Best Supplier & Manufacturer of Stainless Steel 321 Boiler Tube

Prism TuboTech Pvt. Ltd. is India's Most Distinguished and pre-eminent stainless steel company which is dealing with manufacturing of value added high end stainless steel products in India.

Table Of Content

About Stainless Steel 321 Boiler Tubes
Stainless Steel 321H Boiler Tubes Specification
Stainless Steel 321 Boiler Tubes Equivalent Grades
Types of Stainless Steel 321H Boiler Tubes
Chemical Composition of Stainless Steel 321 Boiler Tubes
Stainless Steel 321H Boiler Tubes Mechanical Properties
Other Types of Stainless Steel 321 Boiler Tubes
People Also Search for SS 321H Boiler Tubes

Prism TuboTech Pvt. Ltd. is one of the leading firms in India that manufactures and supplies Stainless steel 321 Boiler tubes to our national and international clients. Our skilled staff puts our boiler tubes through several testing and quality inspections to ensure that our clients receive the highest quality goods.

STAINLESS STEEL S32100 BOILER TUBES EXPORTER, STAINLESS STEEL 321H BOILER TUBES SUPPLIER, STAINLESS STEEL 321 BOILER TUBES MANUFACTURER, UNS S32109 BOILER TUBES, STAINLESS STEEL 321H BOILER TUBES, 321 STAINLESS STEEL BOILER TUBE.

We follow several legislative standards for the protection of the environment, health, and safety. Our boiler tubes come in various types and dimensions. Stainless steel 321H Boiler tubes are a stabilized version of SS 304, due to the addition of titanium. It contains chromium, nickel, and iron as significant ingredients, as well as other micro constituents.

321 STAINLESS STEEL BOILER TUBES PRICE, STAINLESS STEEL 1.4878 BOILER TUBES MANUFACTURER, STAINLESS STEEL TP321H BOILER TUBES, SS 321 BOILER TUBE MANUFACTURER, SS 321 BOILER TUBE.

Both are a type of austenitic stainless steel, known for their strength at high temperature, formability, and resistance to corrosion. These are generally used in applications whose service temperature goes above 1,650 ℉. Stainless steel 321 Boiler tubes have excellent strength and have resistance to many types of corrosion, one of which is aqueous corrosion.

SS 321 is commonly seen utilized in heavy welding applications. However, because of the titanium addition, SS 321 has significant restrictions in terms of workability and welding procedures that may be applied. Stainless steel 321 Boiler tubes have good forming properties, do not require annealing after welding, and are resistant to a broad range of temperatures. Even when subjected to cryogenic temperatures, the metal retains its strength. Furthermore, it is frequently preferred over Type 304 due to its enhanced resistance to creep and rupture.

We are dedicated to providing top-notch tubing solutions to satisfy the demanding requirements of boiler applications, ensuring long-lasting performance and peace of mind, whether you need a reliable stainless steel 321 boiler tube manufacturer.

What are the uses of stainless steel 321 boiler tubes?
These tubes are commonly used in power plants, industrial boilers, and heat exchangers where high-temperature and high-pressure conditions are prevalent.

Are Stainless Steel 321 Boiler Tubes suitable for welding?
Yes, they have good weldability, but it's important to use appropriate welding techniques and filler materials to maintain their corrosion resistance after welding.

Grade

321

The stainless steel 321H Boiler tube is a higher carbon type than the stainless steel 321. It is additionally niobium stabilized to withstand intergranular corrosion. It has greater strength than SS 321 at higher temperatures, due to increased carbon content. The stainless steel 321H Boiler tube has similar properties to the SS 321.

In addition, the alloy has resistance to acid corrosion in a range of conditions. Lower temperatures improve resistance. However, at any given temperature, the metal has relatively low resistance to chlorine or sulfuric solutions.

As a trusted stainless steel 321 boiler tube supplier, we provide premium-quality tubing solutions designed to withstand high-temperature and high-pressure boiler environments, ensuring the safety and efficiency of your industrial operations.

Are these tubes suitable for use in high-pressure boilers?
Yes, Stainless Steel 321 Boiler Tubes are well-suited for high-pressure boiler systems due to their ability to withstand elevated temperatures and resist corrosion.

Stainless Steel 321 Boiler Tubes Specification

Specifications

ASTM A213 / ASME SA213

Outside Diameter

Upto 355.60 mm (Expander pipe in 406.4/ 457.0/ 508.0 mm)

Thickness

Upto 40.00 mm

Length

Upto 14 mtr (max tube length can be met upto 21 mtr.)

Deburring Angle

30°+ 5 and 37°± 2.5

Tubes End Types

Plain End / Beveled End

ASME SA 213 Equivalent Grades of Stainless Steel 321H Boiler Tubes

STANDARD	WERKSTOFF NR.	UNS	JIS	EN
SS 321	1.4541	S32100	SUS 321	X6CrNiTi18-10
SS 321H	1.4878	S32109	SUS 321H	X12CrNiTi18-9

Types Of Stainless Steel 321 Boiler Tubes

321 Stainless Steel Boiler Tube 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
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

321 Stainless Steel Boiler Tubing Mechanical Properties

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 %

Stainless Steel 321 Boiler Tube Used In Most Types Of Boilers

Waste heat boilers
Concentrated solar power (CSP) boilers
Black liquor recovery boilers
Biomass-fired boilers
Coal-fired power boilers
Syngas coolers
Reheaters
Advanced ultra supercritical (AUSC) boilers
Superheaters

321 Stainless Steel Fire Tube Boiler Sizes

OUTER DIAMETER (OD)	10.2 – 139.7 mm (from 26.9 mm manufactured as hot rolled)
WALL THICKNESS (WT)	0.5 – 16.0 mm (from 2.6 mm manufactured as hot rolled)

321H Stainless Steel Boiler Tube Pressure Rating

AVE. WALL INCHES	MIN YIELD STRENGTH (PSI)	MIN TENSILE STRENGTH (PSI)	THEORETICAL BURST PRESSURE * (PSI)	WORKING PRESSURE (PSI) 25% OF BURST	THEORETICAL YIELD POINT ** (PSI)	COLLAPSE PRESSURE *** (PSI)
0.250	0.020	30,000	75,000	14,286	3,571	5,714	4,416
0.250	0.028	30,000	75,000	21,649	5,412	8,660	5,967
0.250	0.035	30,000	75,000	29,167	7,292	11,667	7,224
0.250	0.049	30,000	75,000	48,355	12,089	19,342	9,455
0.250	0.065	30,000	75,000	81,250	20,313	32,500	11,544
0.375	0.020	30,000	75,000	8,955	2,239	3,582	3,029
0.375	0.028	30,000	75,000	13,166	3,292	5,266	4,145
0.375	0.035	30,000	75,000	17,213	4,303	6,885	5,077
0.375	0.049	30,000	75,000	26,534	6,634	10,614	6,816
0.375	0.065	30,000	75,000	39,796	9,949	15,918	8,597
0.500	0.020	30,000	75,000	6,522	1,630	2,609	2,321
0.500	0.028	30,000	75,000	9,459	2,365	3,784	3,172
0.500	0.035	30,000	75,000	12,209	3,052	4,884	3,906
0.500	0.049	30,000	75,000	18,284	4,571	7,313	5,304
0.500	0.065	30,000	75,000	26,351	6,588	10,541	6,786
0.500	0.083	30,000	75,000	37,275	9,319	14,910	8,307
0.625	0.020	30,000	75,000	5,128	1,282	2,051	1,859
0.625	0.028	30,000	75,000	7,381	1,845	2,953	2,568
0.625	0.035	30,000	75,000	9,459	2,365	3,784	3,172
0.625	0.049	30,000	75,000	13,947	3,487	5,579	4,335
0.625	0.065	30,000	75,000	19,697	4,924	7,879	5,591
0.625	0.083	30,000	75,000	27,124	6,781	10,850	6,910
0.625	0.095	30,000	75,000	32,759	8,190	13,103	7,734
0.625	0.109	30,000	75,000	40,172	10,043	16,069	8,639
0.750	0.028	30,000	75,000	6,052	1,513	2,421	2,156
0.750	0.035	30,000	75,000	7,721	1,930	3,088	2,669
0.750	0.049	30,000	75,000	11,273	2,818	4,509	3,664
0.750	0.065	30,000	75,000	15,726	3,931	6,290	4,749
0.750	0.083	30,000	75,000	21,318	5,330	8,527	5,905
0.750	0.095	30,000	75,000	25,446	6,362	10,179	6,637
0.750	0.109	30,000	75,000	30,733	7,683	12,293	7,453
0.750	0.120	30,000	75,000	35,294	8,824	14,118	8,064
0.875	0.020	30,000	75,000	3,593	898	1,437	1,340
0.875	0.028	30,000	75,000	5,128	1,282	2,051	1,859
0.875	0.035	30,000	75,000	6,522	1,630	2,609	2,304
0.049	30,000	75,000	9,459	2,365	3,784	3,172
0.875	0.065	30,000	75,000	13,087	3,272	5,235	4,126
0.875	0.083	30,000	75,000	17,560	4,390	7,024	5,152
0.875	0.095	30,000	75,000	20,803	5,201	8,321	5,807
0.875	0.109	30,000	75,000	24,886	6,221	9,954	6,543
0.875	0.120	30,000	75,000	28,346	7,087	11,339	7,100
1.000	0.028	30,000	75,000	4,449	1,112	1,780	1,633
1.000	0.035	30,000	75,000	5,645	1,411	2,258	2,027
1.000	0.049	30,000	75,000	8,149	2,037	3,259	2,796
1.000	0.065	30,000	75,000	11,207	2,802	4,483	3,647
1.000	0.083	30,000	75,000	14,928	3,732	5,971	4,567
1.000	0.095	30,000	75,000	17,593	4,398	7,037	5,159
1.000	0.109	30,000	75,000	20,908	5,227	8,363	5,827
1.000	0.120	30,000	75,000	23,684	5,921	9,474	6,336
1.000	0.134	30,000	75,000	27,459	6,865	10,984	6,963
1.250	0.035	30,000	75,000	4,449	1,112	1,780	1,633
1.250	0.049	30,000	75,000	6,380	1,595	2,552	2,260

321 Stainless Steel Water Tubing Boiler Tolerances

OD Tolerance: +0.005/-0 in.
Hardness: Maximum 80 HRB (Rockwell)
Wall Thickness: ±10%
Chemistry: Min. 2.5% Molybdenum

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Application Industries for High Quality SS 321 Boiler Tubes

SS 321H Boiler Tubes For Water-Tube Boiler
SS 321H Boiler Tubes For Solar Power Industry
SS 321H Boiler Tubes For Steam Boilers
SS 321H Boiler Tubes For Power Generation
SS 321H Boiler Tubes For Electric Power Plants
SS 321 Boiler Tubes For Fossil Fuel Plants
SS 321 Boiler Tubes For Cogeneration Facilities
SS 321H Boiler Tubes For Air Preheater Unit
SS 321 Boiler Tubes For Commercial Fire and Water Boiler
SS 321 Boiler Tubes For Economiser
SS 321 Boiler Tubes For Fire-Tube Boiler
SS 321H Boiler Tubes For Petrochemical
SS 321 Boiler Tubes For Waste Heat Plants

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Stainless Steel 321 Boiler Tube Manufacturer