ASTM A53 Steel Pipe Fittings, Steel, Black and Hot-Dipped, Zinc-Coated, Welded and Seamless.

ASTM A53 Standard Specification for Pipe, Steel, Black and Hot-Dipped, Zinc-Coated, Welded and Seamless

ASTM A53 Steel Pipe

ASTM A53 pipe fittings, also referred to as ASME SA53 fittings, are widely utilized in various applications due to their versatility and reliability. They are essential in air, water, steam, and gas lines, and they play a critical role in pressure and mechanical systems. These fittings are especially suitable for forming and welding operations, including flanging, bending, and coiling, making them highly adaptable for different engineering requirements.

ASTM A53 fittings are among the most commonly used standards for steel pipe fittings, renowned for their strength and durability. They are a staple in the oil and gas industry, where robust and reliable piping solutions are crucial. Additionally, these fittings are used in many other industries, including construction, manufacturing, and power generation, due to their ability to withstand high pressures and harsh conditions.

The standardized specifications of ASTM A53 ensure consistency and quality, making these fittings a preferred choice for engineers and contractors. Their compatibility with various piping systems and ease of installation further contribute to their widespread use in diverse applications. Whether in large-scale industrial projects or smaller mechanical systems, ASTM A53 pipe fittings provide dependable performance and longevity.

ASTM A53 Steel Pipe Specification

Standard: ANSI B16.9, ANSI B16.5, ANSI 16.28 Size: Size 1/4" to 48" Wall thickness: SCH10, SCH20, SCH30, STD, SCH40, SCH60, SCH80, SCH100 SCH120, SCH160, XS, XXS Material: A234WPB, A420WPL6 St37,St45, E24, A42CP, P245GH, P235GH, P265GH, P280GH,P295GH

ASTM A53 pipe fittings materials Chemical Requirements

	Type S (seamless)		Type E		Type F
			(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

ASTM A53 pipe fittings Production process

The manufacturing process of seamless steel pipes is divided into hot-rolled and cold-drawn methods.

1. For hot-rolled seamless steel pipes, the production begins with heating the tube billet, followed by perforation, three-roller or cross-rolling, and continuous rolling. The process continues with de-piping, sizing, cooling, and straightening. Then the pipe undergoes a hydraulic test, marking, and inspection for the leverage effect.
2. For cold-drawn seamless steel tubes, the process starts with heating the tube blank and perforation, followed by heading, annealing, pickling, and oiling. Multiple cold drawings are then applied to the blank tube, which is subsequently heat-treated, straightened, and subjected to a hydraulic test and marking before being stored.

ASTM A53 pipe fittings Applications

1. Construction: Used for underground pipelines, groundwater transportation, and hot water distribution
2. Mechanical Processing: Utilized in bearing sleeves, machining parts, and other processing machinery components.
3. Electrical: Employed in gas delivery systems and hydroelectric power fluid pipelines.
4. Wind Power Plants: Used as anti-static tubes and other specialized applications.

We Export To ASTM A53 pipe fittings

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FAQ

What is ASTM A53 pipe standard?

ASTM A53 covers seamless and welded, black and hot-dipped galvanized pipes for coiling, bending, flanging, and welding. Continuous-welded pipe is unsuitable for flanging. Specify the pipe's purpose when ordering.

What is the equivalent of ASTM A53 pipe?

The equivalent of ASTM A53 Grade B pipe includes UNS# K03005, KS/JIS symbols SPPS42 and STPG410, KS/JIS numbers D3562 and G3454, and DIN types St45 and St42-2, ensuring similar specifications globally.

What is ASTM A53 GI pipe?

ASTM A53 GI pipe refers to ASTM A53 pipes that are either black or hot-dip galvanized. These pipes, available in welded and seamless varieties, are suitable for welding and can undergo various forming processes like coiling, bending, and flanging. However, continuous weld pipe (Type F) is not recommended for flanging applications.