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Spezilla Tube Co., Ltd.

Spezilla is really a professional supplier, they always give us technical advice and provide good quality tubes with very competitive price!

—— Thomas Hoover - United States

Good quality, fast delivery, Spezilla has been supplying heat exchanger tubes for our projects since 2008, we really appreciate your support!

—— Massimiliano Rossi - Italy

Spezilla supports our group very well, and now we are approved supplier of goverment, they are reliable and flexible! Spezilla always answers!

—— Jaime Arias - Argentina

Very competitive price and the tubes are well polished, we are very satisfied with Spezilla from our cooperation since year 2010.

—— Nathalie Gulli - Mexico

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Welded ASTM A778 Stainless Steel Tube TP321 TP347 Stainless Steel Round Tubing

China Welded ASTM A778 Stainless Steel Tube TP321 TP347 Stainless Steel Round Tubing supplier
Welded ASTM A778 Stainless Steel Tube TP321 TP347 Stainless Steel Round Tubing supplier Welded ASTM A778 Stainless Steel Tube TP321 TP347 Stainless Steel Round Tubing supplier Welded ASTM A778 Stainless Steel Tube TP321 TP347 Stainless Steel Round Tubing supplier Welded ASTM A778 Stainless Steel Tube TP321 TP347 Stainless Steel Round Tubing supplier

Large Image :  Welded ASTM A778 Stainless Steel Tube TP321 TP347 Stainless Steel Round Tubing

Product Details:

Place of Origin: CHINA
Brand Name: SPEZILLA
Certification: ISO9001:2008, PED 97/23/EC
Model Number: ASTM A788

Payment & Shipping Terms:

Minimum Order Quantity: Negotiation
Price: Negotiation
Packaging Details: PLY-WOODEN CASE / BUNDLE WITH PLASTIC CAP
Delivery Time: 10 DAYS
Payment Terms: T/T or L/C
Supply Ability: 1000 TONS / MONTH
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Detailed Product Description
Materials: 304,316L,321,ect. O.D.: 1/2'' - 24''
W.T.: SCH5S - 80S Length MAX: 12000MM Max.
Pipe Finish: Welded Standard: ASTM A788

AS WELDED ASTM A778 Stainless Steel Tube Supplier TP321 TP347

 

 

SPEZILLA supplies welded tube per ASTM A 788 as rolled and welded. We supply common grades of stainless such as 304/304L and 316/316L in standard tube sizes and wall thicknesses, as well as more challenging stainless welded tube requirements including 304H, 316H, 309/S, 310/S, 317/L, 321/H, 347/H, 410, 410S, Duplex 2205, Duplex 2507, and more.

 

We can even supply material with wall thicknesses up to 3″ thick! Diameters sizes range from 1/8″ up to 96″. All welded tube products can be cut to size. Specialty testing services can also be provided. Stainless tubes can be polished per request and cut to size.

 

Stainless Steel Round Tube Standards:

 

A/SA 213 (ASTM/ASME A/SA213): Standard Specification for Seamless Ferritic and Austenitic Alloy-Steel Boiler, Superheater, and Heat-Exchanger Tubes

 

A/SA 249 (ASTM/ASME A/SA249): Standard Specification for Welded Austenitic Steel Boiler, Superheater, Heat-Exchanger, and Condenser Tubes

 

A/SA 268 (ASTM/ASME A/SA268): Standard Specification for Seamless and Welded Ferritic and Martensitic Stainless Steel Tubing for General Service

 

A269 (ASTM A269): Standard Specification for Seamless and Welded Austenitic Stainless Steel Tubing for General Service

 

A 270 / BPE (ASTM A270): Standard Specification for Seamless and Welded Austenitic Stainless Steel Sanitary Tubing

 

A/SA 312 (ASTM/ASME A/SA3120): Standard Specification for Seamless, Welded, and Heavily Cold Worked Austenitic Stainless Steel Pipes

 

A/SA358 (ASTM/ASME A/SA358): Standard Specification for Electric-Fusion-Welded Austenitic Chromium-Nickel Alloy Steel Pipe for High-Temperature Service

 

A/SA376 (ASTM/ASME A/SA376): Standard Specification for Seamless and Welded Austenitic Stainless Steel Pipe for High-Temperature Central-Station Service

 

A511 (ASTM A511): Standard Specification for Seamless Stainless Steel Mechanical Tubing

 

A554 (ASTM A554): Standard Specification for Welded Stainless Steel Mechanical Tubing

 

A 778 (ASTM A778): Standard Specification For Welded, Unannealed Austenitic Stainless Steel Tubular Products

 

A/SA 688 (ASTM/ASME A/SA 688): Standard Specification for Seamless and Welded Austenitic Stainless Steel Feedwater Heater Tubes

 

A/SA 789 (ASTM/ASME A/SA 789): Standard Specification for Seamless and Welded Ferritic/Austenitic Stainless Steel Tubing for General Service

 

A/SA790 (ASTM/ASME A/SA 790): Standard Specification for Seamless and Welded Ferritic/Austenitic Stainless Steel Pipe

 

AS-WELDED SPECIFICATIONS ASTM A778 TOLERANCES, INCHES

Nominal Pipe
Size (Inches)

OD

Wall

Cut
Length

Over

Under

1/8 to 1-1/2

1/64

1/32

+4.5% to
-12.5%

+1/4
-0

Over 1-1/2 to 4

1/32

1/32

Over 4 to 8

1/16

1/32

Over 8 to 18

3/32

1/32

 

 

AS-WELDED SPECIFICATIONS ASTM A778 TENSILE REQUIREMENTS

Grade

UNS
Designation

Tensile
Strength, min
ksi (MPa)

Yield
Strength
min, ksi (MPa)

Elongation in 2
in. (50 mm)
min, %

TP304L

S30403

70 (485)

25 (170)

40

TP316L

S31603

70 (485)

25 (170)

40

TP317L

S31703

75 (515)

30 (205)

35

TP321

S32100

75 (515)

30 (205)

40

TP347

S34700

75 (515)

30 (205)

40

 

 

 

Welded ASTM A778 Stainless Steel Tube TP321 TP347 Stainless Steel Round Tubing

Contact Details
Spezilla Tube Co., Ltd.

Contact Person: Anna Zheng

Tel: +8615221370790

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