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Seamless Steel ASTM A312 Pipe Supplier

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Our company Piyush Steel is engaged in manufacturing Seamless Steel ASTM A312 Pipe Supplier which is highly resistant to corrosive attack and to oxidation at high temperatures. These are widely used in chemical plant apparatus, photographic equipment and plastics. Also, they are renowned for its high performance and seamless steel pipes. This specification covers seamless and straight-seam welded stainless pipe intended for high temperature and general corrosion service. The SS A312 Seamless Pipe manufacturing process is suited to high-volume production and is generally limited to the diameters and schedule wall thickness shown in SAE A312 Pipe with immediately deliver available from a complete inventory standard sizes up to 24".

 The principal manufacturing procedures specified under ASTM A312 Pipe are:

 Automatic welding process with no addition of filler wire.

 Annealing after welding.

 Tension, Reverse, forward-bend and hardness tests of each lot.

 Hydrostatic of each pipe

 Wall thickness may not be more than 12.5% under nominal thickness.

 Normally furnished in square cut ends, pipe with beveled ends can be provided. Spot radiography or 100% radiography can be provided on all weld seams. Seamless Steel Pipe is pickled and passivity as per ASTM A312 to maintain corrosion resistance and to prevent surface discoloration from free iron oxidation.