KS D3564 High Pressure Steel Pipe

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KS D3564 High Pressure Steel Pipe

KS D3564 is a standard specification for high-pressure steel pipes used in various industries, particularly for applications requiring high strength and durability under high pressure. This standard includes several grades such as SPPH370, SPPH410, and SPPH480, each with specific chemical and mechanical properties tailored for different requirements.

Product Specifications

Grades

  1. SPPH370
  2. SPPH410
  3. SPPH480

Here’s a table summarizing the key specifications for KS D3564 high-pressure steel pipes for grades SPPH370, SPPH410, and SPPH480.

Property SPPH370 SPPH410 SPPH480
Chemical Composition
Carbon (C) ≤ 0.18% ≤ 0.20% ≤ 0.23%
Manganese (Mn) ≤ 1.20% ≤ 1.40% ≤ 1.60%
Phosphorus (P) ≤ 0.030% ≤ 0.030% ≤ 0.030%
Sulfur (S) ≤ 0.030% ≤ 0.030% ≤ 0.030%
Silicon (Si) ≤ 0.35% ≤ 0.35% ≤ 0.35%
Mechanical Properties
Tensile Strength ≥ 370 MPa ≥ 410 MPa ≥ 480 MPa
Yield Strength ≥ 235 MPa ≥ 245 MPa ≥ 275 MPa
Elongation ≥ 25% ≥ 23% ≥ 21%
Size Range
Outside Diameter (OD) 10.3 mm to 508 mm 10.3 mm to 508 mm 10.3 mm to 508 mm
Wall Thickness (WT) 2.0 mm to 40 mm 2.0 mm to 40 mm 2.0 mm to 40 mm
Length SRL, DRL, or as specified SRL, DRL, or as specified SRL, DRL, or as specified
Manufacturing Process
Process Seamless or welded Seamless or welded Seamless or welded
Heat Treatment Normalized, Quenched, and Tempered Normalized, Quenched, and Tempered Normalized, Quenched, and Tempered
Standards KS D3564 KS D3564 KS D3564
Packing
In Bundles Yes Yes Yes
Loose Yes Yes Yes
Custom Packing Available Available Available

This table provides a concise overview of the chemical composition, mechanical properties, size range, manufacturing process, standards, and packing options for KS D3564 high-pressure steel pipes in grades SPPH370, SPPH410, and SPPH480.

Size Range

  • Outside Diameter (OD): 10.3 mm to 508 mm
  • Wall Thickness (WT): 2.0 mm to 40 mm
  • Length: Single Random Length (SRL), Double Random Length (DRL), or as specified by the customer.

KS D3564 steel pipe dimension table:

DN NPS OD Nominal wall thickness
Sch40 Sch60 Sch80 Sch100 Sch120 Sch140
A B mm T Unit mass T Unit mass T Unit mass T Unit mass T Unit mass T Unit mass
mm kg/m mm kg/m mm kg/m mm kg/m mm kg/m mm kg/m
6 1/8 10.5 1.7 0.37 2.4 0.48
8 1/4 13.8 2.2 0.63 3 0.8
10 3/8 17.3 2.3 0.85 3.2 1.11
15 1/2 21.7 2.8 1.31 3.7 1.64
20 3/4 27.2 2.9 1.74 3.9 2.24
25 1 34 3.4 2.57 4.5 3.27
32 1 1/4 42.7 3.6 3.47 4.9 4.57
40 1 1/2 48.6 3.7 4.1 5.1 5.47
50 2 60.5 3.9 5.44 5.5 7.46
65 2 1/2 76.3 5.2 9.12 7 12
80 3 89.1 5.5 11.3 7.6 15.3
90 3 1/2 101.6 5.7 13.5 8.1 18.7
100 4 114.3 6 16 8.6 22.4 11.1 28.2
125 5 139.8 6.6 21.7 9.5 30.5 12.7 39.8
150 6 165.2 7.1 27.7 11 41.8 14.3 53.2
200 8 216.3 8.2 42.1 10.3 52.3 12.7 63.8 15.1 74.9 18.2 88.9 20.6 99.4
250 10 267.4 9.3 59.2 12.7 79.8 15.1 93.9 18.2 112 21.4 130 25.4 152
300 12 318.5 10.3 78.3 14.3 107 17.4 129 21.4 157 25.4 184 28.6 204
350 14 355.6 11.1 94.3 15.1 127 19 158 23.8 195 27.8 225 31.8 254
400 16 406.4 12.7 123 16.7 160 21.4 203 26.2 246 30.9 286 36.5 333
450 18 457.2 14.3 156 190 205 23.8 254 29.4 310 34.9 363 39.7 408
500 20 508 15.1 184 20.6 248 26.2 311 32.5 381 38.1 441 44.4 508
550 22 558.8 15.9 213 22.2 294 28.6 374 34.9 451 41.3 527 47.6 600
600 24 609.6 17.5 256 24.6 355 31 442 38.9 547 460 639 52.4 720
650 26 660.4 18.9 299 26.4 413 34 525 41.6 635 491 740 56.6 843

Manufacturing Process

  • Seamless or Welded: Depending on the application and customer requirements.
  • Heat Treatment: Normalized, Quenched, and Tempered to achieve desired mechanical properties.

Standards

  • KS D3564: Korean Standard for high-pressure steel pipes.

Key Benefits

  • High Strength: The pipes are designed to withstand high pressure, making them suitable for demanding applications.
  • Durability: High tensile and yield strengths ensure long-term performance and reliability.
  • Versatility: Available in various grades to meet specific application requirements.
  • Corrosion Resistance: Suitable for use in environments where corrosion resistance is critical.

Typical Applications

Power Plants

  • Usage: High-pressure steam lines, superheaters, and reheaters.
  • Benefits: Withstands high temperatures and pressures, ensuring efficient and safe operation.

Chemical and Petrochemical Industries

  • Usage: High-pressure processing lines and equipment.
  • Benefits: Handles corrosive materials and high-pressure conditions effectively.

Oil and Gas Industry

  • Usage: High-pressure pipelines for transporting oil and gas.
  • Benefits: Ensures safe and reliable transport of hydrocarbons under high pressure.

Boilers and Pressure Vessels

  • Usage: Construction of boilers and pressure vessels.
  • Benefits: High strength and durability ensure the safety and integrity of these critical components.

Packing

  • In Bundles: Secured with steel or nylon straps for ease of handling and transportation.
  • Loose: Individual pipes packed loosely for flexible handling.
  • Custom Packing: Available based on customer specifications.

Conclusion

KS D3564 high-pressure steel pipes, available in grades SPPH370, SPPH410, and SPPH480, are designed to meet the rigorous demands of high-pressure applications in various industries. Their superior mechanical properties, durability, and compliance with strict standards make them a reliable choice for critical infrastructure in power plants, petrochemical plants, and the oil and gas industry. By choosing KS D3564 pipes, industries can ensure safe, efficient, and long-lasting performance in their high-pressure systems.

ABTER STEEL

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