ASTM A335 P9 Alloy Steel Tube , High Hardness Hollow Steel Pipe For Building Construction

Steel grade: ASTM A335 P9 alloy steel pipe

Packing of ASTM A335 P9 alloy steel pipe:

Bare packing/bundle packing/crate packing/wooden protection at the both sides of tubes and suitably protected for sea-worthly delivery or as requested.

Inspection and Test of ASTM A335 P9 alloy steel pipe:

Chemical Composition Inspection, Mechanical Properties Test(Tensile Strength,Yield Strength, Elongation, Flaring, Flattening, Bending, Hardness, Impact Test), Surface and Dimension Test,No-destructive Test, Hydrostatic Test.

Surface treatment of ASTM A335 P9 alloy steel pipe:

Oil-dip, Varnish, Passivation, Phosphating, Shot Blasting.
Both ends of each crate will indicate the order no., heat no., dimensions, weight and bundles or as requested.

ASTM A335 P9 alloy steel pipe alloy steel pipe Chemical Compositions(%)

Mechanical properties for ASTM A335 P9 alloy steel pipe

Material & Manufacture of ASTM A335 P9 alloy steel pipe

Pipe may be either hot finished or cold drawn with the finishing heat treatment noted below.

Heat Treatment of ASTM A335 P9 alloy steel pipe

• A / N+T
• N+T / Q+T
• N+T

Mechanical Tests Specified of ASTM A335 P9 alloy steel pipe

• Transverse or Longitudinal Tension Test and Flattening Test, Hardness Test, or Bend Test
• For material heat treated in a batch-type furnace, tests shall be made on 5% of the pipe from each treated lot. For small lots, at least one pipe shall be tested.
• For material heat treated by the continuous process, tests shall be made on a sufficient number of pipe to constitute 5% of the lot, but in no case less than 2 pipe.

​We have six subsidiaries located in Shanghai, Zhejiang, Jiangsu and Hongkong, which have built great relationship with the metal facilities abroad and at home, so as to provide excellent services for our clients.

We have own entire system for pre-sale, in-sale and after-sale process. And our business scope covers technical consultation, technology development, technology projects and technology service in the field of manufacturing and selling the special steel plate, super stainless steel, titanium and nickel alloys, chrome moly alloys, aluminum alloys products etc. All the materials can be provided with the shape of plate, bar, pipe, tube, wire, beams, flange, fittings etc. The business of our group was separated into four parts: precision machining of special metal, special metal selling in domestic market, special metal selling in global market, special metal supply chain derivative services(such as agent purchasing, agent selling, supply chain finance etc).
Providing quality products, excellent services, competitive prices and prompt delivery, we are looking forward to cooperating with clients all around the world.