1. Products: ASME SA789 UNS S31803/SAF2205 Seamless Duplex Stainless Steel Tube 2. Process method: cold drawn duplex stainless tubes,cold rolled stainless steel tubing 3. Surface finish: annealing, pickling and polishing as required 4. Application:stainless tubes for boiler,heat-exchanger,air cooling,fluid transport 5. Material Grades: S31803, S31500, S32205/SAF2205, S32304/SAF2304, S32750/SAF2507, S32760; 1.4410, 1.4362, 1.4462, X2CrNiMoN25-7-4, X2CrNiMoN22-5-3, X2CrNiMo18-14-3, etc. 6. Specifications: ASTM A923, SA/A789, SA/A790, SB/B677, DIN 17456, EN10216-5, etc. 7. Size: A) NPS: 3/8" to 6" B) Schedule: 10S, 40/40S, 80/80S, 120, 160, XS, C) O. D.: 15 mm to 168 mm D) W. T.: 0.7 mm to 10 mm E) Length: Max. 25 meters 8. Packaging: seaworthy wooden case/steel framed plywood case/bundles packaging dependi…