GB 9948 10# 20# Seamless Carbon Steel Petroleum Cracking Pipes / Tubes:
GB 9948 10# 20# Seamless Carbon Steel Petroleum Cracking Pipes / Tubes are specialized products designed for petroleum cracking applications. These seamless pipes are manufactured using high-quality carbon steel and meet the requirements of GB 9948, a Chinese standard for seamless steel tubes for petroleum cracking. With their excellent mechanical properties, chemical composition, and precise dimensions, these pipes are widely used in the petroleum industry for the transportation of hydrocarbons and other fluids in cracking processes.
Product Description:
GB 9948 10# 20# Seamless Carbon Steel Petroleum Cracking Pipes / Tubes are seamless tubes specifically designed for petroleum cracking operations. These pipes have a smooth internal surface and precise dimensions, ensuring efficient fluid flow and minimizing pressure drop. They are available in various sizes, with diameters ranging from 6 mm to 168.3 mm, and wall thicknesses ranging from 1 mm to 20 mm. The pipes are manufactured using carbon steel, providing excellent strength and durability for petroleum cracking applications.
Product Parameters:
Parameter | Range/Value |
---|---|
Diameter Range | 6 mm - 168.3 mm |
Wall Thickness | 1 mm - 20 mm |
Length | 5.8 m - 12 m |
Steel Grade | 10#, 20# |
Outer Diameter Tolerance | ±0.75% max |
Wall Thickness Tolerance | ±12.5% max |
Mechanical Properties:
Mechanical Property | 10# | 20# |
---|---|---|
Tensile Strength (MPa) | 335 min | 410 min |
Yield Strength (MPa) | 205 min | 245 min |
Elongation (%) | 24 min | 20 min |
Hardness (HB) | 143 max | 179 max |
Chemical Composition:
Element | 10# Content Range | 20# Content Range |
---|---|---|
Carbon (C) | 0.07-0.14% | 0.17-0.24% |
Silicon (Si) | 0.17-0.37% | 0.17-0.37% |
Manganese (Mn) | 0.35-0.65% | 0.35-0.65% |
Phosphorus (P) | 0.035% max | 0.035% max |
Sulfur (S) | 0.035% max | 0.035% max |
Product Applications:
GB 9948 10# 20# Seamless Carbon Steel Petroleum Cracking Pipes / Tubes are extensively used in the petroleum industry for various applications, including:
Petroleum Cracking: These pipes are specifically designed for petroleum cracking operations, where hydrocarbon molecules are broken down into smaller molecules to produce valuable products such as gasoline, diesel, and petrochemical feedstocks. The seamless construction and high-quality carbon steel make these pipes suitable for the transportation of high-temperature and high-pressure fluids in cracking processes.
Refineries: Seamless carbon steel pipes are essential components in refineries for the transportation of crude oil, intermediate products, and refined petroleum products between processing units.
Petrochemical Plants: These pipes find applications in petrochemical plants for the transportation of various fluids, including feedstocks, intermediates, and final products.
Oil and Gas Pipelines: GB 9948 10# 20# pipes can be used in oil and gas pipelines for the transportation of petroleum products over long distances.