Technical Details Summary
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Manufacturing Processes: Hot finishing, cold drawing, seamless mandrel extrusion, electric resistance welding (ERW), drop forging, and anti-corrosive black varnishing.
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Dimensional Range: Seamless & Welded Line Pipes from 1/8" NB to 48" NB (SCH 10 to SCH XXS); Forged Flanges & Fittings from 1/2" to 24" (Class 150 to 2500).
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Manufacturing Standards: Fully compliant with ASTM, ASME, API, DIN, EN, and IS material specifications.
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Featured Product Categories: Carbon Steel Pipe, Carbon Steel Seamless Pipe, Carbon & Alloy Steel Pipes, Carbon Steel Flange, Carbon Steel Pipe Fittings.
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Material Grades: ASTM A106 Gr B, ASTM A53 Gr B, ASTM A333 Gr 6, API 5L X52 / PSL2, ST 52, MS ERW, MS Seamless.
Carbon Steel Material Overview
Carbon steel is a fundamental alloy for fluid transport, structural framing, and pressure equipment, offering high tensile strength and mechanical reliability without expensive nickel or chromium additions. Engineered across various carbon grades and heat treatments, it cleanly welds and handles extreme temperatures, thermal cycling, and heavy impacts.
Trident Metal & Alloys manufactures and stocks a comprehensive range of seamless pipes, welded lines, forged flanges, and fittings across all major carbon steel grades. All consignments include EN 10204 3.1 Mill Test Certificates (MTCs) compliant with ASME, ASTM, API, and Indian Standards.
Explore Our Carbon Steel Product Range
We manufacture, stock, and process heavy-wall seamless and welded carbon steel products engineered for critical line service:
- Carbon Steel Pipe: Standard and heavy-wall line pipes built for continuous fluid transfer, boiler lines, power generation, and structural piping setups.
- Carbon Steel Seamless Pipe: Pierced and cold-drawn high-integrity seamless tubes designed for high internal pressure, high-heat steam loops, and critical oil refineries.
- Carbon & Alloy Steel Pipes: Specialized heavy-wall pressure piping combining high tensile carbon grades with low-alloy elements for elevated temperature and stress environments.
- Carbon Steel Flange: Drop-forged weld neck, slip-on, blind, and socket-weld flanges matching Class 150 to Class 2500 pressure ratings for secure line jointing.
- Carbon Steel Pipe Fittings: Precision-shaped buttweld and forged elbows, tees, reducers, and caps designed for uniform pressure distribution and smooth directional flow.
Carbon Steel Pipes Standards & Specification Grades
Our inventory is organized across core industrial specification grades to meet specific temperature, pressure, and yield demands:
- High-Temperature Steam & Refinery Lines: Heavy-wall seamless pipes built for extreme heat and high-pressure steam distribution. Review specs for our ASTM A106 Grade B carbon steel pipes.
- Low-Pressure Plumbing & Structural Services: Dual-certified material ideal for general utility transmission, plumbing, and structural frameworks. Explore options from our ASTM A53 Grade B pipes range.
- Cryogenic & Low-Temperature Processing: Designed specifically for high-impact resistance in sub-zero environments down to -45°C. Contact us for certified low-temperature ASTM A333 Grade 6 pipes.
- High-Yield Oil & Gas Pipelines: High-toughness line pipes built for long-distance hydrocarbon transport and high internal pressures. Browse our API 5L X52 line pipes range.
- Precision Mechanical & Hydraulic Tubing: Heavy-wall seamless tubing engineered for mechanical components, hydraulic circuits, and machining. Explore specs for ST52 seamless carbon steel pipes.
- General Heavy Wall Stock: Cut-to-length seamless pressure tubing stocked across standard and custom schedule sizes. Browse available schedules and sizes for seamless carbon steel pipes.
Technical Specifications & Material Properties
Selecting the correct carbon steel grade depends on balancing chemical composition for field weldability with mechanical yield strength and thermal endurance:
Chemical Composition Comparison Table (%)
| Grade / Specification | Carbon (C) max | Manganese (Mn) | Phosphorus (P) max | Sulfur (S) max | Silicon (Si) |
|---|---|---|---|---|---|
| ASTM A106 Grade B | 0.30% | 0.29% – 1.06% | 0.035% | 0.035% | 0.10% min |
| ASTM A53 Grade B | 0.30% | 1.20% max | 0.050% | 0.045% | 0.10% min |
| ASTM A333 Grade 6 | 0.30% | 0.29% – 1.06% | 0.025% | 0.025% | 0.10% min |
| API 5L Grade X52 (PSL2) | 0.22% max | 1.40% max | 0.025% | 0.015% | 0.45% max |
| DIN 17121 ST52 | 0.22% max | 1.60% max | 0.040% | 0.035% | 0.55% max |
Mechanical Properties Comparison Table
| Grade / Specification | Yield Strength min (MPa / ksi) | Tensile Strength min (MPa / ksi) | Impact Test Temperature (°C) |
|---|---|---|---|
| ASTM A106 Grade B | 240 MPa / 35 ksi | 415 MPa / 60 ksi | Room Temp |
| ASTM A53 Grade B | 240 MPa / 35 ksi | 415 MPa / 60 ksi | Room Temp |
| ASTM A333 Grade 6 | 240 MPa / 35 ksi | 415 MPa / 60 ksi | -45°C (-50°F) |
| API 5L Grade X52 | 360 MPa / 52 ksi | 460 MPa / 66 ksi | -20°C to 0°C (PSL2) |
| DIN 17121 ST52 | 355 MPa / 51 ksi | 490 – 630 MPa | Room Temp |
Mild Steel (MS) ERW & Seamless Pipes
For lower-pressure industrial applications, civil construction, and water lines, low-carbon mild steel offers a cost-effective alternative to pressure-rated carbon steel:
- Electric Resistance Welded Lines: Ideal for fire protection networks, low-pressure fluid conveyance, and water transmission lines. Learn more about our electric resistance welded MS Pipes.
- Low-Pressure Seamless Tubing: Offers seamless structural integrity for general plant utility lines without high-alloy costs. Browse full specifications for heavy-duty MS seamless pipes.
Quality Verification & Testing Standards
Every carbon steel order processed by Trident Metal & Alloys undergoes strict multi-stage quality verification before dispatch:
Mill Test Certification (MTC)
EN 10204 3.1 material certificates providing full heat traceability, ladle chemical analysis, yield stress, tensile strength, and elongation percentages.
Hydrostatic & Pressure Proof Testing
100% hydrostatic testing on line pipes to verify zero leakage under peak working pressures.
Non-Destructive Testing (NDT)
Ultrasonic Testing (UT) for wall thickness and internal flaw verification, Radiographic Testing (RT) on welded seams, and Magnetic Particle Inspection (MPI) on drop-forged flanges.
Third-Party Inspection (TPI)
Complete support for client-nominated independent agencies, including TUV, Bureau Veritas, SGS, DNV, and Lloyd's Register.
Request a Quote
Get in touch with Trident Metal & Alloys for direct factory pricing, ready stock availability, and technical material selection support for all your carbon steel requirements.
Email Inquiries: tridentmetal96@yahoo.com
Direct Phone / WhatsApp: +91 9619282829
