ASTM A691 5Cr-1/2Mo EFW Alloy Steel Pipe
A691 5CR Alloy Steel EFW Pipes are engineered for demanding industrial environments where high temperature, pressure, and corrosion resistance are essential. These pipes are manufactured using Electric Fusion Welding (EFW) techniques and are widely used in power plants, refineries, petrochemical units, and heat exchangers.
We offer premium-quality ASTM A691 5CR Pipe solutions that meet international standards and deliver consistent performance in critical applications. With years of experience in supplying alloy steel piping materials, we ensure every product is manufactured with precision, tested thoroughly, and delivered with complete certification.
What is ASTM A691 5CR Pipe?
ASTM A691 Grade 5CR Alloy Steel EFW Pipes are chromium-molybdenum alloy steel pipes designed for high-temperature service. The 5% chromium and 0.5% molybdenum composition provides excellent resistance to oxidation, corrosion, and creep deformation.
These pipes are produced by welding pressure vessel-quality plates, followed by heat treatment to enhance mechanical properties. This makes ASTM A691 Welded Pipes highly suitable for industries where durability and safety are critical.
Key Features of A691 5CR Alloy Steel EFW Pipes
Our A691 5CR Alloy Steel EFW Pipes are known for:
- Excellent high-temperature strength
- Superior corrosion and oxidation resistance
- Strong creep resistance for long-term service
- High durability under pressure conditions
- Uniform structure due to EFW manufacturing process
- Reliable performance in harsh environments
These features make A691 5CR Chrome Moly Pipes an ideal choice for critical industrial systems.
ASTM A691 Gr.5CR Cl22 EFW Steel Pipe – Technical Overview
ASTM A691 Gr.5cr Cl22 EFW Steel Pipe is a specific grade that undergoes heat treatment to achieve enhanced mechanical properties. Class 22 pipes are typically normalized and tempered, ensuring improved strength and toughness.
Manufacturing Process
- Raw material: Alloy steel plates (5Cr-1/2Mo composition)
- Forming: Plate rolling into cylindrical shape
- Welding: Electric Fusion Welding (EFW)
- Heat Treatment: Normalizing and tempering
- Testing: Non-destructive testing (NDT), hydrostatic testing
This process ensures that Alloy Steel A/SA 691 EFW Pipes meet stringent quality standards.
Chemical Composition of ASTM A691 5CR Pipes
| Element | Composition (%) |
| Carbon (C) | 0.05 – 0.15 |
| Chromium (Cr) | 4.00 – 6.00 |
| Molybdenum (Mo) | 0.45 – 0.65 |
| Manganese (Mn) | 0.30 – 0.60 |
| Silicon (Si) | 0.50 max |
| Phosphorus (P) | 0.025 max |
| Sulfur (S) | 0.025 max |
Mechanical Properties of Alloy Steel Grade 5 Cr Pipe
| Property | Value |
| Tensile Strength | 415 – 585 MPa |
| Yield Strength | ≥ 205 MPa |
| Elongation | ≥ 20% |
| Hardness | Moderate |
These properties make Alloy Steel Grade 5 Cr Pipe Exporter products suitable for high-stress applications.
Dimensions & Specifications
| Specification | Details |
| Standard | ASTM A691 / ASME SA691 |
| Grade | 5Cr-1/2Mo |
| Class | Cl22 |
| Pipe Type | EFW (Electric Fusion Welded) |
| Size Range | 6” NB to 100” NB |
| Wall Thickness | As per requirement |
| Length | Single Random / Double Random / Custom |
| End Type | Plain End / Beveled End |
| Surface Finish | Mill Finish / Coated |
We manufacture Alloy Steel A691 5 cr Welded Pipes in customized sizes to meet project-specific requirements.
Applications of A691 5 Cr EFW Pipes
Due to their exceptional properties, A691 5 Cr EFW Pipes are widely used in:
- Power generation plants
- Oil and gas refineries
- Petrochemical industries
- Heat exchangers and condensers
- Boilers and pressure vessels
- Chemical processing plants
As a trusted Chrome Moly A691 Gr 5 Cr Pipe Supplier, we cater to both domestic and international industrial projects.
Why Choose A691 5CR Chrome Moly Pipes?
Choosing A691 5CR Chrome Moly Pipes ensures:
- Long service life in high-temperature environments
- Reduced maintenance and downtime
- Excellent resistance to scaling and oxidation
- Cost-effective solution for heavy-duty operations
These benefits make them a preferred material in industries where failure is not an option.
Quality Assurance & Testing
We follow strict quality control measures to ensure the reliability of our ASTM S/A 691 Alloy Steel Welded Pipes Manufacturer in India products:
- Ultrasonic Testing (UT)
- Radiographic Testing (RT)
- Hydrostatic Testing
- Chemical Analysis
- Mechanical Testing
- Visual Inspection
Every pipe is supplied with Mill Test Certificates (MTC) to ensure traceability and compliance.
Exporter of A691 5CR Carbon Steel EFW Pipes
As a leading Exporter of A691 5CR Carbon Steel EFW Pipes, we serve clients across:
- Middle East
- Europe
- Southeast Asia
- Africa
Our global logistics network ensures fast and reliable delivery, making us a preferred partner for international buyers.
Advantages of ASTM A691 Welded Pipes
- High strength and durability
- Suitable for large diameter pipes
- Cost-effective compared to seamless pipes
- Excellent weld integrity
- Ideal for high-pressure applications
These advantages make ASTM A691 Welded Pipes a practical solution for heavy industrial use.
How to Choose the Right A691 5CR Pipe?
When selecting the right ASTM A691 5CR Pipe, consider:
- Operating temperature and pressure
- Required pipe size and thickness
- Industry standards and certifications
- Corrosion resistance requirements
- Project specifications
We assist customers in choosing the most suitable Alloy Steel A/SA 691 EFW Pipes based on their application needs.
Global Reach
ASC LLP boasts a robust global presence, committed to delivering unparalleled service and quality to clients around the world. Our dedication to prompt delivery and exceptional customer care sets us apart in the industry. Major corporations across the USA, Europe, Asia, and other regions place their trust in our high-quality A210 Grade C Tubes. This widespread trust underscores our reputation for reliability and excellence. By consistently meeting and exceeding the expectations of our international clientele, we continue to solidify our position as a leader in the global steel market.
Countries We Export To
UNITED STATES, EUROPE, UK, UAE, SAUDI ARABIA, OMAN, KUWAIT, JORDAN, QATAR, INDONESIA, MALAYSIA, BRAZIL, SPAIN, ITALY, FRANCE, GERMANY, BAHRAIN, SRI LANKA, AZERBAIJAN, AUSTRALIA, AUSTRIA, PHILIPPINES, TURKEY, RUSSIA, IRAN, IRAQ, CANADA, KOREA, JAPAN, YEMEN, FINLAND, ZIMBABWE, HUNGARY, PORTUGAL, VIETNAM, MOROCCO, THAILAND, SOUTH AFRICA, MEXICO, SINGAPORE, GREECE, KUWAIT, POLAND, NEW ZEALAND, SWEDEN, SWITZERLAND, BELGIUM, BHUTAN, BANGLADESH, TAIWAN, ROMANIA, CAMBODIA, KAZAKHSTAN, AFGHANISTAN.
