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Stainless Steel 321/321H Pipes & Tubes

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Manufacturers, suppliers, and exporters of Stainless Steel 321H Pipes and Tubes made from premium raw materials are Shree Viratra Enterprises. The SS 321H Pipes and Tubes that are offered can be tailored to meet specific client needs. A variety of dimensional parameters are available for stainless steel 321H pipes and tubes. Manufacturers, suppliers, and exporters of stainless steel 321 pipes and tubes made from premium raw materials are Shree Vaitra Steels. The SS 321 Pipes and Tubes product that is being supplied is tailored to the needs of the client. A variety of dimensional parameters are available for stainless steel 321 pipes and tubes.

What are some frequently asked question about stainless steel 321-321H Pipe & Tubes

What is a 321 stainless steel tube?

A 321 stainless steel tube is a corrosion-resistant, high-temperature alloy primarily composed of chromium, nickel, and titanium. It offers superior strength and durability, making it suitable for applications in industries such as aerospace, chemical processing, and automotive. Its titanium addition prevents sensitization and carbide precipitation, enhancing its weldability and stability at elevated temperatures.

What is 321 stainless steel equivalent?

321 stainless steel is equivalent to AISI 304 stainless steel in many general properties but with enhanced high-temperature strength and resistance to sensitization due to its titanium content. It’s commonly used in applications requiring corrosion resistance and durability at elevated temperatures, such as aerospace, chemical processing, and automotive industries.

What is the difference between 321 and 316 stainless steel?

The critical contrast between 321 and 316 stainless steel is their compositions and applications. 321 boasts 17-19% chromium, 9-12% nickel, and 0.08% carbon, with titanium for corrosion resistance, suitable for high-temperature settings. Conversely, 316L contains 16-18% chromium, 10-14% nickel, 2-3% molybdenum, and 0.03% carbon, excelling in chloride-rich environments like marine settings. While both resist corrosion, 321 thrives in elevated temperatures, while 316 shines in chloride exposure.

What is the difference between 304 and 321 stainless steel?

The primary difference between AISI 304 Stainless Steel AND AISI 321 Stainless Steel lies in their chemical compositions and applications. While both offer corrosion resistance, 321 contains titanium for enhanced high-temperature strength and resistance to sensitization, making it more suitable for elevated temperature environments, whereas 304 is more versatile in general-purpose applications.

What is 321 material grade?

321 is a stainless steel material grade renowned for its corrosion resistance and high-temperature stability. Composed primarily of chromium, nickel, and titanium, with a slight addition of carbon, it exhibits excellent resistance to intergranular corrosion. The titanium content prevents sensitization and carbide precipitation, making it ideal for aerospace, chemical processing and automotive applications, particularly where exposure to elevated temperatures is expected.

What is 321H stainless steel?

321H stainless steel is an elevated carbon variant of the 321 stainless steel alloy, featuring a carbon content typically ranging from 0.04% to 0.10%. This heightened carbon composition enhances its strength at high temperatures and resistance to creep, rendering it apt for applications demanding elevated temperature performance.

What is ss 321H equivalent to?

SS 321H is like AISI 321 stainless steel, but it has more carbon, around 0.04% to 0.10%. This extra carbon makes it stronger and better at resisting changes when it’s really hot. Both are good for high temperatures, but 321H is a bit better because of the extra carbon. It’s great for places where things get really hot and need to stay strong.

What is the difference between 321H and 321?

SS 304 offers oxidation resistance up to 870°C in service, extendable to 925°C for continuous systems. Stainless steel 321 is preferred for temperatures reaching 900°C. Notably, 321 demonstrates slightly better fatigue strength compared to SS 304.

STAINLESS STEEL 321/321H SEAMLESS & WELDED PIPES & TUBES SPECIFICATION :

Standard : 321/321H / 1.4878

Size Range : 1/8” to 48”, Seamless Pipes up to 24”

Designation : ASTM A312, ASME SA312, ASTM A269, ASTM A213, ASTM A249, ASTM A270, ASTM A511, ASTM A554, ASTM A778, ASTM A908, ASME SA249.

Product Shapes : Round, Square, Rectangular

Thickness: 0.4mm up to 30.00 mm, Schedules 5, 10S, 10, 30, 40S, 40, 80, 80S, XS, 160, XXH

Length: Standard 6-6.1 meter length, 20 Ft, Custom Cut Lengths

Types : Seamless, Welded, Cold Drawn, Structural, Hot Finished, Extruded, Annealed & Pickled

Product Range: Round Pipes, Square Pipes, Rectangular Pipes, Straight Stainless Steel Tubing, Stainless Steel Capillary Tubing, Large Size Seamless Pipes, Stainless Steel Instrumentation Tubes, Seamless Cold Rolled Coiled Stainless Steel Tubing, Pre Insulated Stainless Steel Tubes, Decorative Polished Pipes, Electropolished Stainless Steel Tubes, High Pressure Stainless Steel Tubes, Seamless Heat Exchanger Tubes, Seamless U-tubes, Large Diameter Fabricated Pipes, Seamless U-Bended Heat Exchanger Tubes.

ASTM A182 Stainless Steel 321/321H Capillary Tubing, werkstoff nr. 1.4878 Instrumentation Tubes, UNS S32100/S32109 Square Pipes & Rectangular Pipes Suppliers.

Standard	SS 321/SS 321H
UNS	S32100/S32109
WERKSTOFF NR./ DIN	1.4541/1.4878
AFNOR	–
JIS	–
GOST	–
BS	–
EN	–

Standard	SS 321
UNS	S32100
WERKSTOFF NR. / DIN	1.4541

Standard	SS 321H
UNS	S32109
WERKSTOFF NR. / DIN	1.4878

UNS S32100/S32109 PIPES & TUBES CHEMICAL COMPOSITION:

Grade	C	Mn	Si	P	S	Cr	Mo	Ni	N	Ti
321	0.08 max	2 max	0.75 max	0.045 max	0.03 max	17 – 19	3 – 4	9 – 12	0.10 max	5xC min 0.60% max
321H	0.04 – 0.10	2 max	0.75 max	0.045 max	0.03 max	17 – 19	3 – 4	9 – 12	–	4xC min 0.60% ma

Grade	C	Mn	Si	P	S	Cr	Mo	Ni	N	Ti
321H	0.04 – 0.10	2 max	0.75 max	0.045 max	0.03 max	17 – 19	3 – 4	9 – 12	–	4xC min 0.60% ma

321

0.08 max

2 max

0.75 max

0.045 max

0.03 max

17 – 19

3 – 4

9 – 12

0.10 max

5xC min
0.60% max

321/321H PIPES & TUBES MECHANICAL & PHYSICAL PROPERTIES:

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

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