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ASME SA213 TP321 Bright Tube BA For High Temperature In The Food And Pharmaceutical Industries

Name: ASME SA213 TP321 Bright Tube BA For High Temperature In The Food And Pharmaceutical Industries
Brand: YUHONG
Price: 1 USD

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Brand Name :	YUHONG
Model Number :	ASME SA213 TP321
Certification :	ISO,SGS,BV,ISO & SGS,ISO/CE/SGS
Price :	Negotiable
Payment Terms :	L/C, T/T, D/A
Supply Ability :	15000tons/month
Delivery Time :	5-80 Days

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ASME SA213 TP321 Bright Tube BA For High Temperature In The Food And Pharmaceutical Industries

ASME SA213 TP321 Bright Tube BA For High Temperature In The Food And Pharmaceutical Industries

ASME SA213 TP321 bright tube is a high-standard seamless austenitic stainless steel tube used in critical equipment such as boilers and pressure vessels. Made of titanium (Ti)-stabilized 321 stainless steel, it offers excellent resistance to intergranular corrosion and excellent high-temperature performance.

It is widely used in critical equipment such as power plant boilers, the petrochemical industry, and the food and pharmaceutical industries, which require extremely high material properties and surface finishes. Through a bright annealing (BA) process, its surface is free of scale and decarburization, forming an extremely pure, dense, and uniform chromium passivation film.

This not only provides a superior corrosion resistance compared to ordinary pickled tubes, but also offers a smooth, flawless surface that resists contaminant adhesion and residue, making it extremely easy to clean and sterilize, meeting the requirements of industries such as food, pharmaceuticals, and semiconductors.

ASTM A213 SS 321 Equivalent:

Grade	UNS No	Old British		Euronorm		Swedish SS	Japanese JIS
		BS	En	No	Name
SS 321	S32100	321S31	58B, 58C	1.4541	X6CrNiTi18-10	2337	SUS 321

Chemical Composition

Grade	C	Mn	Si	P	S	Cr	N	Ni	Ti
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

Mechanical Properties

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
321	515	205	40	95	217

Physical Properties

Grade	Density (kg/m3)	Elastic Modulus (GPa)	Mean Co-eff of Thermal Expansion (µm/m/°C)			Thermal Conductivity (W/m.K)		Specific Heat 0-100°C (J/kg.K)	Elec Resistivity (nΩ.m)
			0-100°C	0-315°C	0-538°C	At 100°C	At 500°C
321	8027	193	16.6	17.2	18.6	16.1	22.2	500	720

Choose pickled tube when:

Cost is the primary consideration.
Used in general industrial environments, such as chemical piping and structural support components.
Low aesthetic requirements.
The pipe may undergo subsequent processing, such as welding and bending, which may damage the surface.

Choose bright annealed (BA) tube when:

Extremely high corrosion resistance is required, especially in harsh environments such as the chemical and marine industries.
High cleanliness requirements to prevent product contamination, such as in the food, pharmaceutical, and semiconductor industries.
Aesthetics are important, such as for visible decoration or high-end equipment components.
Media tend to deposit or adhere to the surface, and a smooth surface is easier to clean and maintain (such as food and dairy piping)

Application

Boiler superheater/reheater tubes

Economizer tube bundles

U-tube heat exchangers (TEMA standard)

Hydrogenation reactor feed/discharge lines

Auxiliary steam generator tube bundles

High-temperature molten salt heat exchangers (solar thermal power generation)

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ASME SA213 TP321 Bright Tube BA For High Temperature In The Food And Pharmaceutical Industries

ASME SA213 TP321 Bright Tube BA For High Temperature In The Food And Pharmaceutical Industries

ASME SA213 TP321 Bright Tube BA For High Temperature In The Food And Pharmaceutical Industries

ASME SA213 TP321 bright tube

high temperature food industry tube

pharmaceutical grade bright annealed tube

ASME SA213 TP321 Bright Tube BA For High Temperature In The Food And Pharmaceutical Industries

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