FOR REQUIREMENT OF THIS GRADE OR FOR DETAIL CONTACT US AT :-
Introduction
ASTM A334 /
A334M covers seamless and welded carbon and alloy steel pipes intended for low-temperature
service. These pipes are designed to provide excellent toughness and impact
resistance in sub-zero and cryogenic environments.
ASTM A334
steel pipes are widely used in industries where materials must perform reliably
under low-temperature conditions without risk of brittle failure.
Ladhani
Metal Corporation is a manufacturer, supplier, and exporter of ASTM A334 /
A334M low temperature steel pipes, supplying high-quality pipes for critical
cold-service applications.
Applicable Standard
Standard
Specification: ASTM A334 / A334M
Organization: ASTM International
Title: Standard Specification for Seamless and Welded Carbon and Alloy Steel
Pipe for Low-Temperature Service
This
specification covers carbon and alloy steel pipes for low-temperature
environments requiring high notch toughness.
Forms of Supply
ASTM A334
pipes are supplied in the following forms:
Seamless
pipes
Welded pipes
ERW pipes
Cold drawn pipes
Cut-to-length pipes
Supply
Condition
Normalized
condition
Normalized and tempered condition
Heat-treated condition
Surface
Finish
Mill finish
Shot blasted
Coated (if required)
Standard
Sizes
Outside
Diameter: 6 mm to 610 mm
Wall Thickness: 1 mm to 50 mm
Length: Up to 12 meters or as required
Grades Covered Under ASTM A334 / A334M
Grade 1
Grade 3
Grade 6
These grades
are designed to provide varying levels of strength and toughness for
low-temperature applications.
Chemical
Requirements
|
Element |
Grade 1A (%) |
Grade 3 (%) |
Grade 6A (%) |
Grade 7 (%) |
Grade 8 (%) |
Grade 9 (%) |
Grade 11 (%) |
|
Carbon (max) |
0.30 |
0.19 |
0.30 |
0.19 |
0.13 |
0.20 |
0.10 |
|
Manganese |
0.40–1.06 |
0.31–0.64 |
0.29–1.06 |
0.90 max |
0.90 max |
0.40–1.06 |
0.60 max |
|
Phosphorus (max) |
0.025 |
0.025 |
0.025 |
0.025 |
0.025 |
0.025 |
0.025 |
|
Sulfur (max) |
0.025 |
0.025 |
0.025 |
0.025 |
0.025 |
0.025 |
0.020 |
|
Silicon |
— |
0.18–0.37 |
0.10 min |
0.13–0.32 |
0.13–0.32 |
— |
0.35 max |
|
Nickel |
— |
3.18–3.82 |
— |
2.03–2.57 |
8.40–9.60 |
1.60–2.24 |
35.0–37.0 |
|
Chromium |
— |
— |
— |
— |
— |
— |
0.50 max |
|
Copper |
— |
— |
— |
— |
— |
0.75–1.25 |
— |
|
Cobalt |
— |
— |
— |
— |
— |
— |
0.50 max |
|
Molybdenum |
— |
— |
— |
— |
— |
— |
0.50 max |
Key Features of ASTM A334 Low Temperature Steel Pipes
Excellent
toughness at low temperatures
High resistance to brittle fracture
Reliable performance in cryogenic environments
Good weldability and formability
Suitable for pressure and structural applications
Uniform mechanical properties
Applications
of ASTM A334 Steel Pipes
ASTM A334 pipes are widely used in industries requiring performance at low
temperatures.
Oil &
Gas Industry
• Cryogenic pipelines
• Gas transportation systems
Petrochemical
Industry
• Low-temperature process piping
• Storage tank piping
Power Plants
• Cooling systems
• Low-temperature piping
Industrial
Applications
• Refrigeration systems
• Heat exchanger piping
Heat
Treatment
Pipes are
normalized to refine grain structure
Normalizing and tempering enhance toughness
Heat treatment ensures consistent low-temperature performance
Conclusion
ASTM A334 /
A334M low temperature steel pipes provide a reliable solution for applications
operating in sub-zero and cryogenic conditions. With excellent toughness and
resistance to brittle fracture, these pipes ensure safety and durability in
demanding environments.
Ladhani
Metal Corporation supplies ASTM A334 / A334M steel pipes in various grades and
sizes, ensuring high-quality products for oil & gas, petrochemical, and
industrial low-temperature applications.
FOR REQUIREMENT OF THIS GRADE OR FOR DETAIL CONTACT US AT :-
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