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ASTM A53 Carbon Steel Pipe - Seamless and Welded for Structural and Mechanical Applications
China
Supplier's customization ability
- Drawing-based customization
- Sample-based customization
- Full customization
Minimum order quantity: 1 ton
Shipping total: To be negotiated
- Lead time:
- confirmed with the quotation
- Packaging:
- standard export packing
- Samples:
- available on request
Product details
Technical Specifications of ASTM A53 Carbon Steel Pipe
| Property | Parameter | Description |
|---|---|---|
| Product Name | ASTM A53 Carbon Steel Pipe | Welded and seamless carbon steel pipe for general structural and pressure applications |
| Material Grade | ASTM A53 Grade A / Grade B | Two grades available based on mechanical properties |
| Manufacturing Process | Type E (ERW), Type S (Seamless), Type F (Furnace-Welded) | Three manufacturing types per ASTM A53 standard |
| Standard Compliance | ASTM A53 / ASME SA53 / API 5L | Meets major international pipe standards |
| Carbon (C) | ≤0.25% (Gr.A) / ≤0.30% (Gr.B) | Carbon content varies by grade |
| Manganese (Mn) | ≤0.95% (Gr.A) / ≤1.20% (Gr.B) | Enhances strength and hardenability |
| Phosphorus (P) | ≤0.05% | Controlled for improved ductility |
| Sulfur (S) | ≤0.045% | Low sulfur for better weldability |
| Tensile Strength | ≥330 MPa (Gr.A) / ≥415 MPa (Gr.B) | Minimum tensile strength per ASTM A53 |
| Yield Strength | ≥205 MPa (Gr.A) / ≥240 MPa (Gr.B) | Minimum yield strength per grade |
| Elongation | ≥25% (Gr.A) / ≥22.5% (Gr.B) | Ductility in 50mm gauge length |
| OD Range | NPS 1/8 (10.3mm) - NPS 26 (660mm) | Available nominal pipe sizes |
| Wall Thickness | SCH 10 - SCH 160 / STD / XS / XXS | Standard schedule and custom thickness |
| Length | 5.8m - 12m or custom | Random and definite cut lengths available |
| Surface Treatment | Black, Galvanized (Hot-Dip Zinc Coated), Oiled | Multiple surface protection options |
| End Finish | Plain End, Beveled, Threaded and Coupled | Per customer requirements |
| Application | Structural, Plumbing, Fire Protection, Oil & Gas, Fencing | Suitable for mechanical and pressure applications |
| Certification | EN 10204 3.1, ISO 9001, API 5L, UL/FM (for fire protection) | Quality certifications provided |
| Packaging | Bundled with steel strips, plastic caps on ends | Standard export packaging |
| MOQ | 5 tons | Minimum order quantity |
ASTM A53 Carbon Steel Pipe - Seamless and Welded for Structural and Mechanical Applications
ASTM A53 carbon steel pipe is one of the most frequently specified tubular products in the global steel industry, serving as a fundamental component for structural frameworks, mechanical systems, fluid conveyance, and general construction. Manufactured in both seamless and welded (ERW) configurations, this pipe grade delivers reliable mechanical performance, consistent dimensional accuracy, and proven compatibility with threading, grooving, and welding operations. Engineers, contractors, and procurement professionals across oil and gas, construction, and water infrastructure sectors rely on ASTM A53 pipe for its dependable strength-to-cost ratio and broad availability in standard sizes.
What Is ASTM A53 Carbon Steel Pipe?
ASTM A53 carbon steel pipe is a hot-dipped galvanized or black carbon steel pipe manufactured under the ASTM A53/A53M standard. It is available in three types—Type F (furnace-butt welded), Type E (electric-resistance welded), and Type S (seamless)—and two grades: Grade A and Grade B, with Grade B offering higher tensile and yield strength properties suited for pressure and structural service.
ASTM A53 Carbon Steel Pipe Technical Specifications
The mechanical and chemical properties of ASTM A53 pipe conform to strict requirements defined in the ASTM A53/A53M-22 standard. Below are the key parameters for the most commonly ordered Grade B:
| Property | Grade A | Grade B |
|---|---|---|
| Minimum Yield Strength | 205 MPa (30,000 psi) | 240 MPa (35,000 psi) |
| Minimum Tensile Strength | 330 MPa (48,000 psi) | 415 MPa (60,000 psi) |
| Carbon Content (max) | 0.25% | 0.30% |
| Manganese Content (max) | 0.95% | 1.20% |
| Phosphorus (max) | 0.05% | 0.05% |
| Sulfur (max) | 0.045% | 0.045% |
| Available Sizes (NPS) | 1/8" to 26" (DN6 to DN650) | |
| Wall Thickness Schedules | SCH 10 through SCH 160, STD, XS, XXS | |
Each pipe undergoes hydrostatic testing or nondestructive electric testing per ASTM A53/A53M Section 10, ensuring pressure integrity before shipment. Zinc coating weight for galvanized pipe meets ASTM A53 Section 11.3 requirements at a minimum of 0.55 kg/m² on the outer surface.
Key Applications of ASTM A53 Pipe
- Structural and scaffolding systems: Grade B seamless and ERW pipes serve as columns, braces, and load-bearing members in commercial and industrial construction projects.
- Water and steam conveyance: Black and galvanized ASTM A53 pipe finds extensive application in municipal water distribution, fire protection sprinkler lines, and low-pressure steam systems.
- Oil and gas gathering lines: Type S (seamless) pipe is commonly employed for moderate-pressure hydrocarbon transport in upstream and midstream operations.
- Mechanical and general engineering: Fence posts, bollards, handrails, and machine frames commonly utilize this specification due to its excellent weldability and machinability.
Frequently Asked Questions
What is the minimum order quantity (MOQ) for ASTM A53 carbon steel pipe?
Our standard MOQ starts at 1 metric ton for common sizes in stock. For non-standard dimensions or custom lengths, a minimum of 5 metric tons per size may apply depending on mill production schedules.
Do you provide material test certificates?
Yes. Every shipment includes EN 10204 Type 3.1 Mill Test Certificates (MTC) documenting chemical composition, mechanical test results, hydrostatic test pressure, and dimensional inspection data traceable to the production heat number.
What is the typical delivery time?
Stock items in standard sizes typically ship within 5–7 business days. Mill-direct orders for custom schedules or large-volume requirements generally require 25–35 days from order confirmation, subject to production queue availability.
Can you cut to custom sizes?
Absolutely. We offer precision cutting, beveling, threading (NPT/BSP), and grooving services. Custom cut lengths from 0.5 m to 12 m are available with tolerances conforming to ASTM A53/A53M Section 12 requirements.
Get a Competitive Quote for ASTM A53 Carbon Steel Pipe
Whether you need seamless or ERW ASTM A53 pipe in black or galvanized finish, our team provides mill-direct rates with full documentation and flexible processing services. Contact us today with your required specifications—including size, schedule, grade, quantity, and delivery destination—and receive a detailed quotation within 24 hours.
Ratings & Reviews
Know your supplier
Supplier's customization ability
- Drawing-based customization
- Sample-based customization
- Full customization
Minimum order quantity: 1 ton
Shipping total: To be negotiated
- Lead time:
- confirmed with the quotation
- Packaging:
- standard export packing
- Samples:
- available on request
