ASTM A333 Grade 1 Tube | Low Temperature Carbon Steel Tubes Supplier & Exporter
ASTM A333 Grade 1 Tube is a low-temperature carbon steel tube designed for use in sub-zero environments where high impact resistance and durability are required. These tubes are available in seamless and welded forms and are widely used in oil & gas, cryogenic systems, and pressure piping due to their excellent toughness, weldability, and compliance with ASTM A333 / ASME SA333 standards.
When working in extreme environments, especially sub-zero temperatures, choosing the right material is critical. ASTM A333 Grade 1 Tube is specifically engineered to perform reliably in such conditions without cracking or losing strength.
We supply High Quality ASTM A333 Gr 1 Low Temperature Carbon Steel Tubes that meet global standards and industry expectations. As a trusted Grade 1 Low Temperature Carbon Steel Tubes Supplier & Exporter, we focus on delivering materials that combine safety, performance, and long-term durability.
Our range includes ASTM A333 Grade 1 Carbon Steel Tubes, ASME SA333 Seamless Tubes, and SA333 Gr. 1 Welded Tubes, ensuring we can meet both high-pressure and cost-sensitive project requirements.
What is ASTM A333 Grade 1 Tube?
ASTM A333 Grade 1 Tube is a low-temperature carbon steel tube designed for pressure service at low temperatures. It is widely used where materials must maintain toughness and resist brittle fracture under extreme cold conditions.
These tubes are manufactured according to ASTM and ASME standards, ensuring that ASME SA 333 Grade 1 Tubes deliver consistent performance across industries.
Key Characteristics:
- Designed for low-temperature service
- Excellent impact resistance
- Available in seamless and welded forms
- Suitable for pressure piping and structural applications

Key Features of ASTM A333 Grade 1 Carbon Steel Tubes
Our ASTM A333 Carbon Steel Grade 1 Tubes offer:
- Superior toughness at sub-zero temperatures
- High resistance to cracking and brittleness
- Excellent weldability and machinability
- Strong mechanical strength
- Long service life in harsh environments
These features make ASME SA 333CS Grade1 tubes ideal for critical industrial applications.
Types of ASTM A333 Grade 1 Tubes
Grade 1 Carbon Steel Seamless Tubes
Grade 1 Carbon Steel Seamless Tubes are manufactured without weld joints, providing:
- Uniform strength
- High pressure resistance
- Better reliability in critical systems
SA333 Gr. 1 Welded Tubes
SA333 Gr. 1 Welded Tubes are:
- Cost-effective
- Suitable for moderate pressure applications
- Widely used in structural and general piping systems
ASME Standard Tubes
We also supply:
- ASME SA333 Seamless Tubes
- ASME SA 333 Grade 1 Tubes
These meet global engineering standards.


ASTM A333 Grade 1 Tube Specifications
| Parameter | Details |
| Standard | ASTM A333 / ASME SA333 |
| Grade | Grade 1 |
| Material | Low Temperature Carbon Steel |
| Type | Seamless / Welded |
| Size Range | ½” NB to 36” NB |
| Thickness | SCH 10 to SCH XXS |
| Length | SRL, DRL, Custom |
| End | Plain, Beveled, Threaded |
Chemical Composition of ASTM A333 Grade 1 Low Temperature Tubes
| Element | Composition (%) |
| Carbon | 0.30 max |
| Manganese | 0.40–1.06 |
| Phosphorus | 0.025 max |
| Sulfur | 0.025 max |
Mechanical Properties of ASME SA 333 Grade 1 Tubes
| Property | Value |
| Tensile Strength | ≥ 380 MPa |
| Yield Strength | ≥ 205 MPa |
| Elongation | ≥ 30% |
These values ensure excellent performance of ASTM A333 Grade 1 Low Temperature Tubes under stress.
Manufacturing Process of ASTM A333 Grade 1 Tubes
We follow a strict process to ensure quality:
- Raw material inspection
- Pipe forming (seamless/welded)
- Heat treatment (normalizing)
- Non-destructive testing
- Final inspection and certification
Each ASME SA 333CS Grade1 tubes is tested to meet international standards.
Testing of ASTM A333 Carbon Steel Grade 1 Tubes
We perform:
- Charpy Impact Test (low temperature)
- Hydrostatic Test
- Ultrasonic Testing
- Radiographic Testing
- Chemical Analysis
This ensures reliability of ASME SA333 Seamless Tubes.
Applications of ASTM A333 Grade 1 Tubes
These tubes are widely used in:
- Oil & Gas pipelines
- Petrochemical plants
- Cryogenic systems
- Power plants
- Heat exchangers
- Pressure vessels
Their ability to perform in extreme cold makes ASTM A333 Grade 1 Tube essential in industrial operations.
Advantages of ASTM A333 Grade 1 Low Temperature Tubes
- Reliable in sub-zero conditions
- Cost-effective solution
- High durability
- Versatile applications
- Easy to fabricate and weld
Why Choose Us as a Stockholder of LTCS A333 Tubing?
- Large inventory of ASTM A333 Grade 1 Tube
- Competitive global pricing
- Fast delivery
- ISO-certified materials
- Third-party inspection available
We are a reliable Grade 1 Low Temperature Carbon Steel Tubes Supplier & Exporter committed to quality.
Global Reach
Amardeep Steel Centre boasts a robust global presence, committed to delivering unparalleled service and quality to clients around the world. Our dedication to prompt delivery and exceptional customer care sets us apart in the industry. Major corporations across the USA, Europe, Asia, and other regions place their trust in our high-quality AA 2024 Pipes. This widespread trust underscores our reputation for reliability and excellence. By consistently meeting and exceeding the expectations of our international clientele, we continue to solidify our position as a leader in the global steel market.

Countries We Export To
UNITED STATES, EUROPE, UK, UAE, SAUDI ARABIA, OMAN, KUWAIT, JORDAN, QATAR, INDONESIA, MALAYSIA, BRAZIL, SPAIN, ITALY, FRANCE, GERMANY, BAHRAIN, SRI LANKA, AZERBAIJAN, AUSTRALIA, AUSTRIA, PHILIPPINES, TURKEY, RUSSIA, IRAN, IRAQ, CANADA, KOREA, JAPAN, YEMEN, FINLAND, ZIMBABWE, HUNGARY, PORTUGAL, VIETNAM, MOROCCO, THAILAND, SOUTH AFRICA, MEXICO, SINGAPORE, GREECE, KUWAIT, POLAND, NEW ZEALAND, SWEDEN, SWITZERLAND, BELGIUM, BHUTAN, BANGLADESH, TAIWAN, ROMANIA, CAMBODIA, KAZAKHSTAN, AFGHANISTAN.

