ASTM A179,ASME SA179 Seamless cold-drawn Heat-Exchanger and Condenser Tubes
ASTM A179,ASME SA179 steel tubes 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 covers tubes 1/8 to 3 in. [3.2 to 76.2 mm], inclusive, in outside diameter.
ASTM A179,ASME SA179 Seamless Heat-Exchanger and Condenser Tubes Quick Details
Manufacture:Seamless process ,cold drawn.
Wall thickness(WT): 2.0 mm--12.7 mm.
Outer diameter (OD): 12.7mm--76.2 mm
Length: 6M or specified length as required.
Ends: Plain End, Beveled End, Treaded
Additional Info
Port of Shipment: Tianjin, China
Payment Terms:T / T, LC
Delivery: 7-15 days after payment
Surface: Tubes will be varnished (Outside only) to prevent rust.
Marking: Standard + Steel Grade + Size + Heat No + Lot No
Package: Bundles (hexagonal),Wooden Boxes,Crates (steel/wooden) or as required
ASTM A179,ASME SA179 Seamless Tube Specification:
| OD (mm) |
Wall Thickness(mm) |
| 2 |
2.5 |
3 |
3.5 |
4 |
4.5 |
5 |
6 |
6.5-7 |
7.5-8 |
8.5-9 |
9.5-10 |
11 |
12 |
| Φ25-Φ28 |
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| Φ32 |
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| Φ34-Φ36 |
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| Φ38 |
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| Φ40 |
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| Φ42 |
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| Φ45 |
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| Φ48-Φ60 |
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| Φ63.5 |
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| Φ68-Φ73 |
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| Φ76 |
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Manufacture
ASTM A179,ASME SA179 steel tubes are made by the seamless process and shall be cold drawn.
Heat Treatment of ASTM A179,ASME SA179
ASTM A179,ASME SA179 steel tubes are heat treated after the final cold draw pass at a temperature of 1200°F [650°C] or higher.
Chemical Composition of ASTM A179,ASME SA179 Seamless Heat-Exchanger and Condenser Tubes
| Material |
Chemical Composition(%) |
| C |
Si |
Mn |
P |
S |
| ASTM A179 |
0.06-0.18 |
≤ 0.25 |
0.27-0.63 |
≤0.035 |
≤0.035 |
Mechanical Propertie of ASTM A179,ASME SA179 Seamless Heat-Exchanger and Condenser Tubes
| Grade |
ASTM A179 |
| Tensile Strength(MPa) |
≥325 |
| Yield Strength(MPa) |
≥180 |
| Elongation,% |
≥35 |
| Hardness, HRB |
≤72 |
Note -Tubing smaller in outside diameter and having a thinner wall than indicated in this specification is available. Mechanical property requirements do not apply to tubing smaller than 1/8 in. [3.2 mm] in outside diameter or with a wall thickness under 0.015 in. [0.4 mm].
The dimensional tolerances of ASTM A179,ASME SA179 Seamless Heat-Exchanger and Condenser Tubes
Tolerances of Wall Thickness
Outside
Diameter,
in. [mm] |
Wall Thickness, % |
| 0.095[2.4] and Under |
Over 0.095 to 0.150
[2.4 to 3.8], incl |
Over 0.150 to 0.180
[3.8 to 4.6], incl |
Over 0.180,[4.6] |
| Over |
Under |
Over |
Under |
Over |
Under |
Over |
Under |
| Seamless, Cold-Finished Tubes |
| |
Over |
Under |
| 1 1 ⁄ 2 [38.1] and under |
20 |
0 |
| Over 1 1 ⁄ 2 [38.1] |
22 |
0 |
Tolerances of Outside Diameter
| 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 1 ⁄ 2 [25.4 to 38.1], incl |
0.006 [0.15] |
0.006 [0.15] |
| Over 1 1 ⁄ 2 to 2 [38.1 to 50.8], excl |
0.008 [0.2] |
0.008 [0.2] |
| 2 to 2 1 ⁄ 2 [50.8 to 63.5], excl |
0.010 [0.25] |
0.010 [0.25] |
| 2 1 ⁄ 2 to 3 [63.5 to 76.2], excl |
0.012 [0.3] |
0.012 [0.3] |
| 3 to 4 [76.2 to 101.6], incl |
0.015 [0.38] |
0.015 [0.38] |
| Over 4 to 7 1 ⁄ 2 [101.6 to 190.5], incl |
0.015 [0.38] |
0.025 [0.64] |
| Over 7 1 ⁄ 2 to 9 [190.5 to 228.6], incl |
0.015 [0.38] |
0.045 [1.14] |
Tolerances of Length
Method of
Manufacture |
Outside
Diameter,
in. [mm] |
Cut Length,in. [mm] |
| Over |
Under |
| Seamless, cold-finished |
Under 2 [50.8] |
1 ⁄ 8 [3] |
0 [0] |
| 2 [50.8] and over |
3 ⁄ 16 [5] |
0 [0] |
| 2 [50.8] and over |
3 ⁄ 16 [5] |
0 [0] |
Mechanical Tests Required
(1)Flattening Test-One flattening test shall be made on specimens from each of two tubes from each lot or fraction thereof.
(2)Flaring Test-One flaring test shall be made on speci- mens from each of two tubes from each lot or fraction thereof.
(3) Flange Test-When specified as a substitute for the flaring test, for tubes having a wall thickness (actual mean wall) less than 10 % of the outside diameter, one test shall be made on specimens from each of two tubes
(4)Hardness Test-Rockwell hardness tests shall be made on specimens from two tubes from each lot.
(5) Hydrostatic Test-Each tube shall be subjected to the hydrostatic test, or a nondestructive electric test
Surface Condition
Finished tubes shall be free of scale. A slight amount of oxidation will not be considered as scale.
Product Marking
In addition to the marking prescribed in Specification A450/A450M, the marking shall include the name and order number of the purchaser.
Note: Material furnished under ASTM A179,ASME SA179 conform to the applicable requirements of the current edition of Specification A450/A450M
Photos of ASTM A179,ASME SA179 Seamless Heat-Exchanger and Condenser Tubes
Application:
ASTM A179,ASME SA179 seamless cold-drawn low-carbon steel tubes for tubular heat exchangers, condensers, and similar heat transfer apparatus.
Ordering Information
Orders for material includes the following, as required, to describe the desired material adequately:
(1) Quantity (feet, metres, or number of lengths),
(2) Name of material (seamless tubes),
(3) Manufacture (cold-drawn),
(4) Size (outside diameter and minimum wall thickness),
(5) Length (specific or random),
(6) Test report required (Certification Section of Specifi- cation A450/A450M),
(7) Specification number, and
(8) Special requirements.
Company Profile
Shanshui Special Steel is a leading manufacturer & exporter of carbon and alloy steel seamless tubes and pipes ,self driling anchor hollow bar and rock bolt . so forth we are dedicated to give top quality and honest reputation to every one of its clients.
Founded on February ,2014 ,Shandong Shanshui Special Steel Co.,Ltd was registered with capital of 30.5 million and total assets of 80 million.Headquater is located in Liaocheng City which is called Venice of China .Our Fatcory is located in Zhangshan Industrial Park,Liaocheng ,Shandong,China.Our company has been sepcialized in production, processing and sales of seamless steel pipe and self drilling anchor hollow bar. The production workshop currently has hot-rolling production lines for manufacturing 500,000 tons of seamless steel pipes . The pipe rolling equipment adopts industrial programmable PLC control system, which realizes automatic and manual rolling control of the rolling process, ensures product quality stability and production continuity, increases production capacity, ensures quality, and has passed ISO9001 :2015 standard quality management system certification.
Our factory has four major production workshops including Shanshui Special Steel of 76 productin Lines and 90 production Lines, Zeno Precision, and Bailian Specail Steel , which integrates production, processing, selling and developing new product .
Jiujiu Special Steel mainly produces hot rolled seamless pipes
76 productin Lines : outer diameter ranging from 57mm to 102 mm.
Thickness ranging from 8mm to 20mm. 90 productin Lines
outer diameter ranging from 65mm to 147mm.
Thickness ranging from 10mm to 40mm.
Zeno Precision mainly produces cold rolled seamless pipes 10 sets of cold rolling machines
outer diameter ranging from 20 mm to 120mm.
Thickness ranging from 8mm to 20mm.
Bailian Specail Steel produces small-diameter hot-rolled seamless steel pipes
outer diameter ranging from 38mm to 70mm.
Thickness ranging from 4 mm to 9 mm.
Detailed Photos
Packaging & Shipping
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