Product Description

Our 42CrMo/4140/SCM 440 Alloy Steel Seamless Pipe is designed for high-performance applications in various industries, including oil and gas, chemical processing, and mechanical engineering. This pipe is manufactured to rigorous standards, ensuring excellent mechanical properties and durability under extreme conditions.

Specifications

1. Outer Diameter (O.D.): 1/2" to 48"
2. Wall Thickness (W.T.): 2 mm to 60 mm

Steel Grades

We offer a wide range of steel grades suitable for various applications:

• Carbon and Alloy Grades:
  • 10#, 20#, 20G, 35#, CK45
  • 16Mn, ST37, ST52
  • 15CrMo, 42CrMo, 12Cr1MoV, 13CrMo44, 15Mo3, 10CrMo910
• API Grades:
  • H40, J55, K55, N80, L80, C-90, C95, T95, P110
• Structural Grades:
  • Gr.B, X42, X46, X52, X60, X65, X70, X80

Standards Compliance

Our pipes conform to various international standards, ensuring quality and compatibility:

• ASTM Standards: A106B, A53B, A179, A192, A200, A210A1, A210C, A213, A333, A335
• GB Standards: GB/T 9948-88, GB/T 8162, GB/T 8163, GB/T 3087
• API Standards: API 5CT, API 5C, API 5L
• JIS Standards: JIS G3461, G3462, G3454, G3455, G3456
• DIN Standards: DIN 1629, DIN 17175, DIN 2448, DIN 2391

Applications

The seamless pipe is widely used in:

• Oil refinery furnace pipes
• Heat exchanger pipes and tubing
• General structural and mechanical applications

Quality Standards

Our products meet the following quality standards:

• ASTM A519: Seamless Carbon and Alloy Steel Mechanical Tubing
• JIS G3441: Alloy steel tubes for machine purposes
• DIN 2391: Seamless Precision Steel Tubes
• DIN 2448: Seamless Steel Pipes and Tubes
• BS 6323: Seamless and Welded Steel Tubes for Mechanical and General Engineering Purposes
• EN Standards: EN 10305, EN 10297

Size Options

• Hot Finished O.D.: 2" to 30"
• Cold Drawn O.D.: 0.875" to 18"
• Wall Thickness:
  • Hot Finished: 0.250" to 4.00"
  • Cold Drawn: 0.035" to 0.875"
• Length: Available in random lengths, fixed lengths, Short Random Length (SRL), and Double Random Length (DRL)

Heat Treatment

Our seamless pipes undergo various heat treatments to enhance their properties:

• Annealed, Full Annealed, Bright Annealed
• Spheroidize Annealed, Normalized, Stress Relieved
• Cold Finished, Quenched and Tempered

Delivery Conditions

• Options include: BKS, NBK, BK, BKW, GBK(+A), NBK(+N), BK(+C)

Packaging

• Protected with plastic plugs on both ends
• Hexagonal bundles (maximum 2,000 kg), secured with steel strips
• Two tags on each bundle for identification
• Wrapped in waterproof paper, PVC sleeve, and sackcloth for additional protection

Testing and Certification

Rigorous testing is conducted on our seamless pipes, including:

• Chemical Composition Analysis
• Mechanical Properties Testing: Including Ultimate Tensile Strength, Yield Strength, Elongation
• Technical Properties Testing: Flattening, Flaring, Bending, Hardness, Blow, and Impact Tests
• Exterior Size Inspection

Mill Test Certificate: EN 10204/31B is available upon request.

Our 42CrMo/4140/SCM 440 Alloy Steel Seamless Pipe is engineered for superior strength and reliability in demanding applications. For inquiries, pricing, or placing an order, please contact us. We are committed to providing you with high-quality materials that meet industry standards and specifications.