Alloy Steel Pipes and Tubes Manufacturers and Exporters
Alloy Steel Pipe Manufacturer, ASTM A335 Alloy Steel Tubes, Alloy Steel High-Pressure Pipe Exporter, ASTM A691 Alloy Steel Pipes & Tubes Manufacturer in India
Arham Alloys are suppliers of Alloy 1100 Pipes & Tubes, Aluminium Alloy 1100 Pipes & Tubes, Alloy UNS A91100 Pipes & Tubes, Aluminium Alloy ASTM B211 Pipes & Tubes, Alloy ASTM B-209M Pipes & Tubes. Alloy Steel Pipes & Tubes are medium quality compound Pipes & Tubes with outstanding erosion resistance. These Alloy Pipes & Tubes are made by surpassing aluminium between moves underneath the weight, it gets to be more slender and more in the moving heading. Alloy steel is steel that alloyed with a wide variety of elements—from as little as 1% to as much as 50%—by weight, with each combination improving the steel’s mechanical properties. Its versatility makes it the alloy of choice for use in aerospace, spacecraft, and nuclear reactors.
Features of Alloy Steel Pipes and Tubes:-
| High strength | Resistance against corrosion |
| Resistance against High pressure | Resistance against High temperature |
| Resistance against Dimensions stability | Longer service life |
| Resistance against High mechanical stress | |
Specifications of Alloy Steel Pipes and Tubes:-
| Specifications | ASTM A 335 ASME SA 335 |
| Dimensions | ASTM, ASME and API |
| Size | 1/8″NB TO 30″NB IN |
| Tubing Size | 1 / 2” OD up to 5” OD, customs diameters also available |
| Outer Diameter | 6-2500mm; WT:1-200mm |
| Schedule | SCH20, SCH30, SCH40, STD, SCH80, XS, SCH60, SCH80, SCH120, SCH140, SCH160, XXS |
| Grade | STM A335 Gr. P5, P9, P11, P12, P21, P22 & P91, ASTM A213 – T5, T9, T11, T12, T22, T91, ASTM A691 |
| Length | Within 13500mm |
| Type | Seamless / Fabricated |
| Form | Round, Hydraulic Etc |
| Length | Single Random, Double Random & Cut Length. |
| End | Plain End, Beveled End, Treaded |
Alloy Steel ERW Pipes Chemical Properties:-
| Alloy Steel | C | Cr | Mn | Mo | P | S | Si |
| 0.05 – 0.15 | 1.00 – 1.50 | 0.30 – 0.60 | 0.44 – 0.65 | 0.025 max | 0.025 max | 0.50 – 1.00 |
Mechanical Properties of Alloy Steel Pipes :-
| Tensile Strength, MPa | Yield Strength, MPa | Elongation, % |
| 415 min | 205 min | 30 min |
Outside Diameter & Tolerance of ASME SA335 Alloy Pipe:-
| STM A450 | Hot rolled | Outside Diameter, mm | Tolerance, mm |
| OD≤101.6 | +0.4/-0.8 | ||
| 101.6＜OD≤190.5 | +0.4/-1.2 | ||
| 190.5＜OD≤228.6 | +0.4/-1.6 | ||
| Cold Drawn | Outside Diameter, mm | Tolerance, mm | |
| OD＜25.4 | ±0.10 | ||
| 25.4≤OD≤38.1 | ±0.15 | ||
| 38.1＜OD＜50.8 | ±0.20 | ||
| 50.8≤OD＜63.5 | ±0.25 | ||
| 63.5≤OD＜76.2 | ±0.30 | ||
| 76.2≤OD≤101.6 | ±0.38 | ||
| 101.6＜OD≤190.5 | +0.38/-0.64 | ||
| 190.5＜OD≤228.6 | +0.38/-1.14 | ||
| ASTM A530 & ASTM A335 | NPS | Outside Diameter, inch | Tolerance, mm |
| 1/8≤OD≤1-1/2 | ±0.40 | ||
| 1-1/2＜OD≤4 | ±0.79 | ||
| 4＜OD≤8 | +1.59/-0.79 | ||
| 8＜OD≤12 | +2.38/-0.79 | ||
| OD>12 | ±1% |
ASME SA335 Alloy Steel Custom Pipes Wall thickness:-
| STM A450 | Hot rolled | Outside Diameter, mm | Tolerance, % |
| OD≤101.6, WT≤2.4 | +40/-0 | ||
| OD≤101.6, 2.4＜WT≤3.8 | +35/-0 | ||
| OD≤101.6, 3.8＜WT≤4.6 | +33/-0 | ||
| OD≤101.6, WT>4.6 | +28/-0 | ||
| OD>101.6, 2.4＜WT≤3.8 | +35/-0 | ||
| OD>101.6, 3.8＜WT≤4.6 | +33/-0 | ||
| OD>101.6, WT>4.6 | +28/-0 | ||
| Cold Drawn | Outside Diameter, mm | Tolerance, % | |
| OD≤38.1 | +20/-0 | ||
| OD>38.1 | +22/-0 | ||
| ASTM A530 | NPS | Outside Diameter, inch | Tolerance, % |
| 1/8≤OD≤2-1/2 | +20.0/-12.5 | ||
| 3≤OD≤18, WT/OD≤5% | +22.5/-12.5 | ||
| 3≤OD≤18, WT/OD>5% | +15.0/-12.5 | ||
| OD≥20, WT/OD≤5% | +22.5/-12.5 | ||
| OD≥20, WT/OD>5% | +15.0/-12.5 |
Arham Alloys: Pioneering Alloy Steel Pipe Manufacturers Advancing High-Performance Piping Solutions
In the demanding realm of extreme-service piping where temperature, pressure, and corrosive environments push materials to their operational limits, the sophistication of alloy engineering determines the boundary between reliable operation and catastrophic failure. Arham Alloys stands at the technological forefront among alloy steel pipe manufacturers, delivering comprehensive solutions that harness the power of strategic alloying to create piping products exceeding the capabilities of plain carbon steel. As distinguished suppliers of ASTM A335 alloy steel tubes, high-pressure alloy steel pipes, and ASTM A691 alloy steel pipes & tubes, we serve India and international markets with materials engineered for the most challenging industrial applications.
Alloying Science Revolution: How Strategic Elements Transform Steel Performance
Alloy steel is steel that is alloyed with a wide variety of elements—from as little as 1% to as much as 50% by weight—with each combination improving the steel’s mechanical properties in targeted ways that plain carbon steel cannot achieve. This sophisticated materials engineering approach enables property customization impossible through carbon content variation alone, creating steels that maintain strength at elevated temperatures, resist aggressive corrosion, withstand extreme pressures, and perform reliably in environments where conventional materials fail catastrophically.
The versatility inherent in alloy steel pipes & tubes makes them the material of choice for use in aerospace, spacecraft, and nuclear reactors where performance margins are razor-thin and failure consequences are unacceptable. These extreme applications demand materials maintaining structural integrity under conditions that would cause ordinary steels to creep, oxidize, or lose strength. The strategic selection and precise control of alloying elements create microstructures with properties tailored to specific service demands, transforming steel from a commodity material into an engineered solution.
Critical Alloying Elements: The Chemical Architecture Behind Superior Alloy Steel Pipe Properties
Chromium additions dramatically enhance high-temperature oxidation resistance and provide the foundation for corrosion resistance through passive film formation. In alloy steel pipe applications involving elevated temperatures or mildly corrosive environments, chromium content from 1% to 9% creates performance capabilities far exceeding plain carbon steel while maintaining reasonable costs and fabrication characteristics.
Molybdenum improves high-temperature strength, enhances hardenability, and provides resistance to sulfide stress cracking in sour gas environments. The presence of molybdenum in alloy steel pipes & tubes enables reliable service in petroleum refining, where hydrogen at elevated temperatures and pressures creates conditions causing rapid degradation of non-alloyed materials. Vanadium refines grain structure, increases strength, and improves high-temperature creep resistance, essential for power generation applications where sustained loading at elevated temperatures occurs continuously.
Nickel enhances low-temperature toughness, improves corrosion resistance, and stabilizes austenitic microstructures at ambient temperatures. Applications involving cryogenic fluids or requiring guaranteed impact toughness at low temperatures specify nickel-containing alloy steel pipes & tubes for reliable performance. Tungsten provides extreme high-temperature strength and wear resistance, though its high cost limits use to specialized applications where alternatives prove inadequate.
Manufacturing Sophistication: Seamless Production Techniques for Alloy Steel Seamless Pipes & Tubes
Alloy steel seamless pipes & tubes represent the premium tier of piping products where manufacturing complexity meets application criticality. The seamless construction eliminates longitudinal weld seams, creating products with isotropic properties and uniform strength throughout the circumference. This construction proves essential in applications where weld zones would create potential failure initiation sites under cyclic loading, extreme temperatures, or corrosive attack.
The manufacturing of alloy steel seamless pipes & tubes begins with carefully controlled melting and casting operations producing billets with precise chemistry and minimal inclusions. Hot piercing operations create the initial hollow form, followed by multiple rolling passes reducing wall thickness and refining grain structure. The elevated processing temperatures required for alloy steels, combined with their work-hardening characteristics, demand sophisticated process control and specialized equipment capabilities distinguishing premium manufacturers from commodity producers.
Post-rolling heat treatment protocols optimize microstructure and mechanical properties for specific service conditions. Normalizing refines grain structure and ensures uniform properties. Annealing maximizes ductility for forming operations. Solution treating and aging develop precipitation-hardened microstructures delivering enhanced strength. The precise control of time, temperature, and cooling rates during heat treatment represents critical manufacturing expertise enabling reliable performance in demanding applications.
Specification Mastery: ASTM Standards Defining Alloy Steel Pipes & Tubes Performance
ASTM A335 represents the standard specification for seamless ferritic alloy steel pipes & tubes for high-temperature service in power generation, petroleum refining, and chemical processing. The multiple grades within this specification—P5, P9, P11, P22, P91, P92—provide increasing chromium and molybdenum content delivering enhanced high-temperature strength and oxidation resistance. Material selection within the A335 family enables optimization for specific temperature ranges and service conditions.
ASTM A691 covers electric-fusion-welded steel pipe for atmospheric and lower temperatures, with grades specified by chemistry and mechanical properties. This specification addresses applications where welded construction provides economic advantages while alloy content delivers performance exceeding plain carbon steel capabilities. The combination of welded construction efficiency and alloy performance creates cost-effective solutions for moderate-severity applications.
High-Pressure Dominance: Engineering Alloy Steel Pipe for Extreme Pressure Applications
High-pressure alloy steel pipe applications in power generation, hydroprocessing, and chemical synthesis demand materials maintaining mechanical integrity under sustained pressures that would cause creep deformation or rupture in ordinary steels. The enhanced strength provided by alloying enables thinner walls for equivalent pressure ratings, reducing weight and material costs while improving heat transfer in thermal applications.
The creep resistance characteristic of high-alloy grades proves essential in high-temperature, high-pressure services where sustained loading causes time-dependent deformation in plain carbon steels. Chromium-molybdenum alloys maintain adequate creep strength at temperatures where carbon steel would experience progressive deformation leading to eventual failure. This temperature-strength stability enables power plants and refineries to operate at conditions optimizing efficiency and throughput without compromising safety margins.
Supplier Network Excellence: Comprehensive Inventory from Leading Alloy Steel Pipe Suppliers
As established alloy steel pipe suppliers, we maintain strategic inventory across multiple grades, sizes, and specifications ensuring immediate availability of common materials while providing access to specialty grades through mill relationships and supplier networks. This dual-capability approach—maintaining stock of frequently-used specifications while enabling efficient sourcing of exotic materials—distinguishes comprehensive suppliers from limited-inventory commodity providers.
The inventory investment in alloy steel pipes & tubes represents significant capital commitment reflecting decades of experience understanding which materials move regularly and what quantities support customer demands without excessive carrying costs. Strategic stock holdings of A335 P5, P11, and P22 grades serve the majority of power generation and refining requirements, while relationships with specialty mills enable sourcing of advanced grades like P91 and P92 for ultra-supercritical power applications.
Corrosion Combat: How Alloy Steel Tube Suppliers Address Chemical Attack Challenges
Resistance against corrosion represents a fundamental advantage of alloy steel pipes & tubes over plain carbon alternatives. The chromium content in low-alloy steels provides modest general corrosion resistance through passive film formation, while higher chromium contents approaching 9% deliver performance in mildly acidic or oxidizing environments. This corrosion resistance, combined with superior mechanical properties, enables use in applications where plain carbon steel would require expensive protective coatings or suffer unacceptable corrosion rates.
Alloy steel tube suppliers serve industries facing specialized corrosion challenges including sulfidic corrosion in sour gas service, naphthenic acid corrosion in crude processing, and hydrogen attack in hydroprocessing. Specific alloy compositions address each corrosion mechanism—chromium-molybdenum alloys resist sulfidic attack, while silicon additions combat naphthenic acid. The availability of application-matched alloys enables reliable service in environments impossible for ordinary materials.
Temperature Extremes Mastery: Performance Across the Thermal Spectrum
Resistance against high temperature represents perhaps the most critical advantage of alloy steel pipes & tubes in power generation and petroleum processing applications. Plain carbon steel loses strength rapidly above 400°C, while low-alloy steels maintain adequate strength to 565°C, and advanced chromium-molybdenum-vanadium alloys serve reliably to 650°C. This high-temperature capability enables more efficient power generation through elevated steam conditions and facilitates hydroprocessing operations requiring extreme temperatures.
Conversely, nickel-containing alloys provide enhanced low-temperature toughness for cryogenic applications. While plain carbon steel becomes dangerously brittle below -20°C, 3.5% nickel steel maintains adequate toughness to -100°C, enabling LNG processing and cryogenic storage applications. This temperature versatility—from cryogenic to extreme elevated temperatures—makes alloy steel pipe the material system of choice across the complete industrial temperature spectrum.
Dimensional Precision Architecture: Size Ranges Serving Diverse Applications
Our alloy steel pipes & tubes inventory spans diameters from small instrumentation tubing through large process piping, with wall thicknesses from light gauge through heavy wall for ultra-high-pressure service. This comprehensive dimensional range enables single-source material procurement for entire facilities, simplifying logistics and ensuring specification consistency across projects. The availability of both seamless and welded construction across the size range provides options balancing performance requirements against economic constraints.
Small diameter seamless alloy steel seamless pipes & tubes serve in high-pressure instrumentation, sample systems, and compact heat exchangers where space constraints demand efficient packaging. Medium diameters address general process piping, utility distribution, and equipment interconnections. Large diameter pipes serve main process lines in refineries, steam distribution in power plants, and large-scale chemical processing operations requiring substantial flow capacity.
Quality Assurance Infrastructure: Testing Protocols Exceeding Industry Standards
Every batch of alloy steel pipes & tubes undergoes comprehensive testing verifying chemical composition through optical emission spectroscopy, mechanical properties through tensile and impact testing, and dimensional accuracy through measurement protocols. Hydrostatic testing confirms pressure integrity, while non-destructive examination including ultrasonic testing and eddy current inspection detects discontinuities that could compromise service performance.
Material test reports documenting this verification provide complete traceability from melt through finished product. Heat treatment records, mechanical test data, chemical analysis, and dimensional inspection results enable fabricators to demonstrate compliance with code requirements and customer specifications. Third-party inspection services witness testing and verify documentation for critical applications requiring enhanced quality assurance.
Industry Applications: Sectors Depending on Alloy Steel Pipes & Tubes
Power generation facilities represent major consumers of alloy steel pipes & tubes for boiler tubes, superheater elements, reheater piping, and main steam lines where high-temperature strength and oxidation resistance are essential. The evolution toward higher steam conditions in pursuit of efficiency gains drives continuous advancement in alloy development, with materials like P91 and P92 enabling ultra-supercritical plants operating above 600°C.
Petroleum refining operations utilize alloy steel pipe throughout their facilities—from crude distillation columns operating at moderate temperatures to hydroprocessing units requiring materials resisting hydrogen attack and sulfidic corrosion at elevated temperatures and pressures. Chemical processing plants employ alloy steel for reactors, heat exchangers, and piping systems handling corrosive chemicals at elevated temperatures. Fertilizer production, particularly ammonia synthesis, demands materials withstanding hydrogen at extreme pressures and temperatures.
Technical Collaboration Framework: Engineering Partnership Beyond Material Supply
As experienced alloy steel tube suppliers, we provide engineering support extending beyond product delivery to encompass application consultation, material selection guidance, and performance troubleshooting. Our technical team assists customers in navigating the complex landscape of alloy grades, helping match material capabilities to service conditions while optimizing project economics. This consultative approach prevents costly specification errors while ensuring selected materials deliver reliable long-term performance.
Application troubleshooting services address performance issues, premature failures, and operational challenges by analyzing material characteristics, service conditions, and system design. Our metallurgical expertise enables rapid problem diagnosis and solution development, whether through material specification changes, heat treatment modifications, or operational parameter adjustments. This technical partnership philosophy reflects our commitment to customer success rather than transactional material sales.
The Arham Alloys Distinction: Where Metallurgical Expertise Meets Customer Commitment
Our position among premier alloy steel pipe manufacturers in India reflects decades of commitment to metallurgical excellence, comprehensive inventory management, and customer-focused service. The combination of material expertise, quality assurance infrastructure, technical support capability, and logistics excellence creates value extending far beyond commodity material supply. Strategic relationships with leading mills ensure access to advanced materials while our quality systems guarantee specification compliance.
Contact Arham Alloys today to discuss your alloy steel pipes & tubes requirements. Discover how our comprehensive product range including alloy steel seamless pipes & tubes, competitive positioning as trusted alloy steel pipe suppliers, specialized capabilities in high-pressure alloy steel pipe applications, and technical expertise can support your success in power generation, petroleum refining, chemical processing, and other demanding industrial applications requiring materials engineered for extreme service conditions.
Product Usage & Application:-
- Useful in Paper & Pulp Companies
- Useful in High-Pressure Applications
- Useful in Oil and Gas Industry
- Useful in Chemical Refinery
- Useful in Pipeline
- Useful in High-Temperature Application
- Useful in Water Pipe Line
- Useful in Nuclear Power Plants
- Useful in Food Processing and Dairy Industries
- Useful in Boiler & Heat Exchangers
We Export To :
Kazakhstan, Algiers, Johannesburg, Pretoria, Dakar, Ghana, Uganda, Mozambique, Iraq, Subra al-Haymah, Australia, Yaoundé, South Africa, Saudi Arabia, Kampala, Benin, Ethiopa, Kuwait, Luanda, Abu Dhabi, Peru, Sudan, Colombia, Nairobi, Turkey, Russia, Khartoum, Kano, UAE, Bahrain, Cape Town, Trinidad and Tobago, Dar es Salaam, Nigeria, Antananarivo, Tripoli, Addis Ababa, London, Douala, Lebanon, Tunisia, Ouagadougou, Mogadishu, Harare, Mbuji-Mayi, Qatar, Zaria, Soweto, Omdurman, Angola, Alexandria, Dubai, Yemen, Casablanca, Africa, Oman, Giza, Kinshasa, Bamako, UK, Houston, Accra, Algeria, Argentina, Cairo, Chine, Kolwezi, Hong Kong, Abidjan, Vietnam, Port Elizabeth, Maputo, Maiduguri, Canada, Port Harcourt, Singapore, Egypt, Venezuela, Freetown, Ibadan, Iran, Fez, Malaysia, Mexico, Cameroon, New York, Indonesia, Italy, Azerbaijan, Israel, Conakry, Brazil, Democratic Republic of the Congo, New Zealand, Morocco, Jordan, United States, Thailand (Bangkok), Cyprus, Sri Lanka, Rabat, Bulawayo, Kaduna, Durban, Colombo, Germany, Lubumbashi, Lagos, Brazzaville.
We Supply To :
Tripura, Ahmedabad, Kolkata, Lucknow, Andhra Pradesh, Pune, Ambala, Maiduguri, Buxar, Puducherry, Karnataka, Maharashtra, Bhiwadi, Surat, Mizoram, Manipur, Delhi, Bangalore, Kerala, Ballia, Jamalpur, Chennai, Jaipur, Hyderabad, Indore, Patna, Agra, West Bangal, Ranchi, Durg, Bilaspur, Raipur, Satpura, Malwa, Kanpur, Dehradun etc.
