ASTM A53 Grade B Galvanized Steel Pipe

01. Product Overview

Choosing galvanized steel pipe requires matching the steel grade, manufacturing method, wall thickness, and zinc coating to the intended application. These specifications determine whether the pipe meets the requirements of the project and its installation conditions.

We supply galvanized round steel pipes for construction, industrial applications, and general piping projects. Our range includes hot-dip galvanized and pre-galvanized pipes in different diameters, wall thicknesses, and end configurations.

ASTM A53 Grade B steel pipe is used in mechanical and pressure applications, including ordinary steam, water, gas, and air pipeline services within the standard's scope. Its galvanized surface provides a zinc coating that helps protect the underlying steel against corrosion.

ASTM A53 covers three manufacturing types: Type F (furnace-butt-welded), Type E (electric-resistance-welded), and Type S (seamless). Grade B identifies the steel grade, while the pipe type identifies the manufacturing method. Both should be specified when ordering.

Our listed ERW galvanized pipe range provides one manufacturing option within our broader steel pipe product range.

02. Product Specifications & Size Selection

We offer galvanized round steel pipes in different dimensions and surface treatment configurations.

For ASTM A53 Grade B orders, the required steel grade, manufacturing type, dimensions, and galvanizing specification should be stated together.

Common Schedule 40 Pipe Dimensions

The following dimensions provide reference points for common Schedule 40 pipe selection.

Schedule 40 is a nominal wall-thickness series. When matching pipes to engineering drawings or existing connections, check the NPS, outside diameter, and wall thickness together.

Key Pipe Selection Factors

• Nominal Pipe Size: Select the required NPS according to the pipeline design.
• Wall Thickness and Schedule: Match the specified wall thickness to the engineering requirements.
• Manufacturing Type: Specify Type F, Type E, or Type S as applicable.
• Galvanizing: Select hot-dip galvanizing or pre-galvanizing according to the required product specification.
• Pipe Ends: Confirm whether plain, threaded, socket, or square-cut ends are required.

03. Galvanizing & Processing Options

Hot-Dip Galvanized Steel Pipes

Our listed hot-dip galvanized round pipes cover outside diameters from 21.3 mm to 600 mm, wall thicknesses from 0.8 mm to 25 mm, and zinc coating thicknesses from 35 μm to 200 μm.

The zinc coating provides a protective surface over the steel substrate, making hot-dip galvanized pipe a practical choice for applications requiring galvanized steel construction.

For ASTM A53/A53M-24 galvanized pipe, the standard specifies zinc coating mass requirements, including an average minimum of 0.55 kg/m² and a minimum of 0.49 kg/m² for an individual test specimen. The applicable internal and external coating requirements must also be considered.

Pre-Galvanized Steel Pipes

Our pre-galvanized range covers outside diameters from 21.3 mm to 114.3 mm, wall thicknesses from 0.6 mm to 2.5 mm, and zinc coating thicknesses from 5 μm to 25 μm.

Pre-galvanized and hot-dip galvanized pipes are separate product configurations. Their coating specifications should be matched to the intended application and purchase requirements.

Pipe End Processing

We list the following pipe-end processing options:

• Plain End: For plain-end pipe requirements.
• Threaded End: For threaded pipe connections.
• Socket End: For specified socket connection configurations.
• Square Cut: For fabrication and installation requirements.

Our broader steel pipe range also includes black steel pipe and painted surface options. These are separate product configurations from hot-dip galvanized ASTM A53 Grade B pipe.

04. Manufacturing, Quality Control & Company Supply

We are Shanxi Midas Industrial Co., Ltd., established in 2012 in Shanxi, China.

Our steel business covers steel coils, steel plates, steel strips, H-beams, and steel pipes. Our production and inspection operations support our wider steel product business, while our technical team provides product-related communication and order coordination.

For galvanized ASTM A53 Grade B pipe orders, the material grade, manufacturing type, pipe dimensions, and galvanizing requirements form the basis of product selection and quality inspection.

Relevant inspection requirements include:

• Chemical Composition: Verification against the applicable material grade requirements.
• Mechanical Properties: Evaluation of tensile properties and other specified mechanical requirements.
• Dimensional Inspection: Checking outside diameter and wall thickness.
• Weld Quality: Inspection for applicable welded pipe types.
• Pressure or Nondestructive Testing: Hydrostatic testing or permitted nondestructive examination according to the applicable specification.
• Galvanizing Inspection: Evaluation of zinc coating quality and surface condition.
• Material Documentation: Applicable material test certificates and inspection records.

These inspection requirements provide a basis for checking supplied pipes against the purchase specification and relevant project documentation.

05. Bulk Supply & Export Support

We supply steel products to customers across the Middle East, Southeast Asia, Central and South America, Europe, and Africa.

Our export service covers product consultation, quotation, order communication, production-related updates, inspection information, and after-sales feedback handling.

For galvanized steel pipe orders, our listed packaging options include:

• Steel-strip bundling for smaller-diameter pipes.
• Bulk packing for larger-diameter pipes.
• Woven fabric wrapping.
• Packaging according to agreed order requirements.

Packaging arrangements can be selected according to pipe dimensions, order quantity, and shipping requirements.

Providing the required pipe size, wall thickness, galvanizing specification, end processing, and estimated quantity allows us to prepare a quotation based on a clearly defined product configuration.

06. FAQ & RFQ