ASTM UNS S31803 Reducers

Manufacturer of SA815 Duplex Steel S31803 Pipe Reducer in India

Our company, Nitron Alloys Overseas, is a famous manufacturer, seller, distributor, and stockiest known for Duplex Steel Reducer UNS S31803. We are offering these products, i.e., Duplex Steel Reducer UNS S31803, by using high-class raw materials and grades. Further, we produce them based on the requirements of our esteemed client. Our product is one of the best-selling and most demanded products from our company’s stock. Product has many features, such as dimensional accuracy and superior finishing. For obtaining the desired quality product, we perform numerous quality tests.


Our fundamental aim is to maintain the quality of these Duplex Steel Reducer UNS S31803 before providing them to our clients. Our reducer is widely appreciated globally because of excellent resistance to corrosion capacity. We retain the test reports to show clients if required.

Nitron Alloys Overseas is well known for our quality and quantity standards in the market across the globe. Our experts work by focusing on the production of the customer-oriented product for our clients. We provide our customers with the best-selling, best quality standards of Duplex Reducer UNS S3103 all over the world. Our company offers the best quality of reducer with all the services to our customers. We satisfy our customers by providing reducers with excellent corrosion resistance, pitting resistance, and crevice resistance. For the manufacturing of such exclusive featured products, we follow national and international standards. Our team of experts monitors every stage of production for quality and error-free products. They ensure quality by referring to national and international standards.


We, Nitron Alloys Overseas, aim to supply the absolute quality of Duplex Stainless Steel Reducer UNS S31803 as per the customer requirements. We are offering all the other industrial solutions also if needed. Our company, Nitron Alloys Overseas, provides the perfect quality of Duplex Steel Reducer UNS S31803 with all the benefits to our beloved customers. We produce a massive amount of this reducer and store it in our inventory for immediate supply, but as we produce larger by using the superior quality of raw materials. We use to pack our reducer at the end to provide safe and damage-free delivery to the clients.



Specification of Duplex Steel S31803 Reducers

Spec bag
Buttweld Reducer

Specifications: ASTM A815 / ASME SA815

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

Reducers Range :1/8" - 48"

Type : Seamless / ERW / Welded / Fabricated

Thickness : Schedule 5S, 10S, 20S, S10, S20, S30, STD, 40S, S40, S60, XS, 80S, S80, S100, S120, S140, S160, XXS and etc.

Form : Concentric Reducer, Pipe Reducer, Pipe Concentric Reducers, Fitting Concentric Reducers..

Types of Duplex Steel S31803 Reducers

Duplex Steel S31803 Concentric Reducer

Duplex Steel Concentric Reducer

Duplex Steel S31803 Eccentric Reducer

Duplex Steel Eccentric Reducer

Equivalent Grades for Duplex Steel S31803 Reducers

STANDARD WNR. UNS
Duplex S31803 1.4462 S31803

Duplex Steel S31803 Reducers Chemical Composition

Grade C Mn Si P S Cr Mo Ni N Ni
S31803 0.030 max 2.00 max 1.00 max 0.030 max 0.020 max 22.0 – 23.0 3.0 – 3.5 4.50 – 6.50 0.14 – 0.20 63.72 min

Mechanical Properties of Duplex Steel S31803 Reducers

Grades Density (g/cm 3) Density (lb/in 3) Melting Point (°C) Melting Point (°F)
S31803 7.805 0.285 1420 – 1465 2588 – 2669