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ASTM A53 Schedule 10 Steel Pipe Hot-Dipped Galvanizing With Plain Ends St40

Place of Origin	China
Brand Name	Best
Certification	API /CE / ISO /TUV
Model Number	1/2'' -48''
Minimum Order Quantity	1 TONS
Price	450 USD/TON
Packaging Details	1) In bundle with strip; 2) First packing by plastic bag then strip; Details packing please see the picture in the detial description.
Delivery Time	Shipped in 25 days after payment
Payment Terms	L/C, T/T
Supply Ability	100000 Ton/Year

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Product Details

Standard	ASTM A53	Grade	A (St40) B (ST40)
Technique	E155, E190, E195, E22	Finish	SAWH
Keyword	SAWL (longitudinal Welding)	Inspection	With Hydraulic Testing
Surface	Barded /Painting
High Light	erw steel tube , erw mild steel pipe

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Product Description

Production Information : A53 ERW Steel PIPE SPECIFICATIONS

A/SA53

NPS 1/4″ – 30″

Schedules 10 through 160, STD, XH and XXH

ASTM A53 pipe (also referred to as ASME SA53 pipe) is intended for mechanical and pressure applications and is also acceptable for ordinary uses in steam, water, gas and air lines. It is suitable for welding and for forming operations involving coiling, bending, and flanging, subject to certain qualifications.

American Piping Products stocks a full range of A53 pipe (SA53 Pipe) in:

Grade B
NPS ¼” to 30” diameter
Schedules 10 through 160, STD, XH and XXH

Scope

ASTM A53 pipe covers Seamless and Welded, Black and Hot-Dipped Galvanized nominal (average) wall pipe for coiling, bending, flanging and other special purposes and is suitable for welding. Continuous-Welded pipe is not intended for flanging. Purpose for which pipe is intended should be stated on order.

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Materials and Manufacture

The steel for both seamless and welded pipe shall be made by one or more of the following processes: open-hearth, electric furnace, or basic-oxygen. The weld seam of electric-resistance welded pipe in Grade B shall be heat treated after welding.

Chemical Requirements

	Type S (seamless)		Type E		Type F
	Type S (seamless)		(electric- resistance welded)		(furnace- welded pipe)
	Grade A	Grade B	Grade A	Grade B	Grade A
Carbon max. %	0.25	0.30	0.25	0.30	0.3
Manganese %	0.95	1.2	0.95	1.2	1.2
Phosphorous, max. %	0.05	0.05	0.05	0.05	0.05
Sulfur, max. %	0.045	0.045	0.045	0.045	0.045
Copper, max.%	0.40	0.40	0.40	0.40	0.4
Nickel, max. %	0.40	0.40	0.40	0.40	0.4
Chromium, max. %	0.40	0.40	0.40	0.40	0.4
Molybdenum, max. %	0.15	0.15	0.15	0.15	0.15
Vanadium, max. %	0.08	0.08	0.08	0.08	0.08

Hot-Dipped Galvanizing

Sets standards for coating of 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.

Permissible Variations in Wall Thickness

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

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 Electric-Resistance-Welded — 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 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.)

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 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.

A53 ERW Steel PIPE Pictures

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