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ASTM A53 106b ERW Steel Pipe

17 August 2021, 17:34

Washington, Alderton

Price 10 USD

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website:https:www.cnspipes.comwelding-pipeerw-steel-pipeastm-a53-106b-erw-steel-pipe.html

Permissible Variations in Wall ThicknessHot-Dipped Galvanizing

Sets standards for coating of ASTM A53 106b ERW Steel Pipe with zinc inside and outside by the hot-dipped process. Weight of coating must not average less than 1.8 oz. per square foot and not less than 1.6 oz. per square foot.

The minimum wall thickness at any point shall not be more than 12.5% under the nominal wall thickness specified.

Permissible Variations in Weights per Foot

Plus or minus 10%

Permissible Variations in Outside Diameter

Outside Diameter at any point shall not vary from standard specified more than:

For NPS 1 12 and Smaller Sizes

For NPS 2 and Larger Sizes

164″

132″ under

1% over

1%under

Download the full product catalog

Tensile Requirements

Seamless and Electric-resistance-welded

Continuous-Welded

Grade A

Grade B

Tensile Strength, min., psi

48,000

60,000

45,000

Yield Strength, min., psi

30,000

35,000

25,000

Number of Tests Required

Seamless and ASTM A53 106b ERW Steel Pipe — Bending, flattening, tensile on one length of pipe from each lot of 500 lengths or less of a size. Continuous-Weld — Bending, flattening, tensile

NPS 1 12 & smaller

NPS 2 & larger

one 25 tons

one 50 tons

Hydrostatic Testing

Hydrostatic inspection test pressures for ASTM A53 106b ERW Steel Pipe plain end and threaded and coupled pipe are specified.

Hydrostatic pressure shall be maintained for not less than 5 seconds for all sizes of seamless and electric-resistance-weld pipe.

Mechanical Tests Specified

Tensile Test — Transverse required on ERW for NPS 8 and large. Sending Test (Cold) — STD and XS-NPS 2 and under XXS-NPS 1 14 and under.

Degree of Bend

Diameter of Mandrel

For Normal A53 Uses

90

12 x nom dia. of pipe

For Close Coiling

180

8 x nom dia. of pipe

Flattening Test — NPS 2 and larger STD and XS. (Not required for XXS pipe.)

ASTM A53 106b ERW Steel Pipe Lengths

Standard Weight

Single Random — 16′ – 22′. 5% may be jointers. If Plain Ends — 5% may be 12′ – 16′.

Double Random — Shortest Length 22′, minimum average for order 35′.

Extra Strong and Double Extra Strong

Single Random — 12′ -22′. 5% may be 6′ – 12′.

Double Random (XS and lighter) — Shortest Length 22′, minimum average for order 35′.

Lengths longer than single random with wall thicknesses heavier than XS subject to negotiation.

Required Markings on Each Length

(On Tags attached to each ASTM A53 106b ERW Steel Pipe Bundle in case of Bundled Pipe)

Rolled, Stamped, or Stenciled (Mfrs. Option)

Name brand of manufacturer

Kind of pipe, that is, Continuous Welded, Electric-Resistance-Welded A, Electric-Resistance-Welded B, Seamless A, Seamless B, XS for extra strong, XXS for double extra strong.

ASTM 53

Length of pipe

General Information

Couplings — Applied handling tight. Couplings, 2″ and smaller straight tapped, other sizes taper tapped.

Thread Protection — Applied to pipe 4″ and larger.

End Finish (unless otherwise specified) —

STD or XS, or wall thicknesses less than 0.500 in. (excluding XXS): Plain and beveled

All XXS and wall thicknesses over 0.500 in: Plain end square cut.

Edit by Ms. Vicky of CSPG

Contact us directly by:

Email: ella@cnspipe.com , vicky@cnspipe.net

Tel Whatsapp: +86-180327140146

Skype: cnspipe002

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online 2 months ago

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