears simple if the only need is that they pass the ASME code, but careful consideration of the weld mixture and proper handling are required to ensure successful corrosion resistance. We can provide a wide selection of materials, including Duplex Steel S31803 Buttweld Pipe Elbows, Duplex Steel S31803 Buttweld Pipe Tee, and Duplex Steel S31803 Buttweld Pipe Cross, from stock to meet your requirements.

Specification Chart of Duplex Steel S31803 Pipe Fittings

Specifications ASTM A815 / ASME SA815
Pipe Fittings size Seamless Duplex Steel Butt Weld Fittings: 1/2" - 10"
Welded Duplex Steel Butt Weld Fittings: 1/2" - 48"
Pipe Fittings Dimensions ASME/ANSI B16.9, ASME B16.28, MSS-SP-43, BS4504, BS4504, BS1560, BS10
ASME 16.11, MSS SP-79, 83, 95, 97, BS 3799
Pipe Fittings Thickness SCH10, SCH20, SCH30, STD SCH40, SCH60, XS, SCH 80, SCH 100, SCH 120, SCH 140, SCH 160, XXS available with NACE MR 01-75
Pipe fittings Types Seamless / ERW / Welded / Fabricated
Manufacturing Standards ASME/ANSI B16.9, ASME B16.28, MSS-SP-43
DIN : DIN2605, DIN2615, DIN2616, DIN2617, DIN28011, DN15-DN1200
BS : BS4504, BS4504, BS1560, BS10
JIS : JIS B2311, JIS B2312, JIS B2313, JIS B2316
GOST : GOST 17375, GOST 17376, GOST 30753, GOST 17378, GOST 17379, GOST 17380
EN: EN10253-1, EN10253-2
Bending Radius R=1D, 2D, 3D, 5D, 6D, 8D, 10D or Custom
Connection Welding
Pipe Fittings Elbow Angle : 22.5 deg, 30deg, 45 deg, 90 deg, 180 deg, 1.0D, 1.5D, 2.0D, 2.5D, 3D, 4D, 5D, 6D, 7D-40D.
Standard: ASME B16.9, ASME B16.28, ASME B16.25, MSS SP-75 DIN2605 JISB2311 JISB2312 JISB2313, BS, GB, ISO
Pipe Fittings Size Range ½" NB to 24" NB in Sch 10s, 40s, 80s, 160s, XXS. (DN6~DN100)
Pipe Fittings Manufacturing process Push, Press, Forge, Cast, etc.
Buttweld Fittings Test Certificates EN 10204/3.1B
Raw Materials Certificate
100% Radiography Test Report
Third Party Inspection Report, etc
Specialized manufacturer of 90º Elbows, Couplings, Reducers, Inserts, Caps, Nipples, 45º Elbows, Tees, Crosses, Equal Tees & Reducing Tees
Pipe Fittings uses & application
  • Fittings To Connect Pipe & Tubes in Petroleum, Power, Chemical, Construction, Gas, Metallurgy, Shipbuilding etc
  • Schedule 10 Duplex Steel S31803/S32205 fittings are an economical alternative for lower-pressure applications.
  • Schedule 40 Steel S31803/S32205 fittings have a thicker wall for higher-pressure applications.
Material Test Certificates (MTC) for Duplex Steel S31803/S32205 Pipe Fittings as per EN 10204 3.1 and EN 10204 3.2, Test Certificates certifying NACE MR0103, NACE MR0175

Equivalent Grades

STANDARD WERKSTOFF NR. UNS
Duplex Steel S31803 1.4462 S31803

Chemical Composition

Grade C Mn Si P S Cr Mo Ni N
Duplex Steel S31803 0.030 max 2.0 max 1.0 max 0.030 max 0.020 max 22.0 – 23.0 3.0 – 3.5 4.50 – 6.50 0.14 – 0.20

Mechanical Properties

Density (g/cm 3) Density (lb/in 3) Melting Point (°C) Melting Point (°F)
7.805 0.285 1420 – 1465 2588 – 2669