Majid Fasteners

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Dubai, UAE.

Stainless Steel 321 / 321H Nuts Manufacturer and Supplier in Dubai, UAE

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Situated in the heart of Addis Ababa, Tariku Metals has established itself as a trusted local source for high-performance materials, directly supplying industry with essential components. We specialize in providing robust Hastelloy B2 forgings, a niche yet critical product for demanding industrial environments. Our focus is on delivering not just a product, but a reliable solution that supports the growth and integrity of local engineering projects, ensuring our clients have access to world-class materials backed by our dedicated service and deep understanding of the regional market’s unique needs.

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What is Stainless Steel 321 / 321H Nuts?

Hastelloy B2 is a nickel-molybdenum alloy specifically engineered to handle some of the toughest chemical challenges. Its composition provides outstanding resistance to hydrochloric acid across a wide range of concentrations and temperatures, along with excellent performance in other non-oxidizing media. Mechanically, these forgings are incredibly strong and durable, offering high tensile strength and good ductility even under extreme thermal stress. This combination allows them to maintain their structural integrity in environments that would quickly degrade lesser materials.

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Stainless Steel 321 / 321H Nuts Specification

Standard ASTM B564, ASME SB564
Specification DIN, ASTM, BS and all International Standards
Flat bar blocks up to 27″ width and 15,000 lbs.
Cylinders and sleeves up to 50″ maximum O.D. and 65″ maximum length
Discs and hubs up to 50″ diameter and 20,000 lbs.
Rolled, hand forged or mandrel forged rings up to 84″ maximum O.D. and 40″ maximum length
Rounds, shafts and step shafts up to 144″ maximum length and 20,000 lbs.
Forging Types Impression Die Forging, Open Die Forging, Seamless Rolled Forging, Hot Forging, Cold Forging, Open die hammer forging, Impression die drop forging, Closed Die Forging, Press Forging, Upset Forging, Compression Forging, Swaging, Rotary Forging, Roll forging.

Chemical Compositions of Stainless Steel 321 / 321H Nuts

Grade C Mn Si S Co Ni Cr Fe Mo P
Hastelloy B2 0.02 max 1.0 max 0.1 max 0.03 max 1.0 max Bal 1.0 max 2.0 max 26 – 30 0.04 max

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Stainless Steel 321 / 321H Nuts Mechanical Properties

Density Melting Point Tensile Strength Yield Strength (0.2%Offset) Elongation
9.2 g/cm3 1370 °C (2500 ºF ) Psi – 1,10,000, MPa – 760 Psi – 51000, MPa – 350 40 %

Stainless Steel 321 / 321H Nuts Equivalent Grades

STANDARD WERKSTOFF NR. UNS
Hastelloy B2 2.4617 N10665

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Stainless Steel 321 / 321H Nuts Types

tainless Steel 321 / 321H Nuts
Stainless Steel 321 Self Locking Nuts
SS 321 Heavy Hex Nut
Stainless Steel 321H Nylon Insert Nuts
SS 321H Lock Nut
Stainless Steel 321 Coupler Nuts

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Stainless Steel 321 / 321H Nuts Uses

The resilience of Hastelloy B2 forgings makes them indispensable in sectors where failure is not an option. You’ll typically find them performing critical roles in chemical processing equipment like reactors, distillation systems, and pipes handling aggressive acids. They are also essential in the pharmaceutical industry for manufacturing processes requiring ultra-pure conditions, and in pollution control scrubbers. Essentially, any application involving severe reducing conditions, particularly with hydrochloric acid, relies on the unmatched reliability of these components to ensure safe, continuous, and efficient operation.