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Boiler tubes, heat exchanger tubes

Welded pipes

L, LL, KLM finned tubes (finned tubes)

G embedded fin tubes (finned tubes)

(serrated) extruded finned tubes

high frequency welded (serrated) fin tubes (finned tubes)

Laser welded fin tubes (finned tubes)

hot dipped galvanized oval (elliptical) finned tubes, rectangular fin tubes

condenser fin flat tubes

inner finned tubes (finned tubes)

Studded Pipes

H / double H fin tubes (finned tubes)

longitudinal fin tubes (finned tubes)

Tube finning machine

Aluminum plates, strips,foils

Aluminum welding wire rod

Aluminum tubes, profile

Economizer for Boiler

air-cooled heat exchanger (air cooler)

seamless fin tubes with two longitudinal opposite fins

material

cast pipes

standard & specification

 
 
Alloy C-276

alloy C-276C-276C-276- Chemical Composition: in % max.
C:0,01; Si:0,08; Mn:1,0; Fe:4-7; Ni:57Rest; Cr:14,5-16,5; S:0,03; p:0,04; Mo:15-17; W:3-4,5; Co:2,5; V:0,35
Mechanical Properties - at room temperature - solution annealed condition
0,2 % yield strength min.283 N/mm2
tensile strength min.690 N/mm2
elongation (A5) min.40%


Specification:Seamless Tubes: ASTM-B.622
Welded Tubes: ASTM-B-619/626
Plates/Sheets: ASTM-B-575
Fittings: ASTM-B-366
Flange: ASTM-B-564
Specific Weight: 8,88 kg/dm3
Melting range ca. 1323° Celsius
Welding methods: Arc welding. TIG (Details on request)
Product forms: Tubes and pipes. sheets and plates.
bars. wire and forgings, fittings and flanges

 
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