Bright Annealed Stainless Steel Boiler Tube Seamless Austenitic TP321H Piping - Yaang


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Bright Annealed Stainless Steel Boiler Tube Seamless Austenitic TP321H Piping

  • FOB PriceUSD 800 - 30,000/Piece
  • PortNingbo or Shanghai
  • MOQ0.5 Tons
  • Supply Ability1000 Tons Per Month
  • Payment TermsL/C,T/T,Western Union
  • PackagingSeaworthy plywood cases or pallets
  • Delivery2 - 15 days

Detailed description

Quick Details

MaterialStainless Steel      Model Number: SUS321, SUS 321H, SUS 347H

Certification: ISO 9001         Place of Origin: Zhejiang, China (Mainland)     Brand Name: Yaang

Bright Annealed Stainless Steel Boiler Tube Seamless Austenitic TP321H Piping



Bright Annealed Stainless Steel Boiler Tube

Manufacturing Process:

Cold drawn, Pickled, Bright Annealed


ASTM A312/ A213/A269/A249

Material Grade:

Austenitic: TP347H, TP310S/310H, TP321, TP321H, TP304/304L ETC

EN Standard: 1.4845, 1.4539, 1.4162

Outside Diameter.

Φ 6.00mm - Φ 114.3 mm; 1” NB to 4” NB


1mm - 8mm; SCH5/10/40/80





American standards:

ASTM A 213/A 213M ASME SA213/SA213M Specification for Seamless Ferric and Austenitic Alloy - Steel Boiler, Super heater, and Heat - Exchanger Tubes

ASTM A 249/A 249M Specification for Welded Austenitic Steel Boiler, Superheater, Heat - Exchanger, and Condenser tubes

ASTM A268/A268M, ASME SA268/SA268M Specification Seamless and welded ferritic and martensitic stainless steel tubing for general service

ASTM A269/A269M, ASME SA269/SA269M Specification for Seamless and Welded Austenitic Stainless Steel Tubing for General Service

ASTM A312/A312M, ASME SA312/SA312M Specification for Seamless and Welded Austenitic Stainless Steel Pipes

ASTM A 358/A 358M Specification for Electric - Fusion - Welded Austenitic Chromium - Nickel Alloy Steel Pipe for High - Temperature Service

ASTM A376/A376M, ASME SA376/SA376M Seamless austenitic steel pipes for high - temperature central - station service

ASTM A409/SA409 Welded Large Diameter Austenitic Steel Pipe for Corrosive or High Temperature Service

ASTM A 530/ A 530M Specification for General Requirements for Specialized Carbon and Alloy Steel Pipe

ASTM A 554 Specification for Welded Stainless Steel Mechanical Tubing

ASTM A731/A731M Seamless and Welded Ferritic and Martensitic Stainless Steel Pipe

ASTM A 778 Specification for Welded, Unannealed Austenitic Stainless Steel Tubular Products

ASTM A790/A790M, ASME SA790/SA790M Seamless and Welded Ferritic/Austenitic Stainless Steel Pipe

EN Standards

EN 10216 - 5 Welded Stainless Steel Tube

EN 10216 - 7 Seamless Stainless Steel Tube


Size Detail:



  Outside Diameter

Wall Thickness

Stainless Steel Seamless Boiler pipe

6.00mm to 114.3 mm

1 mm to 8mm





The products are applied to trades such as papermaking, chemical industry, shipbuilding, petroleum, electricity, 

food, pharmacy, natural gas, metallurgry, architecture, sewage disposal, environmental protection, aerospace, heat exchanger, etc. Extensively.



Material Grade Specification:


American Standard

Austenitic Steel:

TP304 (0Cr18Ni9), TP304H (1Cr18Ni9), TP316Ti (0Cr18Ni12Mo2Ti),

TP304L (00Cr19Ni10), TP316 (0Cr17Ni12Mo2), TP316L (00Cr17Ni14Mo2),

TP310S (0Cr25Ni20, 2520), TP321H (0Cr18Ni11Ti), TP317L (00Cr19Ni13Mo3),

TP317 (0Cr19Ni13Mo3), TP347 (0Cr18Ni11Nb), TP347H (1Cr19Ni11Nb), TP321 (0Cr18Ni10Ti),

Duplex Steel :

S32101, S32205, S31803, S32304, S32750, S32760

Others: TP405, TP409, TP410, TP430, TP439, ...

European Standard

1.4301, 1.4307, 1.4948, 1.4541, 1.4878, 1.4550, 1.4401, 1.4404, 1.4571, 1.4438,

1.4841, 1.4845, 1.4539, 1.4162, 1.4462, 1.4362, 1.4410, 1.4501






Bright Annealed Stainless Steel Boiler Tube



Material Grade

TP304/TP304L /TP316/ TP316L /TP316Ti /TP347/ TP347H /TP321/ TP321H/TP310S/TP310H/TP904L


2132 /2507/2520/2205


S31803, S32205 S32750 S32760 S32304 S32101

Outer Diameter

Seamless Pipe: 6mm - 114.3mm


Seamless Pipe: 1mm - 8mm; SCH 5/5S/10S/40s


5.0 - 5.8 MTR, 10 - 11.8 MTR or as customers' request


According to the Standard.


180G, 320G, 400G Satin/Hairline


400G, 500G, 600G or 800G Mirror finish

Manufacturing Process

Cold Drawn, Bright Annealed, Pickling


UT, ET, HT, RT, ect, and others according to the standard, or as the requests of the customers


ISO 9001, etc.

Packing Details

Plastic bags, in bundles, wooden cases or depend on buyer’ s requirement

Payment Terms

L/C, T/T, Western Union

Shipment Term

FOB, etc.

Delivery Time

Depend on the quantity


The Flow Chart of Production Process:

The Flow Chart of Stainless Steel Pipe Production Process


Competitive   Advantage:

1. We offer you our best price with good quality of the materials.

2. We will deliver the materials strictly according to the the delivery date noted on the contract.

3. We also always have the huge ready stock for sell.

4. We have advanced NDT equipments for the tests such as Eddy Current test, Ultrasonic test, Hydraulic test and so on.

5.We have complete after - sale service to deal with the problems in time.

6. Wooden case package which is strong and suitable for sea transportation is our main method to pack the pipes. And the economical packing method such as packing in bundles.



Chemical Composition of SS347 and SS347H:



SS 347

SS 347H


9 – 13

9 – 13


17 – 19

17 – 19


0.08 max

0.04 – 0.10


3 – 4

3 – 4




2 max

2 max


0.75 max

0.75 max


0.03 max

0.03 max


0.045 max

0.045 max

Co + Ta

10xC min
1.00 max

8xC min
1.00 max



Mechanical & Physical Properties of SS347/347H:



8.0 g/cm3

Melting Point

1454 ° C (2650 ° F)

Tensile Strength

Psi – 75000, MPa – 515

Yield Strength (0.2%Offset)

Psi – 30000, MPa – 205


35 %

Related products:More>>

Tel No:+86-18267732328 / Fax No :86-0577-56809281 /
Address:Longwan District, Wenzhou, Zhejiang Province, China.

Copyright Notice © Yaang Pipe Industry Co., Limited All rights reserved.

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