AISI 304 Stainless Steel Tube for heat exchanger with Fully Annealed
Heat exchanger tube in an extensive range of austenitic stainless steels, duplex stainless steels, nickel alloys, titanium and zirconium, suitable for all types of heat exchangers, such as seawater coolers, condensers, evaporators, heaters and reheaters.
SPEZILLA'S heat exchanger tube program includes imperial and metric sizes, from outside diameter 12 mm up to 101.6 mm (0.472 to 4 in.). Special sizes can be made to order. SPEZILLA heat exchanger tube are supplied in straight lengths up to 20 meters, or as U-bent tubes..
Austenitic:
TP310S(0Cr25Ni20, 2520)
TP304(0Cr18Ni9)
904L (00Cr20Ni25Mo4.5Cu , UNS N08904)
TP347(0Cr18Ni11Nb)
TP347H(1Cr19Ni11Nb)
TP321(0Cr18Ni10Ti)
TP304L(00Cr19Ni10)
TP316(0Cr17Ni12Mo2)
TP316L(00Cr17Ni14Mo2)
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Standards
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ASTM 249/ 269,ASME SA249, DIN17457 EN10216
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Specification
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OD:6mm-1219mm,WT:0.5-30mm, Length: Max. 20meters
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Material
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TP304, TP304H, TP304LN, TP304L,TP310/S, TP316L, TP316H,TP316/316L,TP317L,TP321/321H,TP347,S31803,2205,2507,ect
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Process method
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ERW,TIG
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Surface finish
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Annealed & Pickled /Bright Annealed,Polished,Inside Bead Removed
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Applications
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For fluid and gas transport, structure and Machining
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Packing
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Seaworthy Wooden Cases / Steel Framed Cases / Bundle
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Marking
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All tubes are marked as follows: SPEZILLA. Standard, Grade, OD, Thickness, Length, Heat No. (Or according to the customer's request. )
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ASTM A249/ASME SA249 Chemical Requirement
| Material |
ASTM A249 Chemical Composition % Max |
| C |
Mn |
P |
S |
Si |
Cr |
Ni |
Mo |
N B |
Nb |
Ti |
| TP304 |
0.08 |
2.00 |
0.045 |
0.030 |
1.00 |
18.0-20.0 |
8.0-11.0 |
^ |
^ |
^ . |
^ |
| TP304L |
0.035 |
2.00 |
0.045 |
0.030 |
1.00 |
18.0-20.0 |
8.0-12.0 |
^ |
^ |
^ |
^ |
| TP316 |
0.08 |
2.00 |
0.045 |
0.030 |
1.00 |
16.0-18.0 |
10.0-14.0 |
2.00-3.00 |
^ |
^ |
^ |
| TP316L |
0.035 D |
2.00 |
0.045 |
0.030 |
1.00 |
16.0-18.0 |
10.0-15.0 |
2.00-3.00 |
^ |
^ |
^ |
| TP321 |
0.08 |
2.00 |
0.045 |
0.030 |
1.00 |
17.0-19.0 |
9.0-12.0 |
^ |
^ |
^ |
5C -0.70 |
| TP347 |
0.08 |
2.00 |
0.045 |
0.030 |
1.00 |
17.0-19.0 |
9.0-12.0 |
|
|
10C -1.10 |
^
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Mechnical Requirement
| Material |
Heat treatment |
Temperure F (C) Min. |
Hardness |
| Brinell |
Rockwell |
| TP304 |
Solution |
1900 (1040) |
192HBW/200HV |
90HRB |
| TP304L |
Solution |
1900 (1040) |
192HBW/200HV |
90HRB |
| TP316 |
Solution |
1900(1040) |
192HBW/200HV |
90HRB |
| TP316L |
Solution |
1900(1040) |
192HBW/200HV |
90HRB |
| TP321 |
Solution |
1900(1040) F |
192HBW/200HV |
90HRB |
| TP347 |
Solution |
1900(1040) |
192HBW/200HV |
90HR |
