ASTM B338 Titanium Seamless Tubes For Condensers
Product name: ASTM B338 titanium Seamless Tubes for Condensers
Standard:ASTM B338 ASTM B861 ASTM B862
Material:Titanium Gr7
Diameter:5-914mm
Wall thickness:0.5-50mm
Length:Max 16000mm
Surface:Pickling surface/Polished
Type:Seamless, welded
Application:Heat Exchanger, chemical industry etc.
Technique:Rolled
ASTM B338 titanium Seamless Tubes for Condensers
ASTM B338 Seamless and Welded Titanium and Titanium Alloy Tubes for Condensers and Heat Exchangers
ASTM B338 covers 28 grades of seamless and welded titanium alloy tubes for surface condensers, evaporators, and heat exchangers.
Standard
ASTM B338, ASME SB338
Regular Grade
Grade 1 Grade 2
Outer Diameter
12.7mm 15mm 17mm 19mm 25.4mm 31mm etc.
Wall thickness
0.9mm/1.0mm/1.2mm/1.5mm
Length
3000 - 6000mm or other economical lengths
Finish
Polished, AP (Annealed & Pickled), BA (Bright & Annealed), MF
Form
Straight titanium Pipe, Coiled titanium tube
Type
Seamless, ERW, EFW, Welded, Fabricated
End
Plain End, Beveled End, Treaded
Marking
Standard, Grade, OD, Thickness, Length, Heat No. (Or as per customer's request.)
Application
Oil Tube, Gas Tube, Fluid Tube, Boiler and Heat exchanger
Value Added Service
Draw & Expansion as per required Size & Length, Polish (Electro & Commercial) Annealed & Pickled
Bending, Machining Etc.
Test Certificate
Mill Test Certificate EN 10204/3.1,TPI Report, EN10204/3.2
Precautions for titanium pipe processing:
During the deformation process, titanium pipe will gradually reduce wall and diameter with the rotation and feeding of the rolling mill. The pipe size required by the process can be obtained only after 5 ~ 10 rolling and finishing in one rolling pass. The cold rolling pipe mill can carry out large diameter reduction and wall reduction, but the dimensional accuracy is low after rolling, and the pipe end is prone to cracking, uneven concave convex and other phenomena. The cracking phenomenon can be solved mainly by grinding and leveling before pipe blank processing; For the uneven pipe end, similar to the "fish mouth" phenomenon, flat head treatment is required in the subsequent processing process, otherwise it will cause the plug stuffy accident. Therefore, this paper analyzes from the aspects of process, tooling and equipment, in order to find out the causes of uneven concave convex of pipe end and take effective measures to solve it.
Chemical composition (Wt%)
ASTM No.
Fe max
O max
N max
C max
H max
Pd
Al
Bal
Grade 1
0.2
0.18
0.03
0.1
0.015
-
-
Ti
Grade 2
0.3
0.25
0.03
0.1
0.015
-
-
Ti
Physical Properties (Min)
ASTM Grade
Alloy Composition
Tensile Strength
Yield Strength
Elongation min %
ksi
Mpa
ksi
Mpa
Grade 1
Unalloyed Ti ("Pure") 35A -CP1
35
240
25
170
30
Grade 2
Unalloyed Ti ("Pure") 50A -CP2
58
400
40
275
25
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