ASTM A53 Pipe

Short Description:

Standard and grades: ASTM A53 Grade A, B. Type E, F, S
Manufacturing types: Seamless, ERW, SAW
Pipe Dimensions Range: NPS 1/8” to 26”
Pipe Schedule Range: SCH 10, SCH 40, SCH STD, SCH 80, SCH XS to SCH 160 and SCH XXS
Ends Treatment: Plain, Beveled, threaded. With couplings.
Length range: Single Random Length (SGL), Double random Length (DRL )Fixed length 20 ft (6 m) and 40 ft (12 m)
Surface Coating: Epoxy coatings in 3PE or FBE, Black paint, varnished, anti-rust oil, galvanized

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A53 pipe Raw Material – Carbon Steel Pipe

The steel for making ASTM A53 pipe (both for seamless and welded) shall be according following processes: open hearth electric furnace, or basic oxygen.

Raw steel material of different grades are independently strand cast identification of resultant transition material is needed. Manufacturer should remove transition material by any established procession that could clearly separate the grades.

The welding seam for ERW welding processes in ASTM A53 Grade B pipe should be done heat treatment after welding to a min of 540℃(1000℉).

Consequently, there is no untempered martensite remains, or use the other ways of non untempered martensite remains.

For cold expanded, the expansion amount shall not exceed 1 1/2% of the pipe diameter.

Material Types for ASTM A53 Standard

a. Seamless Type S, has grade A and B.

b. Welded Type E (ERW), Grade A and B.

c. Furnace Welded Type F, Grade A only.

ASTM A53 Pipe Applications

Transmission: Oil and gas pipeline systems, water treatment, mineral slurry

Construction and Structure: Buildings, underground water drilling, boiler water transmission

Machine Parts: Machining to spare parts

Power station: Wind Turbines, Anti-Static tube

Chemical requirements

Element	Type S (seamless)		Type E		Type F
Element	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

Mechanical Properties comparison

	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