| 1. Some sugguestion about problems during Galvanizing processing 2. welded pipes,ASTM A214, A249. A269, A178, SA789, etc 3. Steel tube's tolerances in dimensions 4. Fin tubes comparisons 5. DIN 17175 Seamless Tubes of Heat-resistant Steel 6. ASTM B359 / B359M - 02(2006) Standard Specification for Copper   and Copper-Alloy Seamless Condenser and Heat Exchanger Tubes With Integral   Fins. 7.  Steel tubes' standards, general used in boiler, heat exchangers in petrochemical industry 8. Steel tubes' standards 9. Steel tube's tolerances in dimensions 10. Stainless steel grades 11. material for pipe fittings 12. Martensitic stainless steel 13. Heat treatments methods 14. Duplex Steel S31803, S32250, S32750, etc. 15. DIN 17175 Seamless Tubes of Heat-resistant Steel 16. Boiler tubes ASTM A106, A210, A213, A335, etc. 17. ASTM A519 steel tubes4130 4140, etc. 18. ASTM B359 / B359M - 02(2006) Standard Specification for Copper   and Copper-Alloy Seamless Condenser and Heat Exchanger Tubes With Integral   Fins 19 Steel tubes' standards 20  Steel tubes' standards, general used in boiler, heat exchangers in petrochemical industry 21 : hot dipped galvanized oval (elliptical) finned tubes, rectangular fin tubes 22 : G embedded finned tubes 23 : L, LL, KLM finned tubes 24 : laser welded finned tubes 25 : welded finned tubes 26 : high frequency welded finned tubes 27 : nickel brazed welded finned tubes 28 : double H finned tubes 29 : inner finned tubes 30 : studded pipes 31 : serrated welded finned tubes 32 : total 16 Economizer modules delivered to customers  33:  laser welded tube finning machine is put into production 34: KLM tube finning machine is put into production and available for selling 35: boiler tubes and heat exchanger tubes SA179, SA192, ASTM A335 P22, P5 export 36. BWG.-Birmingham Wire Gauge or Stubs Iron Wire Gauge 37. EN 10216-2 16Mo3 Alloy Steel Tubes for Pressure Purpose 38. Procedure of hot dipped galvanized oval (elliptical) finned tubes, rectangular fin tubes 39. ASTM A335 Pipe Specifications 40. steel tubes (pipes) acc. to ASTM A209, ASTM A209M 41. ASTM A333 steel tubes 42. ASTM A334 alloy steel tubes for heat exchanger & boilers 43. ASME SA-214 welded carbon steel tubes 44. ASME SA 178 welded carbon steel tubes 45. Air pre-heaters, air heat exchanger 46. Pressure vessel plates ASTM A516 47. Vacuum furnace heat exchanger 48. Some sugguestion about problems during Galvanizing processing 49.  Steel tubes' standards, general used in boiler, heat exchangers in petrochemical industry 50. Steel tubes' standards 51. Steel tube's tolerances in dimensions 52. steel tubes (steel pipes) standards 53. oval tubes 54. Steel tube's tolerances in dimensions 55. Titanium tubes: Seamless |