ASTM A53 Pipe Supplier
Leading ASTM A53 Pipe Supplier for Industrial & Commercial Piping Solutions
OIS Middle East is a trusted ASTM A53 Pipe Supplier, providing premium-quality seamless and Electric Resistance Welded (ERW) carbon steel pipes for a wide range of industrial applications. Manufactured in accordance with ASTM A53 / ASME SA53 standards, our pipes offer excellent strength, durability, and corrosion resistance for fluid transportation, structural applications, and mechanical systems.
Our ASTM A53 pipes are widely used across the oil & gas, petrochemical, construction, power generation, water treatment, fire protection, HVAC, marine, infrastructure, and manufacturing industries.
With extensive inventory, competitive pricing, technical expertise, and reliable logistics, OIS Middle East supplies ASTM A53 pipes throughout the UAE, GCC countries, Africa, and international export markets
ASTM A53 is the standard specification for seamless and welded black and hot-dip galvanized carbon steel pipes intended for mechanical, pressure, and general-purpose applications. These pipes are suitable for conveying water, steam, air, gas, oil, and other process fluids under moderate pressure and temperature conditions.
ASTM A53 pipes are known for:
- Excellent weldability
- Good mechanical strength
- High dimensional accuracy
- Corrosion resistance (galvanized option)
- Easy fabrication
- Cost-effective performance
We supply a comprehensive range of ASTM A53 pipes to suit diverse industrial requirements.
- Structural fabrication
- Water supply
- Mechanical systems
- Industrial piping
Grade B is the most widely used specification due to its higher tensile and yield strength
- Oil & gas pipelines
- Process piping
- Fire protection systems
- Industrial utilities
Suitable for industrial piping, compressed air systems, and structural applications
We stock ASTM A53 pipes in:
- ASTM A53 Grade A
- ASTM A53 Grade B
Equivalent specifications include:
- ASME SA53 Grade A
- ASME SA53 Grade B
- API 5L Grade B (Equivalent Applications)
- ASTM A106 Grade B (High-Temperature Service)
Our ASTM A53 pipes comply with internationally recognized standards.
- ASTM A53 / ASTM A53M
- ASME SA53
- ASTM A530
- API 5L (Selected Applications)
- ISO 3183
- EN Standards
- DIN Standards
Available in:
- SCH 10
- SCH 20
- SCH 30
- SCH 40
- SCH 60
- SCH 80
- SCH 100
- SCH 120
- SCH 140
- SCH 160
- XXS
Available lengths include:
- 6 Meter
- 12 Meter
- Single Random Length
- Double Random Length
- Custom Cut Length
Available pipe ends include:
- Plain End (PE)
- Bevel End (BE)
- Threaded End (TE)
- Grooved End
We offer multiple finishes to meet various service environments.
- Black Painted
- Bare Finish
- Hot-Dip Galvanized
- Fusion Bonded Epoxy (FBE)
- 3LPE Coating
- 3LPP Coating
- Internal Epoxy Coating
- Coal Tar Epoxy
| Specification | Details |
|---|---|
| Product | ASTM A53 Carbon Steel Pipe |
| Material | Carbon Steel |
| Standard | ASTM A53 / ASME SA53 |
| Grades | Grade A, Grade B |
| Manufacturing | Seamless & ERW |
| Size | ½”–48″ |
| Wall Thickness | SCH 10–XXS |
| Certification | EN 10204 3.1 / 3.2 |
Chemical Composition (Typical
| Element | Grade A | Grade B |
|---|---|---|
| Carbon (C) | 0.25 Max | 0.30 Max |
| Manganese (Mn) | 0.95 Max | 1.20 Max |
| Phosphorus (P) | 0.05 Max | 0.05 Max |
| Sulfur (S) | 0.045 Max | 0.045 Max |
| Cu, Ni, Cr, Mo, V* | ≤ 1.00 Total | ≤ 1.00 Total |
*When specified by the purchaser.
| Property | Grade A | Grade B |
|---|---|---|
| Minimum Tensile Strength | 330 MPa | 415 MPa |
| Minimum Yield Strength | 205 MPa | 240 MPa |
Widely used in fire sprinkler systems, hydrant pipelines, and fire water networks.
Our ASTM A53 pipes offer:
- High mechanical strength
- Excellent weldability
- Good corrosion resistance
- Suitable for pressure applications
- Available in seamless and ERW options
- Cost-effective solution
- Excellent dimensional accuracy
- Long service life
- Wide range of sizes and schedules
- Manufactured to international standards
- Hydrostatic Testing
- Ultrasonic Testing (UT)
- Eddy Current Testing
- Radiographic Testing (RT) (where applicable)
- Positive Material Identification (PMI)
- Tensile Testing
- Flattening Test
- Bend Test
- Chemical Analysis
- Mechanical Testing
- Dimensional Inspection
- Visual Inspection
- EN 10204 3.1 Mill Test Certificate
- EN 10204 3.2 Certificate (On Request)
- Material Test Reports (MTR)
- Hydrostatic Test Reports
- Inspection Reports
- Product Traceability Documentation
- EN 10204 3.1 Mill Test Certificate
- EN 10204 3.2 Certificate (On Request)
- Material Test Reports (MTR)
- Hydrostatic Test Reports
- Inspection Reports
- Product Traceability Documentation
