Duplex Steel Coils Manufacturer in Jakarta, Indonesia

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Fajar Metals, located in Jakarta, Indonesia, stands out as a leading manufacturer and supplier of Duplex Steel Coils. Renowned for their top-notch quality and durability, Fajar Metals produces duplex steel coils that are specifically designed for tough industrial applications. By employing cutting-edge metallurgical techniques and adhering to strict quality standards, the company guarantees that their coils provide outstanding corrosion resistance and mechanical strength. These duplex coils cater to a variety of industries, including oil & gas, petrochemical, marine, and construction. With a commitment to customer satisfaction and prompt delivery, Fajar Metals has become a reliable partner for both local and international markets in need of dependable stainless steel solutions.

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Duplex Steel Coils from Fajar Metals are typically made from UNS S31803 or S32205 grades. They consist of about 21–23% chromium, 4.5–6.5% nickel, 2.5–3.5% molybdenum, nitrogen, and the remainder being iron. The unique dual-phase (austenitic-ferritic) microstructure offers remarkable corrosion resistance and impressive mechanical strength. Common mechanical properties include tensile strength between 620 to 880 MPa, yield strength around 450 MPa, and an elongation of at least 25%. These coils are resistant to pitting, crevice corrosion, and stress corrosion cracking, making them ideal for challenging environments and high-performance applications.

Duplex Steel Coils Specifications

Standard	ASTM A240 / ASME SA240
Thickness	0.2mm – 5.0mm
Width	3.2mm – 1500mm
Length	AS PER CUSTOMER’S REQUIREMENT
Test Certificate	Yes
Coils Hardness	Half Hard, Quarter Hard, Soft, Hard, Spring Hard
Finish	Hot rolled Coils (HR), Cold rolled Coils (CR), NO.1, 2B, 2D, 2H, 2R, No.4, HAIRLINE, SCOTCH BRITE, SATIN FINISH, NO.8, BA.
Form	Coil / Strip

Duplex Steel Coils Chemical Composition

Grade	C	Mn	Si	P	S	Cr	Mo	Ni	N	Fe
Duplex Steel Coils	0.030 max	2.00 max	1.00 max	0.030 max	0.020 max	21.0 – 23.0	2.50 – 3.50	4.50 – 6.50	0.8 – 0.20	63.54 min

Duplex Steel Coils Mechanical Properties

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

Duplex Steel Coils Physical Properties

Properties	Metric	Imperial
Density	8.8 gm/cm3	0.318 lb/in3

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Largest Manufacturer and Supplier of Duplex Steel Coils in Jakarta, Indonesia

At Fajar Nickel Alloys, we take pride in being the largest supplier, exporter, and manufacturer of Duplex Steel Coils in Jakarta, Indonesia, providing cutting-edge solutions for all your piping needs. Our state-of-the-art production plants are strategically located in the Indonesia, allowing us to maintain a vast inventory of over 16,000 tons of premium-quality materials readily available in stock. We are dedicated to delivering superior products and services, ensuring reliability and excellence for our global clientele.

Types of Duplex Steel Coils

We offer These Products as per DIN, ISO, JIS or ANSI Standard.

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Duplex Steel Coils Uses

Duplex Steel Coils find extensive use in industries that demand strong, corrosion-resistant materials. In the oil and gas sector, they are essential for manufacturing pipelines, pressure vessels, and components for offshore platforms. Petrochemical facilities rely on these coils to manage aggressive chemicals and high-temperature processes. The marine industry utilizes duplex coils in shipbuilding, desalination plants, and seawater systems. They also play a crucial role in construction for structural reinforcements and cladding. Furthermore, power plants and pulp and paper industries benefit from their durability and reliability.