ASTM A192 boiler pipes chemical and mechanical properties
ASTM A192 belong to
seamless pipes, which is specially designed for high, middle and low pressure purpose in seamless carbon steel boiler as super heater tubes.
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ASTM A192---American Society for Testing Materials Standard
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ASME SA192---American Society of mechanical Engineers Standard
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Click HERE to watch a video about seamless pipes manufacturing process.
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Chemistry Composition of ASTM A192 Boiler Pipe
|
C, % |
Mn, % |
Si, % |
P, % |
S, % |
|
0.06-0.18 |
0.27-0.63 |
0.25 max |
0.035 max |
0.035 max |
|
Tensile Strength , MPa |
Yield Strength , MPa |
Elongation, % |
Hardness, HB, WT≥5.1mm |
Hardness, HRB, WT＜5.1mm |
|
325 min |
180 min |
35 min |
137 max |
77 max |
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Outside Diameter & Tolerance
|
Hot rolled |
Outside Diameter, mm |
Tolerance, mm |
|
OD≤101.6 |
+0.4/-0.8 |
|
101.6＜OD≤177.8 |
+0.4/-1.2 |
|
Cold Drawn |
Outside Diameter, mm |
Tolerance, mm |
|
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≤OD≤101.6 |
±0.38 |
|
101.6＜OD≤177.8 |
+0.38/-0.64 |
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Wall thickness & Tolerance
|
Hot rolled |
Outside Diameter, mm |
Tolerance, % |
|
OD≤101.6, WT≤2.4 |
+40/-0 |
|
OD≤101.6, 2.4＜WT≤3.8 |
+35/-0 |
|
OD≤101.6, 3.8＜WT≤4.6 |
+33/-0 |
|
OD≤101.6, WT>4.6 |
+28/-0 |
|
OD>101.6, 2.4＜WT≤3.8 |
+35/-0 |
|
OD>101.6, 3.8＜WT≤4.6 |
+33/-0 |
|
OD>101.6, WT>4.6 |
+28/-0 |
|
Cold Drawn |
Outside Diameter, mm |
Tolerance, % |
|
OD≤38.1 |
+20/-0 |
|
OD>38.1 |
+22/-0 |
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Length: 5800mm; 6000mm; 6096mm; 7315mm; 11800mm; and so on.
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Max length: 27000mm, also U bending can be offered.
