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DIMENSIONS

DIMENSIONS & PROPERTIES - Steel & Tube

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UltraPipe Pressure Ratings<br />

Available in sizes from 88.9mm O.D. to 457.Omm O.D., UltraPipe is created using continuous cast steel strip of low carbon equivalent, which is joined<br />

using the high‐frequency electric resistance welding (HFERW) process.<br />

This process produces a flawless, continuous longitudinal seam of unparalleled symmetry and strength.<br />

UltraPipe is a straighter, rounder pipe of more consistent wall thickness, and it has a tighter bevel tolerance than required by most standards.<br />

These features mean it can be used in a wide variety of applications, including:<br />

• Pressure piping for flammable, toxic, high pressure or lethal fluids and gases.<br />

• Pipelines for gas and liquid petroleum.<br />

• Structural and architectural uses in buildings and bridges.<br />

• Water bore casing. (Imported grade B and grade X42 line pipe does not comply with AS1396 due to the higher mechanical properties specified in<br />

this bore casing standard.)<br />

Fluid Type Examples<br />

Fluid Type Example<br />

1 Lethal fluids Carbonyl chloride, cyanogen, hydrocyanic acid, xylyl bromide.<br />

2 Flammable, toxic HHT* Steam, petroleum, methane, aviation fuel, chlorine, CO2, cryogenic fluids<br />

3 Gas and combustible liquids not covered above Argon, neon, nitrogen, air, fuel oil, crude oil, machine oil<br />

4 Any other liquids not covered above Water and other safe fluids.<br />

HHT* Harmful to Human Tissues<br />

AS 4041 Table 1.4 Classes for Fluids<br />

Class<br />

Liquid Fluid Gas 1 2A 2P 3<br />

Lethal 1 Lethal Yes No No No<br />

No Yes<br />

2MPa<br />

max<br />

DN150<br />

Yes Yes<br />

10MPa<br />

2 Flammable<br />

Toxic<br />

HHT*<br />

Flammable<br />

Toxic<br />

HHT*<br />

(includes steam and cryogenic)<br />

10MPa (gas)<br />

Combustible liquids 3 Any other gases not above Yes Yes (liquid) No Yes<br />

Any other liquids not above 4 –– Yes Yes Yes Yes<br />

HHT* Harmful to Human Tissues<br />

Ultrapipe<br />

Circular<br />

hollow<br />

sections<br />

Dimensions and Properties Handbook 93

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