ASTM A179 U bending tubes Shipping details:
Description: ASTM A179 SEAMLESS U bending tubes
Standard: ASTM A179
Grade: A179
Delivery Condition: Normalizing
Size: OD.25.4mm; WT. 2.769mm; Leg Length 6096mm
Quantity: 439pcs (9486kgs)
Importer Country: Venezuela
Production time: 2021-8
Supplier: CTS TUBES (Send email to us for details: [email protected])
ASTM A179 Standard requires minimum-wall thickness, seamless cold-drawn low-carbon steel tubes for tubular heat exchangers, condensers, and similar heat transfer apparatus.
ASTM A179 Tubes Shall conform to the applicable requirements of the current edition of Specification A 450/A 450M unless otherwise provided herein.
Standard: ASTM A179 / ASME SA 179
Click to download the details of ASTM A179 Heat Exchanger U-Tubes Shipment pdf.
3/4” (19.05mm)
1” (25.4mm)
1¼” (31.75mm)
1½” (38.1mm)
2” (50.8mm)
2½” (63.5mm)
3” (76.2mm).
Wall Thickness BWG (mm):
16BWG (1.651mm)
14BWG (2.108mm)
12BWG (2.769mm)
10BWG (3.404mm)
8BWG (4.191mm).
Shape: Straight or U Bend.
End: No Burrs and chafing end according to Drawing
Grade: A179/SA179
Condition: The purchaser shall specify a sizing method and if required, a thermal treatment.
Sizing Methods:
HF-Hot Finished,
CW-Cold worked,
RT-Rough Turned,
G- Ground.
Thermal Treatments:
A-Annealed,
N- Normalized,
QT-Quenched and Tempered,
SR-Stress Relieved or Finished Anneal.
ASTM A179 seamless tubing Chemical Composition (%):
Grade | C | Mn | P≤ | S≤ |
A179 | 0.06-0.18 | 0.27-0.63 | 0.035 | 0.035 |
U bending tubes ASTM A179 drawing
Outside Diameter Tolerances for A179 tubes
OD. 25.4mm (+0.1/-0.1mm)

ASTM A179 Heat Exchanger U-Tubes OD inspection
Wall Thickness Tolerances for A179 tubes
WT.:2.769mm (+0.5/-0mm)

ASTM A179 Heat Exchanger U-Tubes WT inspection
The U bend part of A179 U TUBE

ASTM A179 Heat Exchanger U-Tubes Bent Part
Mechanical Test Requirements:
Hardness Test; Tension Tests; Nondestructive tests; Steel Cleanliness; Hardenability; Flaring Test
Note:
- Mill test certificates will be issued according to EN10104.3
- All tubes shall be supplied as per applicable ASTM A179 Specification.
- The tubes Shall be Seamless, and the test Methods and Definitions for Mechanical Testing of Steel Products.
- Orders for material under A179 should include the Quantity (Feet, weight, or the number of pieces), Name of material (Seamless carbon or alloy steel mechanical tubing), and Form (round, square, rectangular, or unique shapes).
- Orders for material under A179 should provide delivery conditions (A, N, QT, SR)
Packing
- Packed in a wooden box, wrapped in plastic, and suitably protected for sea-worthy delivery or as requested.
Packing Photos:

ASTM A179 Heat Exchanger U-Tubes
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