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ASTM A192 Seamless Steel Tube is applied as minimum-wall-thickness, seamless carbon steel boiler and superheater tubes for high-pressure service, AGICO supplies ASTM A192 steel tube in hot rolled and cold drawn delivery state, It is generally used for high-pressure boiler (working pressure does not exceed 9.8Mpa and the working temperature between 450 ℃ -650 ℃) heating surface tubes, header, economizer, superheater, reheater.
STANDARD OF ASTM A192 GR.A heat ex changer tube
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Standard |
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Chemical Composition Max(%) |
Mechanical Properties |
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Grade |
c |
Si |
Mn |
P |
S |
Mo |
Cr |
V |
Tensile STrength (Mpa) |
Yield STrength(Mpa) |
Elongation(%) |
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ASTM |
A192 |
0.06-0.18 |
0.25 |
0.27-0.63 |
≤0.035 |
≤0.035 |
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/ |
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≥325 |
≥180 |
≥35 |
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A192 |
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Wall Thickness & Tolerance OF ASTM A192 heat ex changer tube
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Outside Diameter, mm |
Tolerance, % |
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Hot rolled |
OD≤101.6, WT≤2.4 |
+40/-0 |
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OD≤101.6, 2.4＜WT≤3.8 |
+35/-0 |
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OD≤101.6, 3.8＜WT≤4.6 |
+33/-0 |
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OD≤101.6, WT>4.6 |
+28/-0 |
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OD>101.6, 2.4＜WT≤3.8 |
+35/-0 |
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OD>101.6, 3.8＜WT≤4.6 |
+33/-0 |
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OD>101.6, WT>4.6 |
+28/-0 |
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Outside Diameter, mm |
Tolerance, % |
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Cold Drawn |
OD≤38.1 |
+20/0 |
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OD>38.1 |
+22/0 |
Outer Diameter & Tolerance OF ASTM A192 heat ex changer tube
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Outside Diameter, mm |
Tolerance, mm |
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Hot rolled |
OD≤101.6 |
+0.4/-0.8 |
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101.6＜OD≤177.8 |
+0.4/-1.2 |
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Outside Diameter, mm |
Tolerance, % |
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Cold Drawn |
OD＜25.4 |
±0.10 |
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25.4≤OD≤38.1 |
±0.15 |
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38.1＜OD＜50.8 |
±0.20 |
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50.8≤OD＜63.5 |
±0.25 |
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63.5≤OD＜76.2 |
±0.30 |
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76.2≤OD≤101.6 |
±0.38 |
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101.6＜OD≤177.8 |
+0.38/-0.64 |
DIMENSION SPECIFICATIONS OF ASTM A192 heat ex changer tube
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OD (mm) |
Wall Thickness (mm) |
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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 |
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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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Φ80 |
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Φ83 |
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Φ89 |
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Φ95 |
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Φ102 |
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Φ108 |
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Φ114 |
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Φ121 |
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Φ127 |
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Φ133 |
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Φ140 |
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Φ146 |
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Φ152 |
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Φ159 |
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Φ168 |
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ASTM A192:Seamless carbon steel boiler tubes for high-pressure service
Round Pipe Billet → Heating → Punching → Pipe Head Treatment → Annealing →Acid Pickling →
Coating Oil (Copper Plating) → Multi-pass Cold Drawing or Cold Rolling → Pipe Billet → Heat Treatment → Straightening → Hydrostatic Test or Inspection → Marking → Warehousing
