Duplex S31803 Seamless 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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