Stainless Steel 321H Tubing

Stainless steel 321H tubing is characterized by a higher level of carbon version of stainless steel 321. This modification increases its strength and some other properties.

Chemical Composition of SS 321H Tubing

The composition of Stainless steel 321H tubing is crucial for understanding their properties and performance in various industrial applications.

Grade	C	Mn	Si	P	S	Cr	Mo	Ni	N	Other
321H	min. max	0.04 0.10	2.00	0.75	0.045	0.030	17.0 19.0	-	9.0 12.0	-	Ti=4(C+N) 0.70

Thus, this table provides valuable insights into the chemical composition of these tubing, highlighting their properties and suitability.

Mechanical Properties of Stainless steel 321H tubing

The table provides essential information for engineers and manufacturers to assess the integrity and durability of Stainless steel 321H tubing in demanding environments.

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
SS 321H	515	205	40	95	217

Thus, this valuable data on the strength, flexibility, and resilience of stainless steel 321H tubing is crucial for ensuring reliability and longevity.

Features of stainless steel 321H tubing

Stainless steel 321H tubing offers several distinctive features; here are some:

High Temperature Strength: SS 321H tubing retains its mechanical properties and does not undergo structural changes at high operating temperatures.
Corrosion Resistance: SS 321H tubing has good resistance to corrosion, such as intergranular corrosion in acid, alkali and another corrosive environment.
Oxidation Resistance: SS 321H tubing affords good oxidation resistance at temperatures and, hence, durability and reliability in applications.
Weldability: SS 321H tubing is easily weldable using conventional welding processes, thus making it easy to fabricate and install in different industries.
Durability: SS 321H tubing provides high levels of durability and low maintenance, hence ideal for harsh working environments.

Due to the combination of the properties, stainless steel 321H tubing is used in industries.

Uses of Stainless steel 321H tubing

Stainless steel 321H tubing finds application in various industries where its specific properties are advantageous:

Chemical Processing: SS 321H tubing is applied in reactors, piping systems, and storage tanks.
Aerospace: SS 321H tubing is used in parts of aircraft, including exhaust systems and parts of the engines.
Heat Exchangers: SS 321H tubing is used in heat exchanger tubing for the effective exchange of heat in chemical processing plants and oil refineries.
Oil and Gas Industry: SS 321H tubing is used in the offshore and onshore drilling facilities for tubing and piping.
Pharmaceuticals: SS 321H tubing is applied to equipment and processing systems that need cleanliness, sterilisers, reactors, and piping systems.
Food Processing: Stainless steel 321H tubing is used in ovens, sterilisers and other equipment used in the food processing industry.
Power Generation: SS 321H tubing is applied in boiler tubes, superheaters, and reheaters in power stations.

Stainless steel 321H tubing is suitable for use in industries that require a strong and reliable material in harsh environments.