Ferrous & Non-ferrous Alloy

Welded Stainless Steel Tubes With ASTM A249 For Chemical Industry

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Quick detail:

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·Product Name:Stainless Steel Tubes

·Standard: ASME SA249 / ASTM A249

·Grade: 321, 304, 304L, 316, 316L, 317L, 2205, 441, 444 Etc.

·Outer Diameter : 6.00mm-101.6mm

·Wall thickness : 0.30mm-2.5mm

·Length: max.40000mm or as demand

·Surface finish: Bright Annealing, Anneal and Pickled, Polishing or Grind (180#,220#,240#,320#400#,600#)

·Manufacture technology: TIG Welding

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Applications:

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1.??Pipes for Liquid Delivery. | ? | ? | ? |
2.?Tubes for Power Industry(Thermal Power and Nuclear Power Staition) and Petrochemical Industry:Boiler, Heat-sink, Condenser and Heat-exchanger tubes |
3.?Tubes for Automotive Industry:Oil tube and Exaust System Tubes. | ? |
4.?Tubes for Medicine and Food Industry. | ? | ? | ? |
5.Tubes for Mechanical and Construction. | ? | ? | ? |
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Description:

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Material:

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Grade | Chemical Composition(%) | Remark | ? |
C≤ | Mn≤ | P≤ | S≤ | Si≤ | Cr | Ni | Mo | N | Cu | ? |
304 | 0.08 | 2.00 | 0.045 | 0.030 | 0.75 | 18.0~20.0 | 8.0~10.50 | 　 | 0~0.1 | 　 | 　 | ? |
304L | 0.030 | 2.00 | 0.045 | 0.030 | 0.75 | 18.0~20.0 | 8.0~12.0 | 　 | 0~0.1 | 　 | 　 | ? |
310S | 0.08 | 2.00 | 0.045 | 0.030 | 1.50 | 24.0~26.0 | 19.0~22.0 | 　 | 　 | 　 | 　 | ? |
321 | 0.08 | 2.00 | 0.045 | 0.030 | 0.75 | 17.0~19.0 | 9.0~12.0 | 　 | 0~0.1 | 　 | Ti≥5×(C+N), ≤0.70 | ? |
316 | 0.08 | 2.00 | 0.045 | 0.030 | 0.75 | 16.0~18.0 | 10.0~14.0 | 2.0~3.0 | 0~0.1 | 　 | 　 | ? |
316L | 0.030 | 2.00 | 0.045 | 0.030 | 0.75 | 16.0~18.0 | 10.0~14.0 | 2.0~3.0 | 0~0.1 | 　 | 　 | ? |
317 | 0.08 | 2.00 | 0.045 | 0.030 | 0.75 | 18.0~20.0 | 11.0~15.0 | 3.0~4.0 | 0~0.1 | 　 | 　 | ? |
317L | 0.030 | 2.00 | 0.045 | 0.030 | 0.75 | 18.0~20.0 | 11.0~15.0 | 3.0~4.0 | 0~0.1 | 　 | 　 | ? |
2205 | 0.030 | 2.00 | 0.030 | 0.020 | 1.00 | 21.0~23.0 | 4.50~6.50 | 2.50~3.50 | 0.08~0.20 | 　 | 　 | ? |
430 | 0.12 | 1.00 | 0.040 | 0.030 | 1.00 | 16.0~18.0 | ≤0.75 | 　 | 　 | 　 | 　 | ? |
409 | 0.08 | 1.00 | 0.045 | 0.030 | 1.00 | 10.5~11.7 | ≤0.50 | 　 | 　 | 　 | Ti≤0.75 | ? |
439 | 0.07 | 1.00 | 0.04 | 0.030 | 1.00 | 17.0~19.0 | ≤0.50 | 　 | 0~0.04 | 　 | Ti≥0.20+4× (C+N);≤1.10
Al≤0.15 | ? |
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Competitive Advantage:

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1)?ISO?System

2)Manufacture License of Pressure Tube

3)Production experience?about?20?years.

4)?Raw?Material?are from POSCO,BAO STEEL,TISCO,CRUPP ETC .

5)Market?-More?than?30?countries?worldwide.

6)We?have?the?most?convenient?transport from shanghai?and?timely?delivery.

7)We?offer?competitive?prices?based on good quality.

8)We?have?high?technical?production?line?with?top?quality?products.

9)We?have?win?high?reputation?based?on good?quality.

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Standards:

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SA249 Standard Specification For Welded Austenitic Steel Boiler,Superheater, Heat-Exchanger And Condenser Tubes. |
Item | Contents | Requirements |
1 | Chemical Composition | Acc.to SA249 and SA480 |
2 | Welding method | TIG Welded |
3 | Materail | TP304, TP304L, TP304H, TP310S, TP316, TP316L, TP316TI, TP316H, TP317L, TP321 |
4 | Straightness | 0.8mm/900mm |
5 | Tolerance | OD acc.to A1016/A1016M,WT +/-10% |
6 | Heat Treatment | Bright Annealing Temperature 1040℃ |
7 | Mechanical Property | 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 |
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