Duplex Stainless Steel UNS S31803 Pipes & Tubes Supplier

Lakshya Steel is a top supplier of Duplex Steel UNS S31803 Pipes & Tubes. We offer a wide selection of high-quality duplex stainless steel products in different grades, sizes, and thicknesses to meet various industrial needs. Our Duplex SS UNS S31803 pipes and tubes are commonly used in oil refineries, chemical plants, power plants, industrial machinery, and the cement industry.

Our Duplex Stainless UNS S31803 Pipes & Tubes are known for their smooth finish, durability, precise dimensions, and excellent corrosion resistance. We provide both standard and custom sizes, including Duplex S31803 Round Pipes, Square Pipes/Tubes, Rectangular Pipes/Tubes, and Coil Tubes, all at competitive prices. Contact us to get the best deals on Duplex SS Pipes & Tubes.

Duplex Steel UNS S31803 Pipes & Tubes Specifications

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 of Duplex SS UNS S31803 Tubes

Element	Min	Max
C	–	1.0
N	–	0.03
P	–	0.02
Si	–	2.0
Mn	3.0	3.5
Mo	22.0	23.0
Fe	–	0.03
cr	4.5	6.5
s	0.14	0.2

Mechanical Properties for Duplex Steel S31803 Pipes

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

Equivalent Grades of Duplex UNS S31803 Pipes & Tubes

STANDARD	UNS	WERKSTOFF NR.
Duplex S31803	S31803	1.4462

Duplex Steel Pipe Size Chart for UNS S31803

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″

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Duplex SS UNS S31803 Pipes & Tubes Pressure Rating

	.028	.035	.049	.065	.083	.095	.109	.120
Tube O.D. (in.)	Wall Thickness of Tube (inches)
	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

Weight Chart of Duplex Steel UNS S31803 Pipes

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FAQ’s

What is the price range of Duplex Steel UNS S31803 Pipes & Tubes?

Prices vary based on specifications and market conditions. Contact us Lakshya Steel for the most competitive pricing.

What are the key benefits of using Duplex SS UNS S31803 Pipes & Tubes?

These duplex steel S31803 pipes and tubes are appreciated for their smooth finishing, durability, dimensional accuracy, and excellent corrosion resistance.

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UNS S31803 Duplex Stainless Steel Pipes & Tubes

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