Specifications of Low-Temperature Carbon Steel Pipes

The specifications for LowTemperature Carbon Steel Pipes are listed in the table below along with size, length and standard.

Parameter Details (Grade 6)
Standard ASTM A333
Grade Grade 6
Manufacturing Process Hot Finished / Cold Drawn
Pipe Size Range 1/2" to 24" (NPS 15 to NPS 600)
Wall Thickness Schedule 20 to XXS
Lengths Single Random Length (SRL), Double Random Length (DRL), Cut-to-Length
End Types Plain End, Bevelled End, Threaded

Available Sizes of Low-Temperature Carbon Steel Pipes

The available sizes for Low-Temperature Carbon Steel Pipes are listed in the table given below.

Parameter Details
Size Range 1/2" (NPS 15) to 24" (NPS 600)
Outside Diameter 21.3 mm to 610 mm
Pipe Schedules Schedule 20 to Double Extra Strong (XXS)
Lengths Single Random Length (SRL), Double Random Length (DRL), Cut-to-Length

Low-Temperature Carbon Steel Pipe Price

Pricing for low-temperature carbon steel pipe ranges from ₹75 to ₹130 per kg in India and between $0.90 and $9.00 per kg in USD. It depends on several factors like grade selection, pipe size (NPS and wall thickness), form (seamless vs welded), order quantity, and length requirement. Schedule and end finish also affect the final cost. Contact Sachiya Steel International for current pricing on ASTM A333 LTCS pipes in your required specification.

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ASTM A333 LTCS Pipe Grades

ASTM A333 defines low-temperature carbon steel pipe grades designed for varying service temperatures, toughness requirements, and cost considerations in industries.

Grade 6

ASTM A333 Grade 6 LTCS pipe is the most widely used, delivering excellent toughness, strength, and reliability for low-temperature service across industrial piping systems globally.

Forms of LTCS Pipes

ASTM A333 low-temperature carbon steel pipes are produced in two manufacturing forms listed below. Selection depends on pressure class, pipe diameter, and project code requirements.

Seamless LTCS Pipes

Seamless LTCS Pipes

Welded LTCS Pipes (ERW & SAW)

Welded LTCS Pipes (ERW & SAW)

Industrial Applications of Low-Temperature Carbon Steel Pipes

Below freezing, piping integrity becomes critical. Low-temperature carbon steel pipes serve industries that require verified impact toughness at sub-zero operating temperatures.

Oil and Gas Industry

LTCS pipes carry hydrocarbons in cold-climate pipelines and offshore platforms where ambient temperatures drop well below freezing.

Petrochemical and Chemical Processing

Process lines handling refrigerated gases, chilled solvents, and cryogenic feedstocks in petrochemical plants use ASTM A333 pipe.

LNG and Cryogenic Plants

Grade 3 pipes (rated to -150°F) serve LNG liquefaction, storage, and regasification systems. Transfer lines carrying liquid nitrogen or ethylene also specify A333.

Power Generation

Power plants that use steam cycles, cold reheat lines, or outdoor pipes in sub-zero weather often need LTCS piping.

Shipbuilding and Marine

Cargo piping on LNG carriers and refrigerated vessels requires impact-tested carbon steel pipe. Marine classification societies mandate LTCS grades for any piping exposed to cryogenic cargo temperatures.

Shipping & Packaging

Main export packaging setup Heavy-duty wooden boxes Packing
Export Packaging Standard

We strictly follow seaworthy export handling standards to protect low temperature carbon steel pipe from transit damage, moisture ingress, and surface contamination during long-distance dispatch.

  • Heavy-duty wooden boxes with moisture barrier lining
  • HDPE stretch film wrapping on all bundles
  • Plastic end caps on threaded and plain-end pipes
  • Silica gel desiccants to minimize moisture exposure
  • ISPM-15 fumigated wooden packaging for export
shipping preparation Pipe Bundle Yard Staging
Shipping packaging Container End-Cap Protection
Shipping stock Wrapped Export-Ready Bundles

We Export Worldwide

Sachiya Steel International supplies carbon steel products to major industrial markets across North America, Europe, the Middle East, Asia and Africa with export-ready documentation and logistics support.

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Frequently Asked Questions

What is Low Temperature Carbon Steel Pipe material?+
Low temperature carbon steel (LTCS) pipe is carbon steel pipe manufactured to ASTM A333 / ASME SA-333 and impact tested using Charpy V-notch specimens. It stays tough and flexible at sub-zero temperatures, down to -50°F (-45°C) for Grade 6.
What is the minimum service temperature for ASTM A333 LTCS pipe?+
The minimum depends on grade. Grade 6 is impact tested at -50°F (-45°C).
What sizes are LTCS Pipes available in?+
ASTM A333 LTCS pipes are available from 1/2" through 24" NPS, in schedules from Schedule 20 through Double Extra Strong (XXS), with single random, double random, or cut-to-length options.
What is the difference between ASTM A333 and ASTM A106 pipe?+
ASTM A333 covers low-temperature service pipe with mandatory Charpy impact testing. ASTM A106 covers high-temperature service without low-temp impact requirements. Grade 6 under A333 shares the same UNS K03006 designation as A106 Grade B, but A333 enforces tighter phosphorus and sulphur limits (≤0.025% vs ≤0.035%) to preserve notch toughness at sub-zero temperatures. The two standards serve opposite ends of the temperature spectrum.
Are LTCS Pipes available in seamless and welded forms?+
Yes. ASTM A333 covers both seamless and welded (ERW, SAW) low-temperature carbon steel pipes. Seamless is standard for high-pressure cryogenic service. Welded options provide cost savings on larger diameters.
How are LTCS Pipes tested for quality?+
Testing includes hydrostatic pressure testing, Charpy V-notch impact testing at the specified low temperature, plus dimensional inspection per ASME B36.10. Seamless pipes also undergo ultrasonic examination. Welded pipes require radiographic examination of the seam.
Which ASTM A333 Grade is most commonly specified?+
Grade 6 is most commonly specified. It stays tough and reliable down to -50°F (-45°C) and is the most commonly used option for low‑temperature piping in oil and gas, petrochemical, and LNG plants.
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