ASTM A 179 covers minimum-wall thickness, seamless cold-drawn low-carbon steel tubes for tubular, heat exchanger, condensers, and other heat transfer services. seamless ASTM A 179 steel pipe is supplied and produced by cold drawning.
Applications: For tubular heat exchangers,condensers,and similar heat transfer apparatuses.
Chemical composition contains carbon, manganese, phosphorus, and sulfur. Test required: hardness test, flattening test, flaring test, flange test, and hydrostatic test.
Chemistry Composition:
C, % |
Mn, % |
P, % |
S, % |
0.06-0.18 |
0.27-0.63 |
0.035 max |
0.035 max |
Mechanical Properties:
Tensile Strength, MPa |
Yield Strength, MPa |
Elongation, % |
Hardness, HRB |
325 min |
180 min |
35 min |
72 max |
Outside Diameter & Tolerance
Outside Diameter, mm |
Tolerance, mm |
3.2≤OD＜25.4 |
±0.10 |
25.4≤OD≤38.1 |
±0.15 |
38.1＜OD＜50.8 |
±0.20 |
50.8≤OD＜63.5 |
±0.25 |
63.5≤OD＜76.2 |
±0.30 |
76.2 |
±0.38 |
Wall thickness & Tolerance
Outside Diamter, mm |
Tolerance, % |
3.2≤OD＜38.1 |
+20/-0 |
38.1≤OD≤76.2 |
+22/-0 |
Length: 5800mm; 6000mm; 6096mm; 7315mm; 11800mm; and so on.
Max length: 27000mm, also U bending can be offered.
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