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ASTM A53/ ASME SA-53 Type E, Grade B Pipe

SUBMITTAL DATA

SCOPE

Covers black and hot-dipped galvanized Electric Resistance Welded, Grade B pipe. Pipe is intended for mechanical and pressure applications and is acceptable for ordinary uses in steam, water, gas and air lines. Pipe is suitable for welding, threading, grooving and bending. Pipe is not intended for flanging. Produced to the latest revisions of ASTM A53/A 53M, ASME SA53 /SA53M and ASME B36.10M.

Pipe is also UL, ULC listed, sizes 1/2”to 6” S40, and FM approved 1 to 6” S40( not included 3 H,5), for use in Fire Sprinkler Pipe applications. MANUFACTURE

The weld seam of electric-resistance welded pipe in Grade B shall be heat treated after welding to a minimum of 1000°F ( 540°C ) or otherwise processed in such a manner that no untempered martensite remains.

HOT-DIPPED GALVANIZED

The average weight of zinc coating determined by the ASTM A90 method shall be not less than 1.8 oz. per sq. ft. of surface (inside and outside) When galvanized pipe is bent or otherwise fabricated to a degree which causes zinc coating to stretch or compress beyond the limit of elasticity, some flaking of the coating may occur.

BLACK PIPE

The average thickness of black water base paint is 1 mil on the outside surface of the pipe HYDROSTATIC TESTING and NONDESTRUCTIVE ELECTRIC TESTING

Hydrostatic test pressures for plain-end pipe are indicated below.(PSI). Test pressures shall be maintained for a minimum of 5 seconds. Nondestructive electric testing of the weld seam is done on each length of ERW pipe NPS 1/2 and larger

END FINISH

Plain end: NPS 1/2 and larger: ends are beveled top a angle of 30°, + 5° - 0° with a root face of 1/16 ± 1/32 Threaded: To ANSI Standard B1.20.1, Couplings: To ASTM Standard A865, Grooved: To CSA B242

CHEMICAL REQUIREMENTS

Composition, max %

Carbon: 0.30, Manganese: 1.20, Phosphorus: .05, Sulfur: .045, *Copper: .40, *Nickel: .40

*Chromium: .40, *Molybdenum: .15, *Vanadium .08 »»* The combination of these five elements shall not exceed 1.00%

TENSILE REQUIREMENTS

Tensile Strength: 60000 Psi (415 Mpa) minimum                  Elongation:            Refer to ASTM A53 table X4.1

Yield Strength:      35000 Psi (240 Mpa) minimum

FLATTENING TEST

NPS 1/2 and greater: As a test for quality of the weld, position of the weld at 90° from the direction of force and flatten until the OD is 2/3 of the original outside diameter. No cracks shall occur along the inside or outside surface of the weld.

BEND TEST

For pipe NPS 2 or smaller, a sufficient length of pipe shall be capable of being bent cold through 90° around a cylindrical mandrel, the diameter of which is twelve times the specified outside diameter of the pipe, without developing cracks at any portion and without opening the weld.

DIMENSIONS AND WEIGHTS (plain end .nominal)

PERMISSIBLE VARIATIONS IN WALL THICKNESS, IN OUTSIDE DIAMETER, IN WEIGHT PER FOOT

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

Pipe Diameter NPS 1 1/2 and under: ± 1/64 in.                                    Pipe Diameter NPS 2 and over: ± 1%

Pipe weight per foot shall not vary more than ± 10% from the standard specified

PRODUCT MARKING

Each length of pipe H NPS and larger is continuously stenciled to show the manufacturer name, “Made in Canada“, the grade of pipe (ASTM A53/ASME SA-53 ), the kind of pipe ( E for electric-resistance welded, B for Grade B), the size ( S40 for standard), length, heat number and Galvanized lot number and date. Bar coding is acceptable as a supplementary identification number. Stencil markings indicate UL, ULC listing (ULC, UL LISTED 22ZL STEEL SPRINKLER PIPE ) and FM approved for sizes mentioned in scope for use in Fire Sprinkler Pipe applications.