Duplex S31803 Seamless pipe

duplex-x31803-pipe

Duplex S31803 Seamless Pipe, 1.4462 Pipes, Duplex S31803 Industrial Pipes, Duplex S31803 ERW Pipes

Bhawal Steel Agency is one of the most astonishing manufacturers, suppliers, and exporters of steel and metal products. Bhawal Steel Agency is very famous for its manufacturing of Duplex S31803 pipes. These pipes are highly demanded in all types of industries. These pipes are highly ductile and strong. These duplex S31803 pipes are commonly used for transferring acids, liquids and gases from one place to another. These pipes are heavily alloyed and enriched with amazing properties. These pipes are made of an extraordinary combination of elements that includes manganese, chromium, carbon, molybdenum, nickel, phosphorus, etc. Duplex S31803 pipes also include a high amount of ferritic and austenitic steels. The bifurcation of elements includes at least 22% chromium, 5-6% of nickel and 3% molybdenum, etc. The combination of these extraordinary elements makes the grade extra strong and hard.

Bhawal Steel Agency provides these pipes in various sizes, shapes and dimensions. Duplex S31803 pipes are available in various forms. These pipes are highly durable and they do not get affected by any chemical reactions. Duplex S31803 pipes are made for high heat and pressure applications. Duplex S31803 pipes welded and they have excellent forming capacity. 

Duplex S31803 pipes are highly durable and hence they are applicable in industries like pharmaceutical, petrochemicals, pulp and paper manufacturing industries, etc. Duplex S31803 provides excellent protection from chemical reactions such as erosion, reduction and rusting. It also provides excellent resistance from corrosion, crevice corrosion and stress cracking which occurs above 60°C. These duplex pipes are enriched with excellent chemical and mechanical properties.

Bhawal Steel Agency provides these pipes at a very nominal price. These pipes are obtainable at a very nominal price. Bhawal Steel Agency always makes sure that every product that’s been manufactured is thoroughly tested and certified. We also make sure that our every product is strong and durable. 

Specification of Duplex S31803 Seamless Pipe

Standard ASTM A790 / ASME SA790 UNS S31803, S32205, S32550, S32750, S32760
Materials ASTM A815 – UNS S31803
Size 1/2"NB TO 12 "NB IN
Seamless Pipes & Tubes Sizes 1/2” NB - 8” NB
Welded Pipes & Tubes Sizes 6” NB - 24” NB
Thickness 0.5-45mm
Outer Diameter 6.0-630mm
Dimensions OD(6.0-630)*WT(0.5-45)mm
Schedule SCH20, SCH30, SCH40, STD, SCH80
Type Welded / Fabricated / Seamless
Length Single Random, Double Random & Cut Length.

 

Chemical Composition S31803 Pipe

Ni Cr Mo Mn Si C N S P Fe  
MIN 4.5 22.0 3.0 - - - 0.14 - - -
MAX 6.5 23.0 3.5 2.0 1.0 0.03 0.2 0.02 0.03 Balance

 

Duplex S31803 Pipe Mechanical Properties

S31803 / S32205 Density Melting Point Yield Strength (0.2%Offset) Tensile Strength Elongation
7.8 g/cm3 1350 °C (2460 °F) Psi – 80000 , MPa – 550 Psi – 116000 , MPa – 800 15 %

 

Equivalent Grades for S31803 Duplex Stainless Steel Pipe

STANDARD UNS WERKSTOFF NR.
Duplex S31803 S31803 1.4462

 

Dimensional Tolerance

Nominal pipe size
up to 4 = ± 0.79 mm | 5 thru 8 = + 1.58 mm / - 0.79 mm
10 thru 18 = + 2.37 mm / - 0.79 mm | 20 thru 24 = + 3.18 mm / - 0.79 mm
Wall Thickness
All Diameters = - 12.5%
+ tolerance not specified
Length
+ 6.40 mm / - 0 mm
Weight
Weight = + 10% / - 1.5%

 

 

UNS S31803 Duplex Steel Pipe Size Chart

Wall Sizes ( O.D.)
.010 1/16" , 1/8" , 3/16"
.020 1/16" , 1/8" , 3/16" , 1/4" , 5/16" , 3/8"
.012 1/8"
.016 1/8" , 3/16"
.028 1/8" , 3/16" , 1/4" , 5/16" , 3/8" , 1/2" , 3/4" , 1" , 1 1/2" , 2"
.035 1/8" , 3/16" , 1/4" , 5/16" , 3/8" , 7/16" , 1/2" , 16" , 5/8" , 3/4" , 7/8" , 1" , 1 1/4" , 1 1/2" , 1 5/8" , 2" , 2 1/4"
.049 3/16" , 1/4" , 5/16" , 3/8" , 1/2" , 16" , 5/8" , 3/4" , 7/8" , 1" , 1 1/8" , 1 1/4" , 1 1/2" , 1 5/8" , 2" , 2 1/4"
.065 1/4" , 5/16" , 3/8" , 1/2" , 16" , 5/8" , 3/4" , 7/8" , 1" , 1 1/4" , 1 1/2" , 1 5/8" , 1 3/4" , 2" , 2 1/2" , 3"
.083 1/4" , 3/8" , 1/2" , 5/8" , 3/4" , 7/8" , 1" , 1 1/4" , 1 1/2" , 1 5/8" , 1 7/8" , 2" , 2 1/2" ,3"
.095 1/2" , 5/8" , 1" , 1 1/4" , 1 1/2" , 2"
.109 1/2" , 3/4" , 1" , 1 1/4" , 1 1/2" , 2"
.120 1/2" , 5/8" , 3/4" , 7/8" , 1" , 1 1/4" , 1 1/2" , 2" , 2 1/4" , 2 1/2" , 3"
.125 3/4" , 1" , 1 1/4" , 1 1/2" , 2" , 3" , 3 1/4"
.134 1"
.250 3"
.375 3 1/2"

 

Duplex Steel UNS S31803 Pipe Pressure Rating

Tube O.D.
(in.)
Wall Thickness of Tube (inches)
.028 .035 .049 .065 .083 .095 .109 .120
Working Pressure (psig)
1/8 7900 10100            
1/4 3700 4800 7000 9500        
5/16   3700 5400 7300        
3/8   3100 4400 6100        
1/2   2300 3200 4400        
3/4     2200 3000 4000 4600    
1       2200 2900 3400 3900 4300

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