A333 Gr 4 Alloy Steel Pipe

We supply ASTM A333 Gr 4 alloy steel pipe for industrial use in both seamless and welded.

Feature

Outer Dimensions: 19.05mm – 114.3mm
Wall Thickness: 2.0mm – 14 mm
Surface treatment: Oil-dip, Varnish, Passivation, Phosphating, Shot Blasting.
Application: Seamless and Welded Steel Pipe for Low-Temperature Service.

Chemical Compositions(%)

Carbon(max): 0.12  Manganese: 0.50–1.05  Phosphorus(max): 0.025  Sulfur(max): 0.025

Silicon: 0.18-0.37 Nickel：3.18-3.82  Chromium : 0.44-1.01  Al: 0.04-0.30

Mechanical Properties

Yield strength(min): 415Mpa  Tensile strength(min): 240Mpa   Elongation(%min)Y: 30 Elongation(%min)X: 16.5

Strike Temperature Condition

The lowest temperature for strike test :   -100℃