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ASTM A333 Grade 6 Seamless Pipe

ASMT A333 Grade 6 seamless pipes

ASTM A333 Grade 6 specification covers seamless and welded steel pipe for low temperature service.

ASTM A333 Grade 6 Seamless Pipe involved is similar to AISI 4032 low alloy steel.

Seamless pipes for high temperature and pressure service

ASTM A333 Grade 6 is the part of standard covers wall seamless and welded carbon and alloy steel pipe intended for use at low temperatures. 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.

Seamless and Welded Steel Pipe size for Low-Temperature Service:

  • Outer Dimensions: 19.05mm – 114.3mm
  • Wall Thickness: 2.0mm – 14 mm
  • Length: max 16000mm

Application: Seamless and Welded Steel Pipe for Low-Temperature Service.

Steel grade: ASTM A333 Grade 6

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 A333 Grade 6 Chemical Compositions(%)
Compositions Data
Carbon(max.) 0.30
Manganese 0.29-1.06
Phosphorus(max.) 0.025
Sulfur(max.) 0.025
Silicon
Nickel
Chromium
Other Elements
Mechanical properties for ASTM A333 Grade 6 Alloy Steel
Properties Data
Tensile strength, min, (MPa) 415 Mpa
Yield strength, min, (MPa) 240 Mpa
Elongation, min, (%), L/T 30/16.5
Impact requirements:
the notched-bar impact properties of each set of three impact specimens, when tested at temperature specified shall be not less than the values prescribed.
Referenced Documents
  • ASTM A 370 Test Methods and Definitions for Mechanical testing of Steel Products
  • ASTM A999/A 999M Specification for General requirements for Alloy and Stainless Steel Pipe.
  • ASTM A 671 Specification for General requirements for Alloy and Stainless Steel Pipe
  • ASTM E 23 Test Methods for Notched bar Impact testing of Metallic Materials


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