01. Commodity: seamless duplex boiler, superheater and heatexchanger tubes.
02. Process method: cold drawn/cold rolled.
03. Surface finish: annealed, pickling and polishing as required.
04. Material: S31803, S31500, S32205/SAF2205, S32304/SAF2304,
S32750/SAF2507; 1.4462, 1.4410, with corresponding GB, ANSI, EN, JIS, BS & ISO
05. Specification: JIS G3463, DIN 17456/17458, DIN 2462, ASTM (ASME)A/SA789, BS3059/3606 & GB 13296.
06. Size (astm/ asme size as under, other standards of size is for ready choice)
a) O.D.: 1/4" to 3".
b) W.T.: 6 BWG, 8 BWG, 10 BWG, 12BWG, 14BWG, 16BWG, 18BWG, 20BWG,
07. Length: Max. 20 meters.
08. Applications: for boiler, superheater and heat-exchanger service.
09. Packing: plastic bags for each piece, then packed in seaworthy plywood case
or wooden cases.
10. Certificate: ISO 9001:2008, PED by LRQA, DNV, ASME by TUV