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| Inner Riffled Boiler Tube-ASTM A210,ASTM A213 |
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| Model No.︰ | - |
| Brand Name︰ | - |
| Country of Origin︰ | - |
| Unit Price︰ | - |
| Minimum Order︰ | - |
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| Specifications︰ | ★ The products are suitable for making water wall in power plant boilers which is able to eliminate steam film inside ol tubes and improve the rmal efficiency.
★ The products are produced by cold drawing method to forming internal spiral ribs with special geometry size. Finished products shall be heat treated in atmosphere controlled furnace to achieve stable mechanical properties and good su rface quality.
★ The products can be ordered according to customers`design requirements.
★ Main steel grades：20G,25MnG,15CrMoG,SA-210A1/C,SA-213 T2/T12
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| ASTM A213,T2 T5 T5b,T5c,T9,T11,T12,T22,T23,T5,T91,T92-Heat Exchanger & Cond Tube |
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