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304 Welded Stainless Steel Tubes With ASTM A249 For Heat Exchanger
Quick detail:
| Commodity Name | Stainless Steel Tubes |
| Manufacturing Mode | Longitudinally Welded |
| Brand Name | KORER |
| Standard | ASTM A249 |
| Material Grade | 304 / TP304 |
| Delivery Condition | Bright Annealing |
| Application | Heat Exchanger Tube |
| Certificate | ISO 9001-2008, Manufacture License Of Pressure Tube |
Description
Standards
| A249 Standard Specification For Welded Austenitic Steel Boiler,Superheater, Heat-Exchanger And Condenser Tubes. | ||
| Item | Contents | Requirements |
| 1 | Materail | TP304, TP304L, TP304H, TP310S, TP316, TP316L, TP316TI, TP316H, TP317L, TP321 |
| 2 | Welding method | TIG |
| 3 | Chemical Composition | Acc.to A249 and A480 |
| 4 | Heat Treatment | Bright Annealing Temperature 1040 |
| 5 | Straightness | 0.8mm/900mm |
| 6 | Tolerance | OD acc.to A1016/A1016M,WT +/-10% |
| 7 | Mechanical Property | Tension Test, Flattening Test, Flange Test, Reverse-Bend Test, Hardness Test, Hydrostatic Or Other Nondestructive Test, Grain Size, Reverse-Bend Test, Hardness Test |
| 8 | Intergranular Corrosion | Acc.To The Buyer's Requirements |
Mechanical Property:Enlongation 45%-65%
Expansion Test:Acc.To Astm A249 & ASTM A1016
Flange Test: Acc.To Astm A249 & Astm A1016
Flattening Test: Acc.To Astm A249 & Astm A1016
Hardness:HRB 75-90
