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1.1 This specification covers minimum-wall-thickness, seamless cold-drawn low-carbon steel tubes for tubular heat exchangers, condensers, and similar heat transfer apparatus.
1.2 This specification covers tubes 1/8 to 3 in. [3.2 to 76.2 mm], inclusive, in outside diameter.
1)Dimension:
OD3.2-76.2mm(1/8in-3in)
2)Standard:
ASTM A179
3)Technique:
Seamless and cold drawn
4)Surface treatment:
Varnish or black painted
5)Application:
Heat-exchanger and Condenser Tubes
6)类型的包:
Bundled and Packed in Seaworthy Bags, Plain Ends
7)Inspection :
EN 10204/3.1 or EN 10204/3.2 Mill Test Certificate, SGS, BV
8)Chemical Composition
C |
Mn |
P Max |
S Max |
Si Max |
0.06-0.18 |
0.27-0.63 |
0.035 |
0.035 |
0.25 |
9)Mechanical Property:
Tensile strength Ksi (Mpa) |
Min 47(325) |
Yield strength Ksi (Mpa) |
Min 26(180) |
Elongation(50mm)% |
Min 35 |
Hardness |
72HRB |
10)Manufacturing Process:
Seamless and cold-drawing
11)Heat treatment:
管应热处理after the final cold draw pass at a temperature of 1200°F or higher.
12)Surface Condition:
Finished tubes shall be free of scale,A slight amount of oxidation will not be considered as scale.
13)Mechanical Tests Required:
Flattening Test
Flaring test
Flange test
Hardness test
Hydrostatic test
ASME SA179 Cold Drawing Tubes - ASTM A179 Condenser Tubes - SA179 Heat Exchanger Tubes - ASME SA179 Seamless Pipes And Tubes - A179 Seamless Steel Tubes - SA179 Steel Tubes
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We always implement the lean concept to make sure that each Low Carbon Seamless Cold Drawing Steel Tube A179 is flawless and delivers the best user experience. We strive for the goal of 'being an industry leader'! In the future, we will keep pace with the times, continue to introduce talents, improve the management mechanism, providing users with better products and better services! Modern enterprise management is no longer just simple binding management, but every employee is also a participant of enterprise management.