ASTM A139 and ASME SA139 Carbon Steel Pipes
ASCe LLP is a leading supplier of high-quality carbon steel pipes, specializing in ASTM A139 and ASME SA139 grades. These carbon steel pipes are renowned for their exceptional strength, durability, and versatility, making them ideal for a wide range of industrial applications. In this article, we will explore the properties, advantages, and applications of ASTM A139 and ASME SA139 carbon steel pipes.
What are ASTM A139 and ASME SA139 Carbon Steel Pipes?
ASTM A139 and ASME SA139 are specifications that define the standards for carbon steel pipes used in various industries. These pipes are manufactured from carbon steel, which is known for its high strength, toughness, and resistance to wear and tear. The specifications cover both seamless and welded steel pipes, ensuring that they meet the rigorous requirements for mechanical properties and dimensions.
ASTM A139 CS Pipes
ASTM A139 is a standard specification for electric-fusion (arc)-welded steel pipe (NPS 4 and over). These pipes are typically used for conveying gas, water, and oil in both the oil and natural gas industries. The specification ensures that the pipes have the necessary mechanical properties, including tensile strength, yield strength, and elongation.
ASME SA139 CS Pipes
ASME SA139 is the American Society of Mechanical Engineers’ equivalent to ASTM A139. It specifies the requirements for electric-fusion-welded steel pipes used in pressure vessel applications. These pipes are designed to withstand high pressures and are commonly used in the construction of boilers, pressure vessels, and heat exchangers.
Properties of CS ASTM A139 & ASME SA139 Pipes
- Material Composition: These pipes are made from carbon steel, which offers excellent strength and toughness. The carbon content in the steel enhances its hardness and tensile strength.
- Mechanical Properties: ASTM A139 and ASME SA139 pipes have high yield strength and tensile strength, making them ideal for high-pressure applications.
- Corrosion Resistance: While carbon steel is generally less resistant to corrosion compared to stainless steel, ASTM A139 and ASME SA139 pipes can be coated or treated to enhance their resistance to corrosion.
- Durability: The pipes are designed to withstand harsh conditions and have a long service life, reducing the need for frequent replacements.
- Dimensional Accuracy: These pipes are manufactured to precise dimensions, ensuring a perfect fit in various industrial setups.
Advantages of ASTM A139 & ASME SA139 Pipes
- Cost-Effective: Carbon steel pipes are more affordable compared to other types of steel pipes, making them a cost-effective solution for many industries.
- Versatility: These pipes can be used in a wide range of applications, including water supply, oil and gas transportation, structural purposes, and more.
- Ease of Fabrication: Carbon steel pipes are easy to cut, bend, and fabricate, allowing for customization to meet specific project requirements.
- Strength and Durability: The high strength and durability of these pipes make them suitable for use in high-stress environments, such as in the construction of bridges, buildings, and industrial machinery.
- Availability: ASTM A139 and ASME SA139 pipes are widely available in various sizes and specifications, ensuring quick and easy procurement for any project.
Schedule and Size Chart
| Schedule | Nominal Pipe Size (NPS) | Outside Diameter (OD) (inches) | Wall Thickness (inches) |
| SCH 10 | 1/2″ to 24″ | 0.840″ to 24.000″ | 0.109″ to 0.406″ |
| SCH 20 | 1/2″ to 24″ | 0.840″ to 24.000″ | 0.147″ to 0.500″ |
| SCH 30 | 1/2″ to 24″ | 0.840″ to 24.000″ | 0.173″ to 0.563″ |
| SCH 40 | 1/2″ to 24″ | 0.840″ to 24.000″ | 0.188″ to 0.687″ |
| SCH 80 | 1/2″ to 24″ | 0.840″ to 24.000″ | 0.276″ to 1.031″ |
| SCH 160 | 1/2″ to 24″ | 0.840″ to 24.000″ | 0.344″ to 1.593″ |
Mechanical Properties Chart
| Property | ASTM A139 / ASME SA139 |
| Tensile Strength (MPa) | 415 – 550 |
| Yield Strength (MPa) | 240 – 330 |
| Elongation (%) | 20 – 30 |
| Hardness (HB) | ≤ 190 |
| Impact Toughness (J) | 27 (at -20°C) |
Specifications Chart
| Standard | Description |
| ASTM A139 | Electric-Fusion (Arc)-Welded Steel Pipe for High-Pressure Service |
| ASME SA139 | Electric-Fusion (Arc)-Welded Steel Pipe for High-Pressure and Temperature |
| Sizes | 1/2″ to 24″ NPS |
| Length | Single Random Length, Double Random Length, or Cut Length |
| Ends | Plain End, Beveled End, Threaded, or Grooved |
Chemical Composition Chart
| Element | ASTM A139 / ASME SA139 (%) |
| Carbon (C) | ≤ 0.30 |
| Manganese (Mn) | 0.29 – 1.06 |
| Phosphorus (P) | ≤ 0.035 |
| Sulfur (S) | ≤ 0.035 |
| Silicon (Si) | 0.10 – 0.50 |
| Copper (Cu) | ≤ 0.40 |
| Nickel (Ni) | ≤ 0.40 |
| Chromium (Cr) | ≤ 0.40 |
| Molybdenum (Mo) | ≤ 0.15 |
| Vanadium (V) | ≤ 0.08 |
Physical Properties Chart
| Property | Value |
| Density | 7.85 g/cm³ |
| Melting Point | 1425 – 1540°C |
| Modulus of Elasticity | 210 GPa |
| Thermal Conductivity | 50 W/m·K |
| Specific Heat | 0.49 kJ/kg·K |
| Electrical Resistivity | 0.12 Ω·mm²/m |
Application Chart
| Industry | Application |
| Construction | Structural supports, bridges, buildings |
| Oil & Gas | Transportation of oil, gas, and other fluids |
| Water Supply | Water pipelines, sewage systems |
| Power Generation | Boiler and condenser tubes |
| Petrochemical | Processing plants, refineries |
| Automotive | Chassis components, exhaust systems |
| Infrastructure | Highways, railways, and other infrastructure projects |
Why Choose ASC LLP?
At ASC LLP, we are committed to providing our customers with the best quality carbon steel pipes that meet international standards. Here’s why you should choose us for your ASTM A139 and ASME SA139 Carbon Steel Pipes:
- Quality Assurance: We ensure that all our products meet stringent quality standards, providing you with reliable and high-performance pipes.
- Expertise: With years of experience in the industry, we have the expertise to help you select the right pipes for your specific needs.
- Customer Service: We pride ourselves on our excellent customer service, providing you with the support you need from selection to delivery.
- Competitive Pricing: We offer competitive pricing without compromising on quality, providing you with the best value for your investment.
- Customization: We offer customization options to meet your specific project requirements, ensuring that you get the perfect solution for your needs.
At ASC LLP, we pride ourselves on supplying top-quality ASTM A139 and ASME SA139 carbon steel pipes to meet the diverse needs of our clients. With their high strength, durability, and cost-effectiveness, these pipes are the perfect choice for a wide range of industrial applications. Whether you need pipes for transporting fluids, structural support, or pressure vessel construction, ASTM A139 and ASME SA139 carbon steel pipes provide a reliable and efficient solution.
Contact us today to learn more about our product offerings and how we can help you find the right carbon steel pipes for your specific requirements. Trust ASC LLP for all your carbon steel pipe needs.
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 ASTM A139 and ASME SA139 Carbon Steel Pipe. 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.
