Product Name | Seamless Boiler Tube |
Application | For High-pressure Fluids Transmission (boiler, heat exchanger, condenser) |
Size |
OD:
0.84'' ~ 28'' (21.3 ~ 711mm) WT: 0.091'' ~ 1.575'' (2.3 ~ 40mm) LENGTH: Fixed Length (5.8/6/11.8/12 mtr), SRL, DRL |
Standard |
ASTM A192 ASTM
A179 ASTM A209 ASTM A210 JIS G3461 JIS G3462 JIS3463 DIN17175 EN 10216-2 A213 T5,T9,T11,T22,T91 |
Surface | Bare, Lightly Oiled, Black/Red/Yellow Painting, Zinc/Anti-corrosive Coating |
End | Square Ends/Plain Ends (straight cut, saw cut, torch cut), Beveled/Threaded Ends |
Test Required | Chemical Analysis, Mechanical Test, Visusal Inspection , Tension Test, Dimension Check, Bend Test , Flattenting Test, Impact Test, DWT Test, NDT Test, Hydrostatic Test, Hardness Test |
Packing | Bundled/In Bulk, Plastic Caps Plugged, Waterproof Paper Wrapped |
Delivery Condition: BKS, NBK, BK, BKW, GBK(+A), NBK(+N), BK(+C)
Size |
Wall Thickness(mm) |
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O.D.(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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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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Standard |
Out Diameter |
Tolerance |
GB3087 |
≤180 |
±1.0%(min: ±0.5mm) |
GB5310 |
≤50 |
±0.5mm |
>50 |
±1.0% |
Standard |
Wall Thickness(mm) |
Tolerance |
GB3087 |
3-20 |
+15%,12.5% |
>20 |
±12.5% |
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GB5310 |
<3.5 |
+15%,-10% |
3.5-20 |
+15%,-10% |
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>20 |
±10% |
Standard |
Grade |
Chemical composition(%) |
Mechanical properties |
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C |
Si |
Mn |
P |
S |
Tensile Strength(Mpa) |
Yield Strength(Mpa) |
Elongation(%) |
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DIN17175 |
St35.8 |
≤0.17 |
0.10-0.35 |
0.40-0.80 |
≤0.030 |
≤0.030 |
360-480 |
≥235 |
≥25 |
St45.8 |
≤0.21 |
0.10-0.35 |
0.40-1.20 |
≤0.030 |
≤0.030 |
410-530 |
≥255 |
≥21 |