Duplex Steel 2205 Nuts Manufacturer in Bangkok, Thailand

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Chanathip Nickel Alloys & Plates in Bangkok produces high-quality nuts in Duplex Steel 2205, also known as UNS S31803/S32205, ASTM/EN grade, for heavy industrial use. These nuts include hex nuts, heavy hex, coupling nuts, and lock nuts, available in various sizes from small M6 to large diameters. They are finished to meet international standards and are manufactured and heat treated in-house with precise threading and certification. We can offer special finishes or coatings upon request to enhance performance in corrosive or high-stress environments. Our customers come from the petrochemical, marine, offshore, and infrastructure sectors where fastening reliability is essential.

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Duplex 2205 nuts share the base chemistry of S31803 and S32205, featuring approximately 21-23% chromium, 4.5-6.5% nickel, 2.5-3.5% molybdenum, and 0.14-0.20% nitrogen, along with low levels of carbon, phosphorus, and sulfur. Their mechanical strength includes tensile strength of around 620-650 MPa, yield strength of approximately 450 MPa, elongation of at least 25%, and hardness at or below 290 HB. Threads are machined to enhance strength geometry, reducing stress concentration. Toughness is retained even at lower temperatures. Nuts are verified for thread fit, dimensional tolerances, and corrosion resistance.

Duplex Steel 2205 Nuts Specifications

Material	Specification	Standards	Size	Length
Duplex Steel 2205	IS BS ASTM	ASTM / ASME – A/ SA 479 / 479	3 mm to 200 mm	M02 to M30

Duplex Steel 2205 Nuts Chemical Composition

Grade	C	Mn	Si	P	S	Cr	Mo	Ni	N	Fe
Duplex Steel 2205 Nuts	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 2205 Nuts Mechanical Properties

ades	Density (g/cm 3)	Density (lb/in 3)	Melting Point (°C)	Melting Point (°F)
Duplex 2205 Nuts	7.805	0.285	1420 – 1465	2588 – 2669

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Largest Manufacturer and Supplier of Duplex Steel 2205 Nuts in Bangkok, Thailand

At Chanathip Nickel Alloys, we take pride in being the largest supplier, exporter, and manufacturer of Duplex Steel 2205 Nuts in Bangkok, Thailand, providing cutting-edge solutions for all your piping needs. Our state-of-the-art production plants are strategically located in the Thailand, 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 2205 Nuts

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

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Duplex Steel 2205 Nuts Uses

Duplex 2205 nuts are paired with bolts and studs in aggressive environments, such as underwater bolting, offshore platforms, and flanges in chemical plants. They are also essential in pump and valve assemblies, pipework for seawater cooling, desalination, and oil and gas applications. These nuts are critical in infrastructure susceptible to salt, humidity, and corrosive conditions. Since nuts can often be the weaker link in bolted connections, using duplex material ensures matching strength and corrosion performance. They find use in renewable energy, marine applications, and industrial equipment where maintenance presents challenges and failure can be costly.

Duplex Steel 2205 Nuts Manufacturer in Bangkok, Thailand

Table of Contents

Duplex Steel 2205 Nuts Specifications

Duplex Steel 2205 Nuts Chemical Composition

Duplex Steel 2205 Nuts Mechanical Properties