ASTM A333 Grade 6 (A333 Gr.6) seamless pipes are specially designed for low-temperature service and high-pressure applications. Manufactured from carbon steel, these pipes maintain excellent toughness, strength, and crack resistance even at sub-zero temperatures, making them ideal for cryogenic or cold climate projects.

Key Features

Designed for use in low-temperature environments
High impact resistance and fracture toughness
Superior weldability and formability
Seamless construction ensures leak-proof performance
Strict compliance with ASTM A333/ASME SA333 and NACE standards
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Technical Specifications

Standard: ASTM A333 / ASME SA333
Grade: Gr.6 (Carbon Steel)
Type: Seamless
Tensile Strength: ≥ 415 MPa (60,000 psi)
Yield Strength: ≥ 240 MPa (35,000 psi)
Impact Test: 27J at -45°C (Charpy V-notch)
Size Range: OD: 1/2" to 36" (21.3 mm to 914 mm)
Thickness: SCH 10 to SCH XXS or custom

Applications

LNG plants and cryogenic systems
Oil & gas pipelines
Pressure vessels and heat exchangers
Petrochemical and refinery industries
Cold region infrastructure and utility piping

Finishing & Supply

Surface Options: Black-painted, oiled, galvanized, or bare
Ends: Plain, beveled, or threaded
Delivery Condition: Normalized, quenched and tempered, or as specified
Documentation: EN 10204 3.1/3.2 test certificates, impact test reports, NDT as required

Optional Testing Available

Hydrostatic test
Ultrasonic test (UT)
Radiographic test (RT)
Magnetic particle test (MT)
Charpy impact testing at -45°C or lower