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Product Name:ASTM A53 106b ERW Steel Pipe
Product Description:
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 1/2 and Smaller Sizes
For NPS 2 and Larger Sizes
1/64″
1/32″ under
1% over
1%under
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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 1/2 & 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 1/4 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
Price:10.00
Product Website:https://www.cnspipes.com/welding-pipe/erw-steel-pipe/astm-a53-106b-erw-steel-pipe.html
Company Description
Hebei Grand International Trading Co.,Ltd
Address:HebeiHebeiCangzhouxinhuaNo.92 Jiefang East Rd., Cangzhou City, Hebei Province, China
Descption:Cangzhou Steel Pipe Group (CSPG) Co., Ltd. is a large-sized, key metallurgic enterprise of Hebei Province in North China, whose history dates back to 1994. CSPG currently em/paces six member companies with products varying from SSAW, LSAW, ERW, seamless steel pipes to 3PE pipes, galvanized pipes, casing pipes, etc. A Joint-stock corporation, CSPG occupies an area of 600,000 square meters with a total asset of $530 million.
Registered Capital:10000000
EmployeeNum:10
Hebei Grand International Trading Co.,Ltd
Contact:WangZhongchao
Telphone:86-86-75673271-0
Fax:86-86-75673271-0
Email:cnspipe@aliyun.com
Company Website:http://www.cnspipes.com
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