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ASME SA179 WT 0.035'' Seamless Stainless Steel U Bends Tube

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

—— Nathalie Gulli - Mexico

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

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

—— Massimiliano Rossi - Italy

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ASME SA179 WT 0.035'' Seamless Stainless Steel U Bends Tube

ASME SA179 WT 0.035'' Seamless Stainless Steel U Bends Tube
ASME SA179 WT 0.035'' Seamless Stainless Steel U Bends Tube

Large Image :  ASME SA179 WT 0.035'' Seamless Stainless Steel U Bends Tube

Product Details:
Place of Origin: CHINA
Brand Name: SPEZILLA
Certification: ISO9001:2008
Model Number: ASME SA213 ASTM A213
Payment & Shipping Terms:
Minimum Order Quantity: Negotiation
Price: Negotiation
Packaging Details: WOODEN BOXED
Delivery Time: WITHIN 30 DAYS
Payment Terms: T/T, L/C
Supply Ability: 100 TONS / MONTH
Detailed Product Description
Tube Spec: ASME SA179 Material: SA179
Shape: Carbon Steel U Bend Tube Product Name: U Bend Tube For Heat Exchanger
Tube Type: SEAMLESS COLD DRAWN Size: 1/2'' - 1''
W.T.: 0.035'' - 0.120'' Finish: Oiled
Package: Wooden Case Application: Heat Exchanger
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ASTM A179 / ASME SA179 standard covers minimum-wall thickness, seamless cold-drawn low-carbon steel tubes for tubular heat-exchangers, condensers, and similar heat transfer apparatus. ASTM A179 / ASME SA179 standard requires that the tubes be heat treated after the final cold drawn pass at a temperature of 1200°F [650°C] or higher.



ASTM A179 U-Bending tubes are widely used in Heat-exchangers.

U-bent tubes for heat exchangers applied mostly in oil and gas plants, chemical and petrochemical plants, refineries, power plants and renewable energy plants. Low fin tubes can be supplied in the form of U bends.

ASTM A179 Tube Chemical Compositions
A179 Chemical Components (%)
C Si Mn P S Mo Cr V
0.06-0.18 / 0.27-0.63 ≤0.035 ≤0.035 / / /


ASTM A179 Tube Mechanical Properties


A179 Mechanical properties
Strength (Mpa)
Strength (Mpa)
≥325 ≥180 ≥35 ≤72


ASTM A179 Tube Wall Thickness Tolerance


A179 Seamless, Cold-Finished Tubes
Outside Diameter
In. (mm)
Wall thickness Tolerance %
Over (+) Under (-)
1 ½ (38.1)
and under
20 0
Over 1½ (38.1) 22 0


ASTM A179 Tube Outside Diameter Tolerance


A179 Cold-Finished Seamless Tubes
Outside Diameter
In. (mm)
Permissible Variations In. (mm)
Over (+) Under (-)
Under 1 (25.4) 0.004 (0.1) 0.004 (0.1)
1 to 1 ½ (25.4 to 38.1), Incl 0.006 (0.15) 0.006 (0.15)
Over 11⁄2 to 2 [38.1 to 50.8], Excl 0.008 (0.2) 0.008 (0.2)
2 to 21⁄2 [50.8 to 63.5], Excl 0.010 (0.25) 0.010 (0.25)
21⁄2 to 3 [63.5 to 76.2], Excl 0.012 (0.3) 0.012 (0.3)


Technical standards:


Other specifications or special requirements available upon request. Copies of common standard specifications are available on request.




After heat treatment all U-tubes are hydrotested.


Minimum holding time at the required pressure is 5 sec.


All tubes are dried and carefully cleaned after testing.


Measuring, cutting, deburring, cleaning:


U-bends are measured exactly in accordance with relevant standards, or to customer’s specification.


All tubes are cut to the specified leg lengths, ends are deburred and the tubes are internally cleaned with air.


Before packing, both ends are capped with plastic caps.




In strong, open or closed, wooden boxes depending on destination - max. 8,000 kg.


Ends of tubes protected by plastic caps.


Vertical separators for each radius.


Chloride free plastic separators between each row, every 2 meters.


Each bundle is covered with plastic.


Customers can provide a packing drawing.


Packing lists, covered with plastic, are placed on each wooden box for easy identification of order details – including exact list of radii and lengths inside.



ASME SA179 WT 0.035'' Seamless Stainless Steel U Bends Tube 0

Contact Details
Spezilla Tube Co., Ltd. (Shanghai)

Contact Person: Will Ma

Tel: +86 13918539222

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