MBM Tubes are vendors of Duplex metal UNSS31803 Welded Tubes primarily based in Mumbai. We have a stock in which we produce the best of products for all our customers.
S31803 Heat Exchanger Tubes and U-Tubes like weldability, resistance to chloride pitting, sulphide stress corrosion resistance, workability, corrosion resistance and stress-corrosion cracking resistance. These Heat Exchanger Tubes can be used for applications in high temperature and pressure areas effectively. U-Tubes come with flow baffles or tube sheets and are welded or bolted to tube sheets. These tubes combine the properties of austenitic and ferritic steel types giving amazing outcomes. These Heat exchanger tubes are used in processing plants, brewing tanks and desalination plants as well.
Our international production standards and quality checks make our products reliable.
Pipe Range : 6.35 Mm OD to 273 Mm OD
Outer Diameter : 9.52 mm O.D to 50.80 mm O.D
Wall Thickness : 0.70 mm to 12.70 mm
Schedules : SCH10S,SCH40S,SCH80S,SCH160S
Length : up to 12 Meters Leg Length & Customed Length
Specifications : ASTM A688 / ASTM SA688 / ASTM A249 / ASTM A789/ ASTM A213 standard for heat exchanger
Types : Heat Exchanger, U Tubes
STANDARD | UNS | WERKSTOFF NR. |
Duplex 2205 | S31803 | 1.4462 |
Duplex | S31803 |
---|---|
Ni | 4.50 – 6.50 |
Fe | 63.72 min |
Cr | 22.0 – 23.0 |
C | 0.030 max |
Si | 1.00 max |
Mn | 2.00 max |
P | 0.030 max |
S | 0.020 max |
N | 0.14 – 0.20 |
Grade | S31803 |
Density (g/cm 3) | 7.805 |
Density (lb/in 3) | 0.285 |
Melting Point (°C) | 1420 – 1465 |
Melting Point (°F) | 2588 – 2669; |
ASME SA789 Duplex Steel S31803 Heat Exchanger & U Tubes
ASTM A789 Duplex Steel S31803 Heat Exchanger & U Tubes
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