
Stainless Steel Seamless Tube ASTM A213 ASME SA213 -10a 0Cr18Ni12Mo2Ti TP316Ti UNS S31635 1.4571
0Cr18Ni12Mo2Ti, TP 316Ti=UNS S31635=1.4571, This is one of the family of
17%Cr12-13%Ni steels containing Mo of 2,0-2,4% stabilized with Ti
which minimizes chromium carbide precipitation and improves
resistance to intergranular corrosion. In the damp industrial or
coastal atmospheres of Europe, they perform better than TP 304/304L
and ferritic grades. In low temperature seawater they offer limited
resistance to pitting but are susceptible to crevice attack. Their
short- and long-time properties at elevated temperatures are also
superior to those of comparable TP 304/304L grades.
Specification:
ASME SA213/A213: Standard Specification for Seamless Ferritic and
Austenitic Alloy-
Steel Boiler, Superheater and Stainless Steel Heat Exchanger Tubes.
ASTM A249 / A249M:Standard Specification for Welded Austenitic
Steel Boiler, Superheater
Heat-Exchanger, and Condenser Tubes.
Other Standard:DIN 17456 , DIN 17458, EN10216-5, GOST 9940-81, GOST
9941-81, JIS-G3463,...
Material Grade:
Size Range:
Production | Outside Diameter | Wall Thickness |
Heat Exchanger Tube | 6.00mm to 101.6mm | 0.5mm to 8mm |
Final Finishing
Solution Annealed & Pickled/Bright Annealed.
Type of Tubes:
U-bend & Straight.
Some of the quality tests carried out by us includes:
Corrosion Test | Conducted only when specially requested by the client |
Chemical Analysis | Test done as per required quality standards |
Destructive / Mechanical Testing | Tensile | Hardness | Flattening | Flare | Flange |
Reverse-bend and Re. flat tests | Carried out in full compliance with relevant standards & ASTM A-450 and A-530 norms, which ensures trouble-free expansion, welding & use at customers end |
Eddy Current Testing | Done to detect homogeneities in subsurface by using Digital Flaw-mark Testing System |
Hydrostatic Testing | 100% Hydrostatic Testing carried out according to ASTM-A 450 norms for checking tube leakage, and biggest pressure we can support 20Mpa/7s . |
Air Under Pressure Test | To check any evidence of air leakage |
Visual Inspection | After passivation, every single length of tubes & pipes is subjected to thorough visual inspection by trained staff for detecting surface flaws & other imperfections |
Supplementary Testing : Apart from the above mentioned tests, we also carry out on the
manufactured products supplementary testing. The tests conducted
under this include:
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Yuhong Group Co.,Ltd