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SS2507 2205 Control Line Tubing S32750 Corrosion Resistance Super Duplex
Control Line refers to small-diameter, high-strength, corrosion-resistant tubing used in subsea and downhole oil and gas applications, typically for controlling subsurface safety valves and other equipment.
Differences Between Super Duplex 2507 and Duplex 2205 in Control Line Applications
Super Duplex 2507:
Composition: Higher chromium, molybdenum, and nickel content than 2205
Strength: Superior tensile and yield strength
Corrosion Resistance: Excellent resistance to pitting and crevice corrosion in harsh environments, particularly in seawater applications
Applications: Ideal for demanding environments like deep-sea control lines where high pressure, temperature, and chloride-induced stress cracking are concerns
Duplex 2205:
Composition: Lower chromium, molybdenum, and nickel content than 2507
Strength: High tensile and yield strength, though lower than 2507
Corrosion Resistance: Good resistance suitable for applications with moderate chloride exposure
Applications: Used in control lines for less aggressive environments compared to 2507
Corrosion Resistance of Different Materials (G28 A Method)
Grade
Rate (mm/a)
N08825
≤ 0.9
N08020
≤ 0.5
N08367
≤ 0.5
N06625
≤ 0.9
N10276
≤ 10
N06200
≤ 1.5
N06022
≤ 1.0
N06600
≤ 1.0
N06601
≤ 1.0
Chemical Composition
Mechanical Properties
Property
2507 Min.
2205 Min.
Max.
Tensile strength (psi)
116,000
95,000
-
Yield strength (psi)
8,000
7,000
-
Elongation (%)
15
25
-
Size Dependent Characteristics (Based Upon Nominal Tubing Dimensions)
Key Benefits of Super Duplex and Duplex Control Lines
Durability: High strength and corrosion resistance make them ideal for extreme environments like deepwater oil fields
Reduced Weight: High strength-to-weight ratio allows for thinner walls without compromising performance, reducing overall weight
Cost-Effectiveness: Duplex alloys provide excellent performance at competitive costs
Applications
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer,Seller
Year Established:
2002
Total Annual:
1000000-120000000+
Employee Number:
100~150
Ecer Certification：
Verified Supplier
Changzhou DLX Alloy Co., Ltd. was established in 2002 and has passed ISO9001 international quality management system certification and SGS certification.We initially focused on the production of resistance alloys. Over the past 20 years, we have continued to conduct research and development and now ... Changzhou DLX Alloy Co., Ltd. was established in 2002 and has passed ISO9001 international quality management system certification and SGS certification.We initially focused on the production of resistance alloys. Over the past 20 years, we have continued to conduct research and development and now ...
