Technical Details Summary
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Material Grade: ASTM A53 Grade B (UNS K03005) / ASME SA53 Grade B
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Manufacturing Types: Type S (Seamless), Type E (Electric Resistance Welded - ERW), Type F (Furnace Butt Welded)
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Dimensional Range: 15 NB to 600 NB (1/2" NPS to 24" Outer Diameter); Schedules SCH 10 through SCH XXS
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Quality & Verification: Supplied with EN 10204 3.1 Mill Test Certificates (MTC); Open for 100% Third-Party Inspection (TPI)
ASTM A53 Grade B Pipes Overview
Trident Metal & Alloys is a premier Carbon Steel A53 Grade B Pipes Manufacturer in India, specializing in high-integrity pressure piping and fluid transmission systems. We stock ASTM A53 Grade B Seamless Pipe (Type S) for severe cold bending and ASTM A53 Grade B Welded Pipe (Type E - ERW) across SCH 10 to SCH XXS.
We solve urgent procurement challenges with ready-to-ship inventory from 1/2" to 24" NPS, complete with custom cut-to-length processing, factory beveling, and anti-corrosion coatings. As a trusted Carbon Steel A53 Grade B Pipes Supplier in India, every order complies with ASME B31.3 piping codes for immediate deployment.
All shipments are dispatched alongside EN 10204 3.1 MTCs and remain fully open for 100% Third-Party Inspection (TPI) by SGS, TUV, or Bureau Veritas. This guarantees complete material verification and eliminates compliance delays for major EPC and infrastructure projects.
For high-yield energy pipeline installations requiring API standards, explore our API 5L X52 Carbon Steel Pipes.
Technical Specifications
Manufacturing standards, dimensional capabilities, and end configuration options for ASTM A53 Grade B pipes.
| Technical Parameter | Specification Limits & Manufacturing Capabilities |
|---|---|
| Standard Specifications | ASTM A53 / ASME SA53, API 5L, ASTM A500 |
| Nominal Pipe Size (NPS) | 15 NB up to 600 NB (1/2" NPS to 24" NPS Outer Diameter) |
| Wall Thickness Schedules | SCH 5S, SCH 10S, SCH 10, SCH 20, SCH 40S, SCH 40, SCH STD, SCH 60, SCH 80S, SCH 80, SCH XS, SCH 100, SCH 120, SCH 140, SCH 160, SCH XXS |
| Type Configurations | Type S (Seamless), Type E (Electric Resistance Welded), Type F (Furnace Butt Welded) |
| Length Options | Single Random Length (SRL: 5–7 meters), Double Random Length (DRL: 11–13 meters), Custom Cut-to-Length |
| End Profiles | Plain End (PE), Beveled End (BE for butt welding), Threaded & Coupled (T&C) |
| Surface Finishes & Coatings | Black Varnish, Bare Untreated, Anti-Corrosion Rust Inhibitor Oil, Hot-Dip Galvanised (Zinc Coated), 3LPE, FBE |
Chemical & Mechanical Properties of ASTM A53 Grade B Pipes
Chemical Composition of ASTM A53 Grade B (Max. %)
| Chemical Element | Type S (Seamless) | Type E (ERW) | Type F (Furnace Welded) |
|---|---|---|---|
| Carbon (C) | 0.30% | 0.30% | 0.30% |
| Manganese (Mn) | 1.20% | 1.20% | 1.20% |
| Phosphorus (P) | 0.050% | 0.050% | 0.050% |
| Sulfur (S) | 0.045% | 0.045% | 0.045% |
| Copper (Cu) | 0.40% | 0.40% | 0.40% |
| Nickel (Ni) | 0.40% | 0.40% | 0.40% |
| Chromium (Cr) | 0.40% | 0.40% | 0.40% |
| Molybdenum (Mo) | 0.15% | 0.15% | 0.15% |
| Vanadium (V) | 0.08% | 0.08% | 0.08% |
Mechanical Properties of ASTM A53 Grade B (Min. Requirements)
| Property Parameter | ASTM A53 Grade B Requirement |
|---|---|
| Tensile Strength, Min | 60,000 psi [415 MPa] |
| Yield Strength, Min | 35,000 psi [240 MPa] |
Key Advantages ASTM A53 Grade B Seamless & Welded Pipes
Easy On-Site Welding
The balanced carbon composition allows A53 Grade B Carbon Steel Pipes to be welded quickly on site using standard welding gear without requiring expensive pre-heating or post-weld heat treatment.
Flexible Cold Bending
High material ductility lets these pipes bend easily in the field and undergo flange forming without cracking or weakening the pipe wall structure.
Leak-Proof Pressure Testing
Every single pipe length undergoes high-pressure water testing (hydrostatic) or advanced ultrasonic checks at the factory to guarantee 100% leak-free performance.
Long-Lasting Rust Protection
Smooth, clean pipe surfaces easily bind with protective coatings like hot-dip galvanizing or epoxy, keeping buried or exposed outdoor pipes safe from rust for decades.
Primary Industrial Applications of ASTM A53 Grade Pipes
General Fluid Transmission
Transport of water, low-pressure steam, compressed air, natural gas, and liquid hydrocarbons in manufacturing plants.
Structural Infrastructure
Steel piling pipes, structural columns, sign bridges, handrails, and heavy scaffolding frameworks.
HVAC & Fire Safety
Chilled water circulation loops, boiler feed lines, and wet/dry automatic fire sprinkler piping networks.
OEM Machinery Frames
Heavy equipment rollers, agricultural machinery frames, and hydraulic cylinder tubing.
Grade Selection: ASTM A53 Grade B vs API 5L X52
Comparative technical evaluation between general pressure piping (A53 Grade B) and high-yield line pipe (API 5L X52).
| Engineering Parameter | ASTM A53 Grade B | API 5L X52 (PSL1 / PSL2) |
|---|---|---|
| Primary Scope | Mechanical, structural, and general utility pressure piping | High-pressure oil, natural gas, and fuel transmission pipelines |
| Minimum Yield Strength | 240 MPa (35,000 psi) | 360 MPa (52,200 psi) |
| Minimum Tensile Strength | 415 MPa (60,000 psi) | 455 MPa (66,000 psi) |
| Yield-to-Tensile Ratio | Unspecified | Strictly controlled (≤ 0.93 for PSL2) |
| Impact Testing | Not required as standard | Mandatory Charpy V-Notch impact testing for PSL2 |
| Field Application | Plant piping, HVAC, steam, water, and structural frames | Cross-country trunklines, offshore risers, and high-yield line pipe |
Regional Supply Across India
Western Region (Maharashtra & Gujarat Industrial)
We supply ASTM A53 Grade B Pipes to chemical refineries, automotive plants, and fabrication stockyards across Mumbai, Pune, Thane, Navi Mumbai, Ahmedabad, Surat, Vadodara, Rajkot, Hazira, and Ankleshwar.
Northern & Central Region (NCR, Punjab & Madhya Pradesh)
Direct dispatch available for EPC contractors, structural fabricators, and machinery manufacturers in Delhi NCR, Faridabad, Gurgaon, Ghaziabad, Noida, Ludhiana, Indore, and Bhopal.
Southern Region (Tamil Nadu, Karnataka, Telangana & Andhra Pradesh)
Regular shipments of carbon steel pipes to thermal power stations, shipyards, and process plants in Chennai, Coimbatore, Bengaluru, Hyderabad, Visakhapatnam, and Tiruchirappalli.
Eastern Region (West Bengal, Odisha, Jharkhand & Chhattisgarh)
Bulk steel supply for heavy engineering works, mining infrastructure, and primary manufacturing hubs in Kolkata, Durgapur, Rourkela, Jamshedpur, Bhilai, and Paradip.
Quality Assurance
At Trident Metal And Alloys, every batch of ASTM A53 Grade B Pipes undergoes rigorous visual, dimensional, and metallurgical verification prior to dispatch.
Mill Test Certificates (MTC)
Dispatched with official EN 10204 3.1 certificates detailing chemical composition, yield strength, tensile properties, elongation, and hydrostatic test results.
Third-Party Inspection (TPI)
Fully open for independent verification by TUV, SGS, Bureau Veritas, DNV, or Lloyds.
Dimensional Checks
Rigorous physical testing for outer diameter (OD), wall thickness via ultrasonic gauges, bevel angle accuracy, and length tolerances.
All dispatches comply with dimensional tolerances established across our broader Carbon Steel Pipe Product Ranges.
Frequently Asked Questions
Q: What is the difference between ASTM A53 Grade A and ASTM A53 Grade B?
A: Grade B provides higher mechanical strength with a yield strength of 240 MPa and tensile strength of 415 MPa, compared to Grade A's 205 MPa yield and 330 MPa tensile ratings. Grade B is preferred for structural and pressure service requiring higher load capacity.
Q: What is the difference between Type S, Type E, and Type F in ASTM A53 Grade B?
A: Type S represents seamless pipe made without a weld seam. Type E is Electric Resistance Welded (ERW) with a longitudinal seam. Type F is furnace butt-welded.
Q: Can ASTM A53 Grade B pipe be threaded or bent?
A: Yes. A53 Grade B is designed for cold bending, flanging, and close coiling, and can be supplied with Plain Ends (PE), Beveled Ends (BE), or Threaded and Coupled (T&C) ends.
Q: Is ASTM A53 Grade B suitable for elevated temperature service?
A: For continuous steam lines exceeding 400°C, engineers typically specify ASTM A106 Grade B seamless pipe due to stricter temperature and graphitization parameters.
Q: Are test reports provided with every shipment?
A: Yes, all shipments include raw material Mill Test Certificates (MTC) conforming to EN 10204 3.1.
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