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ASTM A335 P11 Alloy Steel Pipe A106B

A335P11 is a kind of alloy steel material code issued by ASTM (American Society for Materials and Testing), P11 alloy steel pipe can be 100% recycled, in line with the national strategic policy of environmental protection, energy saving and resource saving.
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Product Description

Steel grade: ASTM A335 P11

Packing:

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:

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:

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 P11 Chemical Compositions(%)
CompositionsData
UNS Designa-tionK11597
Carbon0.05-0.60
Manganese0.30-0.60
Phosphorus(max.)0.025
Sulfur(max.)0.025
Silicon0.50-1.00
Nickel
Chromium1.00-1.50
Molybdenum0.44-0.65
Other Elements
Mechanical properties for ASTM A335 P11
PropertiesData
Tensile strength, min, (MPa)415 Mpa
Yield strength, min, (MPa)205 Mpa
Elongation, min, (%), L/T30/20
Material & Manufacture

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

Heat Treatment
  • A / N+T

  • N+T / Q+T

  • N+T

Mechanical Tests Specified
  • 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.

Notes for Hardness Test:
  • P11 shall not have a hardness not exceeding 250 HB/265 HV [25HRC].


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