ASTM A789 Duplex Steel S31803 Seamless Tubes Manufacturer, Supplier

Prudent Stainless Pvt. Ltd. is India's Most Distinguished and pre-eminent stainless steel company which is dealing with manufacturing of value added high end stainless steel products in India.

Table Of Content

About Duplex Steel S31803 Seamless Tubes
Duplex Steel S31803 Seamless Tubes Specification
Duplex Steel S31803 Seamless Tubes Equivalent Grades
Types of Duplex Steel S31803 Seamless Tubes
Chemical Composition of Duplex Steel S31803 Seamless Tubes
Duplex Steel S31803 Seamless Tubes Mechanical Properties
Other Types of Duplex Steel S31803 Seamless Tubes
People Also Search for DSS S31803 Seamless Tubes

Prudent stainless Pvt. Ltd. is one of the established manufacturer, supplier and distributor of Duplex SS S31803 Seamless tube. Our premium value products are manufactured with elite raw materials by collaborating with leading dealers. DUPLEX grade tubes posses high weld-ability, formability and resistance against stress cracking.

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These tubes are known for their stability during moderately high temperature and resistance against pitting, crevice and general corrosion. These types of duplex Seamless tubes have austenitic-ferritic micro structure. The austenitic steels indicate exceptional durability as well as compatibility. Seamless pipes have more potential features than S31803 duplex steel tubes.

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S31803 duplex tubes cannot be hardened by conventional standard heat treatment, though it is a work hardening steel. Duplex can be solution annealed at 1020-1100ºC, water quench.

Few major properties of grade S31803 tubes are excellent machinability, toughness and mechanical properties such as great tensile and imapact strength. This is one of the widely recommended seamless tube type beacuse of their highest immunity power in the entire 300 series. Duplex alloy seamless tubes contain chromium content around 21-23 percent, manganese content around 2 percent and silicon content around 1 percent max in their entire chemical composition. The duplex steel S31803 consists of around 40-50% ferrite in the annealed condition.

Grade

S31803

The versatility of these seamless tubes has enhanced their demanded over the years. The large-scale production has also impacted in reduced cost of Duplex Seamless products.

The duplex alloy consists of around 40-50% ferrite in the annealed condition. Petrochemical, nuclear plants, construction Industry, water industry, brewing industry, pulp and paper industry are some of the major applications of these seamless SS tubes. Prudent stainless Pvt Ltd focuses on fullfilling the needs of industry by providing first-class stainless S31803 seamless tube and highly prominent service for our esteemed customers.

Duplex Steel S31803 Seamless Tubes Specification

Specifications

ASTM A789, A789 / ASME SA789, SA789

Tube Size

1/2" NB - 24" NB

Manufacturing Shapes

Hydraulic, Round, Rectangle, Square, Hex

Outside Diameter

6.00 mm OD up to 914.4 mm OD, Sizes up to 24” NB available Ex-stock, OD Size Steel Tubes available Ex-stock

Tube Schedule Thickness Range

SCH 5, SCH10, SCH 40, SCH 80, SCH 80S, SCH 160, SCH XXS, SCH XS

Tubes End Types

Plain End, Beveled End, Treaded One End, TBE (Treaded Both Ends)

ASME SA 213 Equivalent Grades of Duplex Steel S31803 Seamless Tubes

STANDARD	WERKSTOFF NR.	UNS
Duplex S31803	1.4462	S31803

Types Of Duplex Steel S31803 Seamless Tubes

Seamless Rectangular Tube

Duplex Steel 1.4462 Rectangular Seamless Tubes Manufacturer
Duplex Stainless Steel 1.4462 Seamless Rectangular Tubes Exporter
UNS S31803 Rectangular Seamless Tubes Supplier
Duplex 1.4462 Seamless Rectangular Tube
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Duplex Steel S31803 Rectangular Seamless Tubes
DSS S31803 Seamless Rectangular Tube Stockholder
UNS S31803 Seamless Rectangular Tubes Stockist
Duplex UNS S31803 Seamless Rectangular Tubes in Mumbai, India
ASTM A789 Duplex Steel S31803 Seamless Rectangular Tube

S31803 Duplex Steel Seamless Tube Chemical Composition

Grade	C	Mn	Si	P	S	Cr	Mo	Ni	N	Fe
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

S31803 Duplex Steel Seamless Tubes Mechanical Properties

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

Duplex Steel S31803 Seamless Tube Physical Properties

Grade	Density (kg/m3)	Elastic Modulus (GPa)	Mean Coefficient of Thermal Expansion (m/m/0C)			Thermal Conductivity (W/m.K)		Specific Heat 0-1000C (J/kg.K)	Electrical Resistivity (n.m)
			0-1000C	0-3150C	0-5380C	at 1000C	at 5000C
S31803	8000	193	17.2	17.8	18.4	16.2	21.5	500	720

S31803 Duplex Steel Seamless Tubes Size Chart

ASTM A789 DSS S31803 Tubes	WT mm	in.	Sch	Kg/m
13.72	1.65	1/4	10S	0.50
13.72	2.24	1/4	40S	0.64
13.72	3.02	1/4	80S	0.81
17.15	1.65	3/8	10S	0.64
17.15	2.31	3/8	40S	0.86
17.15	3.20	3/8	80S	1.12
21.34	2.11	1/2	10S	1.02
21.34	2.77	1/2	40S	1.29
21.34	3.73	1/2	80S	1.65
26.67	2.11	3/4	10S	1.30
26.67	2.87	3/4	40S	1.71
26.67	3.91	3/4	80S	2.23
33.40	2.77	1	10S	2.13
33.40	3.38	1	40S	2.54
33.40	4.55	1	80S	3.29
33.40	6.352)	1	160	4.30
42.16	2.77	1¼	10S	2.73
42.16	3.56	1¼	40S	3.44
42.16	4.85	1¼	80S	4.53
42.16	6.352)	1¼	160	5.69
48.26	2.77	1½	10S	3.16
48.26	3.68	1½	40S	4.11
48.26	5.08	1½	80S	5.49
60.33	2.77	2	10S	3.99
60.33	3.91	2	40S	5.52
60.33	5.54	2	80S	7.60
60.33	8.742)	2	160	11.29
73.03	3.05	2½	10S	5.35
73.03	5.16	2½	40S	8.77
73.03	7.01	2½	80S	11.59
88.90	3.05	3	10S	6.56
88.90	5.49	3	40S	11.47
88.90	7.62	3	80S	15.51
88.90	11.132)	3	160	21.67
101.60	3.05	3½	10S	7.53
101.60	5.74	3½	40S	13.78
101.60	8.08	3½	80S	18.92
114.30	3.05	4	10S	8.50
114.30	6.02	4	40S	16.32
114.30	8.56	4	80S	22.67
114.30	13.492)	4	160	34.05
141.30	6.55	5	40S	22.10
141.30	9.53	5	80S	31.44
141.30	15.882)	5	160	49.87
168.28	3.4	6	10S	14.04
168.28	7.11	6	40S	28.69
168.28	10.97	6	80S	43.21
168.28	14.27	6	120	54.75
168.28	18.262)	6	160	68.59
219.08	8.18	8	40S	43.20
219.08	12.7	8	80S	65.63
219.08	18.23	8	120	91.30
219.08	23.012)	8	160	112.97

S31803 Duplex Steel Seamless Tube Schedule Chart

NB SIZES	SCH 5	SCH 10	SCH 40	SCH 80	SCH 160
1/8″
1/4″
3/8″
1/2″
3/4″
1″
1 1/4″
1 1/2″
2″
2 1/2″
3″
4″
5″
6″

S31803 Duplex Steel Seamless Tube Stock

Product Description	Outside Diamter, OD (in mm)	Wall Thickness, WT (in mm)
S31803 Duplex Steel Seamless Round Tube	6mm – 630mm	0.5mm-30mm
S31803 Duplex Steel Seamless Square Tube	12.7mm* 12.7mm to 300mm* 300mm	0.5mm-30mm
S31803 Duplex Steel Seamless Rectangular Tube	1020mm to 100200mm	0.5mm-30mm
S31803 Duplex Steel Seamless Colour Coated Tube	6mm to 630mm	0.5mm-30mm
S31803 Duplex Steel Electropolished Seamless Tube	12.7mm to 250mm	0.5mm-30mm
S31803 Duplex Steel Seamless Triangle Tube	16mm to 85mm	0.5mm-3.0mm
S31803 Duplex Steel Hexagonal Seamless Tube	13mm to 85mm	0.5mm-2.0mm
S31803 Duplex Steel U Shaped Seamless Tube	20mm to 200mm	0.5mm-2.0mm
S31803 Thin-Wall Duplex Steel Seamless Tube	22mm0.7mm to 108mm2.0mm	0.5mm-2.0mm
S31803 Inner/Outside Polished Duplex Steel Seamless Tube	12.5mm to 203.2mm	1.0mm – 5mm
S31803 Duplex Steel Seamless Capillary Tube	0.28mm to 10mm	0.08mm – 1.2mm
S31803 Duplex Steel Seamless Tube	6mm to 430mm	0.8mm – 30mm

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Application Industries for High Quality DSS S31803 Seamless Tubes

Duplex Steel S31803 Seamless Tubes Energy Industry
DSS S31803 Seamless Tubes Food Processing Industry
Duplex Steel S31803 Seamless Tubes Power Plant Industry
DSS S31803 Seamless Tubes Shipbuilding Industries
Duplex S31803 Seamless Tubes in Oil & Gas Industrires
Duplex Steel S31803 Seamless Tubes In Offshore Tubelines & Tube Works
DSS S31803 Seamless Tubes Petrochemical Industry
Duplex S31803 Seamless Tubes Hydraulic Applications
Duplex Steel S31803 Seamless Tubes Chemical Industries
DSS S31803 Seamless Tubes in Tubing Systems
Duplex Steel S31803 Seamless Tubes Refining Industry
DSS S31803 Seamless Tubes Pulp & Paper Indusry
Duplex Steel S31803 Seamless Tubes Construction Industries

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Duplex Steel S31803 Seamless Tube Manufacturer

Duplex Steel S31803 Seamless Tubes Specification

Specifications

Tube Size

Manufacturing Shapes

Outside Diameter

Tube Schedule Thickness Range

Tubes End Types

ASME SA 213 Equivalent Grades of Duplex Steel S31803 Seamless Tubes

Types Of Duplex Steel S31803 Seamless Tubes

Seamless Round Tube

Seamless Square Tubes

Seamless Rectangular Tube

Seamless Polished Tube

Seamless U Shaped Tube

Seamless Thik Wall Tube