Technical procurement data

Standards, supply and inspection

Duplex Steel S31803 Pipe Tube is supplied as a pipe or tube within the duplex stainless steel products family. A reliable enquiry identifies the exact designation, governing standard, dimensions, condition, inspection scope and documentation before quotation.

Material / grade	S31803
Product form	Pipe or tube
Standards and order reference	ASTM A789, A790 / ASME SA789, SA790
Dimensions and tolerances	State the required section or diameter, wall or thickness, length, tolerance, straightness or flatness, edge/end condition and machining allowance.
Surface and supply condition	Solution-annealed and pickled, machined, ground or polished condition is specified together with any surface-cleanliness requirement.
Inspection options	The inspection plan may include material identification, chemistry and mechanical-property review, dimensional and visual inspection, plus hydrostatic, eddy-current or ultrasonic testing when required by the governing specification.
MTC and traceability	Specify EN 10204 3.1 MTC or the required certificate type, heat/lot traceability, inspection reports, marking, packing list and any third-party release before order confirmation.
Typical applications	Typical enquiries cover process piping, heat exchangers, instrumentation and mechanical assemblies; pressure duty and inspection class must be stated.
RFQ checklist	Send the pipe or tube grade and standard, required dimensions and tolerance, quantity, surface/condition, inspection and certificate requirements, packing preference and delivery destination.

Final compliance is defined by the purchase order, approved drawing and issued mill documentation. Availability is confirmed for each grade, size and production route.

Duplex Steel S31803 Pipe Tube

Request Duplex Steel S31803 Pipe Tube with the required standard, dimensions, tolerance, finish, inspection and mill test certificates from SAKY METAL.

Standards : ASTM A789, A790 / ASME SA789, SA790
Grades : S31803
Length : 5.8M,6M & Required Length
Techniques : Hot-rolled, cold-drawn

Specifications
Relevant Standards
Chemical Composition
Mechanical Properties
Specifications

Standards	ASTM A789, A790 / ASME SA789, SA790
Grades	S31803
Outside Diameter	6.00 mm OD up to 914.4 mm OD
Length	5.8M,6M & Required Length
Schedule	SCH20, SCH30, SCH40, STD, SCH80, XS, SCH60, SCH80, SCH120, SCH140, SCH160, XXS
Thickness	0.3mm – 50 mm
Technique	Hot-rolled, cold-drawn

Relevant Standards

STANDARD	UNS	WERKSTOFF NR.
S31803	S31803	1.4462

Chemical Composition

Grade	C	Mn	P	S	Si	Cr	Mo	N	Cu	Ni
S31803	≤0.03	≤2.0	≤0.03	≤0.02	≤1.0	21.0-23.0	2.5-3.5	0.08-0.2	–	4.5-6.5

Mechanical Properties

Tensile Strength	Density(g/cm 3)	Melting Point(°C)
Psi – 75000 , MPa – 515	7.805 g/cm3	1420-1465

Features & Benefits

High Strength: Duplex Steel S31803 has excellent strength and toughness properties, making it suitable for use in high-pressure and high-stress applications.

Corrosion Resistance: The Duplex Steel S31803 Pipe Tube has excellent corrosion resistance properties, making it suitable for use in aggressive environments such as the chemical, petrochemical, and marine industries.

High Temperature Resistance: Duplex Steel S31803 Pipe Tube is highly resistant to high-temperature environments, making it suitable for use in heat exchangers, boilers, and other high-temperature applications.

Good Weldability: Duplex Steel S31803 Pipe Tube has excellent weldability and can be easily welded using standard welding techniques.

Cost-Effective: Despite its superior properties, Duplex Steel S31803 Pipe Tube is a cost-effective alternative to other high-performance alloys, making it suitable for use in projects where cost is a significant factor.

Part of Our Clients

Why Choose Us?

You can get the perfect material according to your requirement at the least possible price.

We also offer Reworks, FOB, CFR, CIF, and door to door delivery prices. We suggest you to do deal for shipping which will be quite economical.

The materials we provide are completely verifiable, right from raw material test certificate to the final dimensional statement.(Reports will show on requirement)

We guarantee to give a response within 24hours(usually in the same hour)

Provide SGS TUV report.

We are fully dedicated to our customers. If it will not possible to meet your requirements after examining all options, we will not mislead you by making false promises which will create good customer relations.

Provide one-stop service.

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Duplex Steel Pipe Tube have several notable advantages, making them favored in various applications.

Packaging

1. Packing is quite important especially in a case of international shipments in which consignment pass through various channels to reach the ultimate destination, so we put special concern regarding packaging.
2. SAKY METAL packages every order in numerous ways based on the products. We pack our products in multiple ways, such as,

Duplex Steel S31803 Pipe Tube product view 11

Our Services

Cutting and Processing Services

Offering customized cutting and processing services to produce metal products that meet specific size and shape requirements.

Heat Treatment

Providing heat-treatment support for applicable metal products when hardness, strength, or other properties need to be adjusted.

Quality Control and Inspection

Implementing strict quality control and inspection processes to ensure that metal products meet relevant standards and customer requirements.

Get a Quote

Please fill in the form below to get a quotation for your project. Moreover, you can get more discount on your first order.

The price is affected by many factors, such as size, quantities, materials, etc., so please provide us with as much project information as possible. In this way, we can offer you the most accurate price shortly.

For more information, tailored products and solutions or any other requirements, you are also welcome to directly get in touch with us via WhatsApp or Email. (Tel/ WhatsApp : +8613764965049 Email: sales@sakymetal.com)