ASTM A335 P22 alloy steel pipe

ASTM A335 P22 is the part of ASTM A335. ASTM A335 P22 alloy steel pipe shall be suitable for bending, flanging, and similar forming operations, and for fusion welding.

ASTM A335 P22 alloy steel pipe

Each length of pipe shall be subjected to the hydrostatic test. Also, each pipe shall be examined by a non-destructive examination method in accordance to the required practices.

Inspection and Test:

Ultrasonic inspection of seamless pipes

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.

A335 is often called chrome moly pipe because of the chemical makeup of Molybdenum (Mo) and Chromium (Cr). Molybdenum increases the strength of steel as well as the elastic limit, resistance to wear, impact qualities, and hardenability.


The range of ASTM A335 P22 pipe sizes that may be examined by each method shall be subjected to the limitations in the scope of the respective practice.

The different mechanical test requirements for pipes, namely, transverse or longitudinal tension test, flattening test, and hardness or bend test are presented.Both ends of each crate will indicate the order no., heat no., dimensions, weight and bundles or as requested.

Steel grade: ASTM A335 P22

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.

ASTM A335 P22 Chemical Compositions(%)

Compositions Data
UNS Designa-tion K21590
Carbon 0.05-0.15
Manganese 0.30-0.60
Phosphorus(max.) 0.025
Sulfur(max.) 0.025
Silicon 0.50-1.00
Nickel
Chromium 1.90-2.60
Molybdenum 0.87-1.13
Other Elements

Mechanical properties for ASTM A335 P22

Properties Data
Tensile strength, min, (MPa) 415 Mpa
Yield strength, min, (MPa) 205 Mpa
Elongation, min, (%), L/T 30/20

(Note: This is summarized information from ASME Specification A335. Please refer to the specific Standard or Specification or contact us for more details.)

Material & Manufacture

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

Heat Treatment

Mechanical Tests Specified

Notes for Hardness Test:

Notes for Bend Test:

Standards for Alloy pipes & tubes

ASTM A213 T91
ASTM A213M-09
Standard Specification for Seamless Ferritic and Austenitic Alloy-Steel Boiler, Superheater, and Heat-Exchanger Tubes
ASTM A333 Grade 6 alloy pipe shall be made by the seamless or welding process with the addition of no filler metal in the welding operation.
ASTM A333
Standard Specification for Seamless and Welded Steel Pipe for Low-Temperature Service and Other Applications.
ASTM A335 P22 is the part of ASTM A335, the pipe shall be suitable for bending, flanging, and similar forming operations, and for fusion welding.
ASTM A335
ASTM A335/ASME SA335 standard specication for seamless ferritic alloy-steel pipe for high-temperature service
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Alloy steel specification, Standard and identification

Alloy Steel pipe contains substantial quantities of elements other than carbon such as nickel, chromium, silicon, manganese, tungsten, molybdenum, vanadium and limited amounts of other commonly accepted elements such as manganese, sulfur, silicon, and phosphorous.

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ASTM A335 P11 alloy pipe


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