SS 321H Fasteners provided by Adinox Overseas is a high-quality solution in all high temperature and corrosive conditions specially where service life is critical. Such fasteners are made of austenitic stainless steel alloy whose strength is increased by addition of greater carbon content and identified as stable UNS S32109 austenitic stainless steel. The alloy has better high temperature strength and intergranular corrosion resistance thus useful in pressure vessels, heat exchangers as well as exhaust manifolds and refinery equipment.

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strong>Stainless Steel 321H Fasteners operate under both high mechanical and high temperature conditions. The improved carbon level in 321H adds advantage in terms of structure in the high pressure environment giving it a great creep resistance and stress rupture. They are mechanically and corrosion resistant fasteners with good service up to 1500 o F (816 o C).

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We mainly manufacture various types of fasteners like fasteners, bolts, nuts, washers, threaded rods, studs and screws, all which are made in Stainless Steel 321H at Adinox Overseas. Our fasteners have a high rate of accuracy and reliability because they enjoy a global standard such as ASTM, ASME, DIN, ISO, and BS. This material is commonly accepted as AISI 321H in all industry and particularly in the petrochemical, aerospace, pharmaceutical, and marine industries. These are preferred by those industries that require good structural stability and resistance to oxidation under oxidizing grounds.

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In 321H Stainless Steel, the amount of titanium is quite high and, therefore, gives resistance to precipitation of chromium carbides, particularly in the heat-affected parts of welds. This renders the material very weldable and hence can be used during manual and automatic welding tasks. They can be machined simply and have good formability, and are sold in several different sizes and specification suitable to the application of the customer.

Stainless Steel 321H Fasteners in Mumbai, Stainless Steel 321H Fasteners Manufacturers in Mumbai, Stainless Steel 321H Fasteners Suppliers in Mumbai, Stainless Steel 321H Fasteners Stockists in Mumbai, Stainless Steel 321H Fasteners Exporters in Mumbai

Specifications Of Stainless Steel 321H Fasteners

Specifications	ASTM A193, A194, F593, F594, F1554 / ASME SA193, SA194, SF593, F594, F1554
Dimensions	DIN 931, 933, 934, 7991, 976, 125, ASME B18.2.1, B18.3
Size	Bolt / Screw Size : M3 – M56 \| 3/6″ to 2″ \| Custom Sizes Nuts Size : M3 – M56 \| 3/6″ to 2″ \| Custom Sizes Washers Size : M3 – M56 \| 3/6″ to 2″ \| Custom Sizes Machine Screws Size : M1.6 – M12 Self Tapping Screw Size : No.2 – No. 14
Length	3 mm to 200 mm
Threads	UNF, BSW, BSF, METRIC, UNC, or as required
Surface Coating	Ptfe Coating Phosphate Coating Teflon Coating Zinc Coating Hot Dipped Galvanizing Coating Cadmium Coating Xylon Coating

Chemical Composition for Stainless Steel 321H Fasteners

Grade	C	Mn	Si	P	S	Cr	Mo	Ni	N
SS 321H	0.08 max	2 max	0.75 max	0.045 max	0.030 max	18 – 20	-	8 – 11	-

Mechanical Properties Of Stainless Steel 321H Fasteners

Density	Melting Point	Tensile Strength	Yield Strength (0.2%Offset)	Elongation
8.0 g/cm3	1400 °C (2550 °F)	Psi – 75000 , MPa – 515	Psi – 30000 , MPa – 205	35 %

Application Of Industries

Power Plants

Aerospace

Refineries

Construction

Oil & Gas

Sugar

Chemical

Petrochemical

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