Specifications

ASTM A 106, ASME SA 106

Size Range

1/2” NB to 36” NB

Thickness

SCH 40, SCH 80, SCH 160, SCH XS, SCH XXS, All Schedules

Type

Seamless / ERW / Welded / Fabricated / CDW

Length

Single Random, Double Random & Required Length, Custom Size – 12 Meter lengths

End Connections

Plain, Bevel, Screwed, Threaded

Outside Coating

Black Painting, Anti-Corrosion Oil, Galvanised Finish, Finish as per customer Requirements

Chemical Composition (%)

Grade

C(Max)

Mn

Si(Min)

Cu(Max)

Ni(Max)

Cr(Max)

Mo(Max)

V(Max)

P(Max)

S(Max)

B

0.3

0.29~1.06

0.1

0.4

0.4

0.4

0.15

0.08

0.035

0.035

Mechanical Properties:

Grade

Tensile Strength (Mpa), Min.

Yield Strength (Mpa), Min.

B

415

240

NPS

1/8″ to 1 1/2″

Over 1 1/2″ to 4″

Over 4″ to 8″

Over 8″ to 18″

Over 18″ to 26″

Over 26″ to 34″

Over 34″ to 48″

OD Tolerance

+/- 0.4

+/- 0.8

+1.6, -0.8

+2.4, -0.8

+3.2, -0.8

+4.0, -0.8

+4.8, -0.8

WT Tolerance

+/- 12.5%

Weight Tolerance

+10%, -3.5%