Stainless Steel 321/321H Pipe Fittings are electric-furnace austenitic steels that are non-heat treatable and non-magnetic in their annealed condition. These fittings contain nickel, chromium, and titanium as actual contents, making them an ideal choice for various applications and industries. Their properties include high tensile strength, durability, weldability, long functional life, and corrosion resistance. They can withstand running temperature atmospheres and possess good low-temperature toughness.
The high carbon content of Stainless Steel 321/321H Pipe Fittings offers excellent resistance to general corrosion and chemical attack environments while improving high-temperature strength. These Pipe Fittings provide good creep resistance and higher strength at elevated temperatures. They are non-magnetic and have excellent tensile strength, weldability, robust construction, higher durability, flexibility, and longer functional life. They provide intergranular corrosion attack and offer outstanding strength and corrosion resistance to stress corrosion cracking and pitting crevices similar to Stainless Steel 317 Seamless Fittings.
Table of Content
Stainless Steel 321/321H Pipe Fittings combine carbon, manganese, silicon, phosphorus, sulfur, chromium, nitrogen, nickel, titanium, and iron elements. They are titanium-stabilized austenitic stainless steels with good general corrosion resistance. Stainless Steel 321/321H Pipe Fittings also contain small amounts of other elements such as aluminium, cobalt, copper, and tungsten. These elements help improve the overall strength and corrosion resistance of the fittings. The carbon content in Stainless Steel 321/321H Pipe Fittings is typically around 0.08%, while the nickel content is around 9-12%. The chromium content is typically around 17-19%, while the titanium content is around 5 times the carbon content.
Stainless Steel 321/321H Pipe Fittings find wide applications in aerospace, chemical and petrochemical processing, petroleum refining, power generation plants, food processing, piping systems, textile equipment, pulp and paper plates, tanks, oil and refinery, flue gas desulfurization systems, pressure vessels, and more.
Kalp Industries is India’s fastest-growing manufacturer and supplier of Stainless Steel 321 Pipe Fittings. Our skilled staff work with a focused attitude to produce dimensionally correct and high-functionality Stainless Steel 321H Pipe Fittings. We use advanced machines and equipment to manufacture these fittings in all sizes, shapes, and dimensions per standard operating procedures in compliance with international standards. We have learned the required skillset to meet high-quality standards and provide ultimate customer satisfaction. The company is also the largest stockist of Stainless Steel 347/347H Pipe Fittings.
|Standards||ASTM A403 / ASME SA403|
|Dimensions||ASME/ANSI B16.9, ASME B16.28, MSS-SP-43, BS4504, BS4504, BS1560, BS10|
|Type||Seamless / Welded / Fabricated|
|Thickness||SCH10, SCH20, SCH30, STD SCH40, SCH60, XS, SCH 80, SCH 100, SCH 120, SCH 140, SCH 160, XXS available with NACE MR 01-75|
|Bending Radius||R=1D, 2D, 3D, 5D, 6D, 8D, 10D or Custom|
|SS 321||1.4541||S32100||SUS 321||X6CrNiTi18-10|
|SS 321H||1.4878||S32109||SUS 321H||X12CrNiTi18-9|
|All Fittings||90°and 45° Ells and Tees||Reducers and Lap Joint Stub||Caps||180° Returns||Angularity Tol|
|Nominal Pipe Plane Size (NPS)||Outside(1) Diameter at Bevel||Inside(1) Diameter at End||Wall(2) Thickness||Centre-to- End Dimension A,B,C,M||Overall Length L||Overall Length E||Centre-to- Centre Dimension O||Back-to- Face Dimension K||Alignment at Ends U||Nominal Pipe SIze||Off Angle Q||Off Angle P|
|1/2 TO 2-1/2||+1/16||±1/32||Not less than 87-1/2% of Normal Thickness||±1/16||±1/16||±1/8||±1/4||±1/4||±1/32||12 to 4||1/32||1/16|
|-1/32||5 to 8||1/16||1/8|
|3 TO 3-1/2||±1/16||±1/16||±1/16||±1/16||±1/8||±1/4||±1/4||±1/32||10 to 12||3/32||3/16|
|4||±1/16||±1/16||±1/16||±1/16||±1/8||±1/4||±1/4||±1/32||14 to 16||3/32||1/4|
|5 TO 8||+1/32||±1/16||±1/16||±1/16||±1/4||±1/4||±1/4||±1/32||18 to 24||1/8||3/8|
|10 TO 18||+1/16||±1/8||±3/32||±3/32||±1/4||±3/8||±1/4||±1/16||All dimensions are in inches|
|20 TO 24||+1/4||±3/32||±3/32||±3/32||±1/4||±3/8||±1/4||±1/16|
|SS 321||0.08 max||2.0 max||1.0 max||0.045 max||0.030 max||17.00 – 19.00||0.10 max||9.00 – 12.00||5(C+N) – 0.70 max|
|SS 321H||0.04 – 0.10||2.0 max||1.0 max||0.045 max||0.030 max||17.00 – 19.00||0.10 max||9.00 – 12.00||4(C+N) – 0.70 max|
|Density||Melting Point||Tensile Strength||Yield Strength (0.2%Offset)||Elongation|
|8.0 g/cm3||1457 °C (2650 °F)||Psi – 75000 , MPa – 515||Psi – 30000 , MPa – 205||35 %|
We Serve Application Industry
Fastener applications are as diverse as the industries they serve driven primarily by the aerospace, railway, construction and automotive industries with petrochemical, nuclear, medical, Oil & Gas, Chemical, Pharmaceutical, Food & Beverage, Nuclear, Thermal Power plants, Paper and Pulp, marine and mining, etc.
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