Universe Metal & Alloy is a trusted name in the industry, renowned as Manufacturers, Suppliers, Stockists, and Exporters of high-quality Stainless Steel 321 Fasteners. Our comprehensive range of fasteners includes bolts, nuts, screws, dowel pins, threaded rods, and more, meticulously crafted from premium-grade 321 material. These fasteners are designed to meet the diverse needs of various applications, offering exceptional performance, durability, and reliability.

Stainless Steel 321 Fasteners Manufacturers play a crucial role in different types of applications, thanks to the unique properties of the 321 material. Unlike standard austenitic stainless steels, 321 stainless steel is a stabilized variant, offering improved resistance to intergranular corrosion and sensitization. With a composition comprising 17% chromium, 9% nickel, and titanium for stabilization, along with carbon, iron, manganese, nitrogen, phosphorus, sulfur, and silicon, 321 stainless steel delivers superior mechanical and corrosion-resistant properties.

Our range of Stainless Steel 321 fasteners, Bolts and nuts comes in various dimensions, grades, and specifications to cater to diverse industrial requirements. Whether it's high-temperature, high-pressure, or corrosive environments, our fasteners are engineered to withstand the toughest conditions. The SS 321 Hex Bolt, for instance, boasts a minimum tensile strength of 621MPa, a minimum yield strength of 276MPa, and a high hardness of 80 HBW, ensuring exceptional performance and longevity.

The AISI 321 Nut Bolt is particularly well-suited for use in high-temperature and high-pressure applications, thanks to its high melting point and superior mechanical properties. Additionally, the different types of UNS S32100 321 Stainless Steel Dowel Pins offer excellent temperature resistance, withstanding temperatures of up to 1399 degrees Celsius based on the composition mixture.

Our range of Stainless Steel 321 Fasteners encompasses different property classes, with bolts and screws ranging from A2-70 through F593H, and nuts ranging from A2-70 through A4-040, ensuring compatibility with diverse fastening needs. The SS 317L Screw, specifically designed for use in high-temperature, high-pressure, and highly corrosive environments, further underscores the versatility and reliability of our fasteners.

One of the key advantages of 321 stainless steel is its improved weldability compared to other stainless steel grades, such as 304, thanks to the addition of titanium. This makes the material ideal for welding procedures, ensuring reliable and durable joints in various applications. Moreover, the 321 Stainless Steel Threaded Rod can be used under elevated temperatures of up to 816 degrees Celsius, further highlighting its versatility and reliability.

Our range of Stainless Steel 321 Fasteners, including SS 321 Screw, exhibits high oxidation resistance and corrosion resistance, making them suitable for demanding environments where exposure to harsh chemicals and extreme temperatures is common. For more information on our extensive range of fasteners, including the 1.4541 SS 321 Bolts and Nuts, please feel free to contact Universe Metal & Alloy. Our dedicated team is committed to providing comprehensive support and assistance, ensuring you find the perfect fastening solution for your specific needs. Trust Universe Metal & Alloy for top-quality Stainless Steel 321 Fasteners that deliver unmatched performance, durability, and value.

• Specification of Stainless Steel 321 Fasteners

  Specifications of 321 Stainless Steel Fasteners	ASTM A193 / A193, ASME SA193 / SA194
  Standard of 321 Stainless Steel Bolts and Nuts	DIN, ASTM, BS and all International Standards
  Length of 321 SS Fasteners	3 to 200 mm
  321 Stainless Steel Bolt / Screw Size	M3 To M56 3/6" to 2"
  321 Stainless Steel Screws Available Size	M1.6 To M12
  321 Stainless Steel Nuts Size	M3 To M56 3/6" to 2"
  321 Stainless Steel Washers Size	M3 To M56 3/6" - 2"

• CHEMICAL COMPOSITION OF STAINLESS STEEL 321 Fasteners

  Grade		C	Mn	Si	P	S	Cr	Mo	Ni	N
  321	min. max.	-0.080	-2	-1	-0.045	-0.030	-19	--	-13	--

• MECHANICAL PROPERTIES OF STAINLESS STEEL 321 Fasteners

  Grade	Tensile Strength (MPa) min	Yield Strength 0.2% Proof (MPa) min	Elongation (% in 50mm) min	Hardness
  				Rockwell B (HR B) max	Brinell (HB) max
  321	515 MPa	205 MPa	40%	95	217

• EQUIVALENT GRADES STAINLESS STEEL 321 Fasteners

  Grade	UNS No	Old British		Euronorm		Swedish SS	Japanese JIS
  		BS	En	No	Name
  321	S32100	321S31	58B, 58C	1.4541	X6CrNiTi18-10	2337	SUS 321

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