HAINER STEEL Pipes & Tubes

Premium Pipeline Solutions

Comprehensive range of seamless and welded pipes for critical industrial applications worldwide

7 Product Categories

1/2" - 60" Size Range

100% Mill Tested

Your Complete Pipe & Tube Partner

HAINER STEEL delivers premium industrial pipes and tubes engineered for reliability, performance, and longevity. From API 5L line pipe to specialized stainless steel and alloy configurations, our comprehensive product portfolio meets the demanding requirements of oil & gas, petrochemical, power generation, chemical processing, and water treatment industries. Every pipe is manufactured to international standards with full material traceability and rigorous quality testing.

Complete Pipe & Tube Portfolio

Explore our full range of precision-manufactured industrial pipes

API 5L Line Pipe

Oil & Gas Transportation

Premium carbon steel pipe for oil, gas, and water transmission service, manufactured to API specifications for pipeline applications.

Grades: PSL1 & PSL2
Seamless & welded (ERW, LSAW)
X42, X52, X60, X65, X70 grades
Sizes: 1/2" - 60" (DN15-1500)
Standards: API 5L, ISO 3183

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Seamless Stainless Steel Pipe

Corrosion Resistant Solutions

High-quality seamless stainless steel pipe offering superior corrosion resistance and strength for critical process applications.

Grades: 304, 304L, 316, 316L, 321
Hot finished & cold drawn
Bright annealed finish available
Sizes: 1/8" - 24" (DN6-600)
Standards: ASTM A312, A213, A269

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Welded Stainless Steel Pipe

Cost-Effective Performance

TIG/Plasma welded stainless steel pipe providing excellent value for general service and non-critical applications.

Grades: 304, 304L, 316, 316L
TIG/Plasma welded construction
Polished & pickled finishes
Sizes: 1/2" - 24" (DN15-600)
Standards: ASTM A312, A249

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Seamless Alloy Steel Pipe

High Temperature Service

Heat-resistant alloy steel pipe designed for elevated temperature and pressure service in power generation and refining.

Grades: P5, P9, P11, P22, P91
Temperature: Up to 650°C
Pressure: Up to 42MPa
Sizes: 1/2" - 24" (DN15-600)
Standards: ASTM A335, A213

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Duplex Stainless Steel Pipe

Superior Strength & Corrosion Resistance

Advanced duplex stainless steel offering twice the strength of austenitic grades with excellent corrosion resistance.

Grades: 2205, 2507, S31803
Excellent SCC resistance
High strength-to-weight ratio
Sizes: 1/2" - 12" (DN15-300)
Standards: ASTM A790, A789

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Seamless Carbon Steel Pipe

General Service Applications

Versatile carbon steel pipe for general purpose piping in industrial, commercial, and residential applications.

Grades: Gr.B, A106, A53
Black & galvanized finishes
Beveled ends available
Sizes: 1/8" - 24" (DN6-600)
Standards: ASTM A106, A53

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Stainless Steel Coil Tubes

Flexible Instrumentation

Precision coiled tubing for instrumentation, heat exchanger, and hydraulic applications requiring flexibility.

Grades: 304, 316, 321
Bright annealed finish
Tight tolerances
Sizes: 1/8" - 1" (3mm - 25mm)
Standards: ASTM A269, A213

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Quality Standards & Certifications

Manufacturing to internationally recognized pipe standards

API 5L

Line pipe specification

ASTM A312

Stainless steel pipe

ASTM A106

Carbon steel pipe

ASTM A335

Alloy steel pipe

ISO 3183

Pipeline transportation

PED / CE

European compliance

Industries We Serve

Trusted pipe solutions across critical sectors

Oil & Gas

Upstream, midstream, downstream

Petrochemical

Refineries and chemical plants

Power Generation

Thermal, nuclear, renewable

Water Treatment

Municipal and industrial systems

Food & Beverage

Sanitary process piping

Marine & Offshore

Shipbuilding and platforms

Why Choose HAINER STEEL Pipes?

Excellence in every aspect of pipe manufacturing and delivery

Premium Materials

Carbon steel, stainless steel grades 304/316/321, alloy steels P5/P11/P22/P91, duplex 2205/2507 from certified mills. Full material traceability with mill test certificates for every order.

Advanced Manufacturing

State-of-the-art seamless piercing, ERW welding, and LSAW/SSAW production lines. Hot finished and cold drawn capabilities with precision sizing and surface finishing.

Complete Testing

100% hydrostatic testing, ultrasonic inspection, eddy current testing, dimensional verification. PMI testing, hardness verification, and mechanical testing per specification requirements.

Wide Size Range

Comprehensive inventory from 1/8" to 60" in seamless and welded configurations. Standard wall thicknesses and custom schedules available with competitive lead times.

Global Standards

Manufacturing to API, ASTM, ASME, DIN, EN, JIS, and GB standards. CE/PED certification for European projects. Third-party inspection services available.

Technical Support

Experienced engineering team providing material selection assistance, pressure-temperature ratings, corrosion allowance calculations, and comprehensive after-sales technical service worldwide.

Ready to Discuss Your Pipe Requirements?

Our technical team is ready to help you select the optimal pipe solutions for your project specifications

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