CuNi70/30 , CuNi90/10 , 26FPI With Internal Rib Condenser Low Fin Tubes
Quick Detail:
| General Low Fin Tubes Production Capacity | Specifications of Low Fin Tubes('N' Fins) |
Finning Facility: 10 finning machines; Daily capacity up to 3000 meters; |
Tube OD: 12.7 mm~25.4mm Tube Length: 18 meters max. Fin Height: 1.2 mm ~2.77mm Fin Thickness: appr. 0.3mm Fin Pitch: 30 FPI /28 FPI/ 26 FPI/ 36 FPI /43 FPI |
Description:
Manufacturing process: The fins are rolled out of outer wall of the plain tubes by a pass roller. Tubes and fins are in same piece tube. We call it “N” fin type.
More Carbon Steel Tube Materials Sheet We're Supplying:
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Chinese Standard |
Steel Grade/ No. |
American Standard |
Steel Grade/ No. |
|
GB5310 |
20G,15MoG,12CrMoG, 12Cr2MoG,15CrMoG, 12Cr1MoVG, |
ASTM A106 |
GR. A,B,C |
|
GB9948 |
10,20,12CrMo,15CMo |
ASTM A53 |
GR.A,B |
|
GB3087 |
10,20 |
ASTM A192 |
|
|
|
|
ASTM A179 |
|
|
|
|
ASTM A210 |
A-1,C |
|
|
|
ASTM A333 |
GR.1,GR3,GR6 |
|
|
|
ASTM A334 |
GR.1,GR3,GR6 |
|
|
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ASTM A209 |
T1, Ta, Tb |
|
German standard |
Steel Grade/ No. |
Japanese standard |
Steel Grade/ No. |
|
DIN17175 |
ST35.8, ST45.8 |
JIS G3454 |
STPG370,STPG410 |
|
DIN1629 |
ST37.0, ST44.0, ST52.0 |
JIS G3461 |
STB340, STB410, STB440 |
|
British Standard |
Steel Grade/ No. |
European standard |
Steel Grade/ No. |
|
BS3059- |
320 |
EN10216-1 |
P195TR1/TR2,P235TR1/TR2, |
|
BS3059-S1/S2; TC1/TC2 |
360,440, |
EN10216-2 |
195GH,P235GH, |
Delivery Range of Low Fin Tubes
We can provide the integral low fin tubes with un-finned section gaps( 5mm Min.) in the middle of core tube OR bent with designed Bend Radius.
Quality Test:
The integral low fin tube quality is assured by hydrostatic or pneumatic tests, eddy current tests & MARCO tests in order to verify design specifications.
Acceptance Ceritia:
WOLVERINE / HPT / GEWA-K & GEWA-KS
Delivery Condition:
Tube ends are square cut, free burrs, internally dried and air blown clean, externally coated with varnish.
The desiccants are put into the each package fo
