Listing ID #3831334
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Contact SupplierOur carbon steel pipes are durable, rust and corrosion resistant and are available in different thickness and diameter based on the client's requirements.
ASTM TUBE SPECIFICATIONS
[American Society for Testing & Materials]
SPEC. | DESCRIPTION | APPLICATIONS |
---|---|---|
A249 | Welded austenitic S/S Boiler,superheater,heat exchanger & condenser tubes. | For superheaters & heat exchangers. |
A268 | Seamless & welded ferritic stainless tubing for general service. | For general corrosion resistance and high temperature service. |
A269 | Seamless and welded austenitic stainless steel tubing for general service | For general corrosion resistance and low or high temperature service |
A270 | Seamless and welded austenitic stainless steel feed water heater tubes. | For use in food and dairy industry. |
A554 | Welded stainless steel mechanical tubing. | For mechanical applications where appearance, mechanical properties or corrosion resistance is needed. |
A789 | Seamless and welded ferritic/ austenitic stainless steel tubing for general service. | For general service with particular emphasis on resistance to stress corrosion cracking. |
9688 | Welded austenitic stainless steel feed water heater tubes. | For feed water heater tubes, including those bent, if specified, into the form of U-tubes. |
PAGE 16 AW [As welded] | As welded tube receives no further treatment after forming and welding. It is used where limited manipulation is to be carried out. It has a smooth matt finish. |
AWA [As Welded Annealed] | Bright annealing after welding increases corrosion resistance & softens the tube for severe manipulations such as bending, expanding & forming. |
CW & CWA [Cold Worked] & [Cold Worked Annealed] | For applications requiring a smooth internal surface, high corrosion resistance and compliance with specifications such as ASTM A249. Tube is available in cold worked annealed [CWA] condition. In both conditions the weld area is subject to a mechanical forging process for grain refinement. CWA tube is then bright annealed, an economical alternative to fully welded drawn tube. |
WD & WDA [Welded Drawn] & [Welded Drawn Annealed] | By cold drawing tube in AWA or CWA conditions, fine dimensional tolerances are achieved, having excellent uniformity of wall thickness & concentricity, uniform grain structure and hardness. For maximum corrosion resistance this tube is supplied in the annealed [WDA] condition. |
S [Seamless] | Cold drawn from seamless hollows annealed and pickled to ASTM A269 specification. Suitable for high pressure lines. |
The natural metallic lustre of stainless steel, which remains during its extremely prolonged lifespan, can be further enhanced by polishing and buffing. This applies particularly in applications for decorative purposes. A number of polished finishes are available
MF [Mill Finish] | An off-the-mill finish; roll forming marks are retained and an indication of the weld may be visible. |
BP [Buff Polish] | Bright finishes with varying degrees of lustre. Available in 240, 400 & 600 Grit finish. |