ASTM A53 Galvanized Seamless Steel Pipe is a high-performance carbon steel tubing solution engineered for demanding mechanical and pressure applications. Manufactured in strict compliance with the ASTM A53/A53M international standard, this seamless pipe combines the structural integrity of a jointless design with the enhanced corrosion resistance of a hot-dipped galvanized coating. It is widely recognized for its reliability in fluid transport, structural support, and industrial machinery across global markets.
Products Description
|
Product |
ASTM A53 Galvanized Seamless Steel Pipe |
| Process | Hot-Rolled,Cold Drawn |
| Material Grade | Gr A , Gr B |
| Size Range | OD 1/2"~36"(21.3~914mm), Thickness 0.055"~2"(1.65~50mm) |
| Pipe Length | 5.8m, 6m,12m,as requirement |
| Pipe Ends | Plain, Bevel, Threading and coupling, Grooved |
| Surface Treatment | bare, black paint, anti-rust oil,galvanized |
| Application | oil , gas, water transportations, industires, Structure. |
Manufacturing Process & Surface Treatment
Produced via advanced seamless hot-rolling or cold-drawing techniques, ASTM A53 Galvanized Seamless Steel Pipe undergoes precise hot piercing for smaller diameters and hot extrusion for larger sizes, ensuring uniform wall thickness and superior mechanical strength.
The galvanized coating is applied through a hot-dip process, delivering a zinc layer of approximately 220–260 g/m².
Additional surface treatments, including black painting, varnish lacquer, anti-rust oil, epoxy, FBE, or 3PE coatings, are available to meet specific environmental and operational demands.
Chemical Composition & Mechanical Properties
Chemical Composition :
| Element | Grade A, max (%) | Grade B, max (%) |
|---|---|---|
| Carbon (C) | 0.25 | 0.30 |
| Manganese (Mn) | 0.95 | 1.20 |
| Phosphorus (P) | 0.05 | 0.05 |
| Sulfur (S) | 0.045 | 0.045 |
| Copper (Cu)* | 0.40 | 0.40 |
| Nickel (Ni)* | 0.40 | 0.40 |
| Chromium (Cr)* | 0.40 | 0.40 |
| Molybdenum (Mo)* | 0.15 | 0.15 |
| Vanadium (V)* | 0.08 | 0.08 |
*Note: The total composition for these five alloying elements (Cu, Ni, Cr, Mo, V) shall not exceed 1.00%.
Mechanical Properties：
| Property | Grade A, minimum | Grade B, minimum |
|---|---|---|
| Tensile Strength | 48,000 psi (330 MPa) | 60,000 psi (415 MPa) |
| Yield Strength | 30,000 psi (205 MPa) | 69,000 psi (240 MPa) |
Features & Advantages
Seamless Integrity: Eliminates weld seams, providing consistent pressure resistance and reducing the risk of structural failure under high stress.
Superior Corrosion Resistance: The hot-dipped zinc coating effectively shields the steel substrate from moisture, chemicals, and atmospheric exposure, significantly extending service life.
Excellent Formability: Suitable for welding, coiling, bending, and flanging operations without compromising structural integrity.
High Strength & Durability: Engineered to withstand high-pressure fluid transport and heavy mechanical loads, meeting rigorous industrial performance standards.
Quality control
* Hydrostatic Pressure Testing
* Non-Destructive Testing (Eddy Current, Ultrasonic)
* Chemical composition test
* Mechanical Property Testing
* Dimension & Visual Inspection
* Full Traceability (Mill Test Certificates 3.1 provided)
Welcome to inquire
Kevin
Tianjin shenzhoutong steel pipe co.,ltd
kevin@tjshenzhoutong.com
Mob/whatsapp/wechat +86 15267768016
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