ASTM A333 Gr.1~Gr.9 Seamless Pipe

This specification covers seamless and welded steel pipe for low temperature service. The Grade 6 alloy steel involved is similar to AISI 4032 low alloy steel.
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 3

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 4 Chemical Compositions(%)
CompositionsData
Carbon(max. )0.30
Manganese0.29-1.06
Phosphorus(max. )0.025
Sulfur(max. )0.025
Silicon
Nickel
Chromium
Other Elements
Mechanical properties for ASTM A333 Grade 4 Alloy Steel
PropertiesData
Tensile strength, min, (MPa)415 Mpa
Yield strength, min, (MPa)240 Mpa
Elongation, min, (%), L/T30/16.5
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