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china latest news about What are the specific data on the corrosion resistance of copper-nickel flanges?

What are the specific data on the corrosion resistance of copper-nickel flanges?

June 18, 2025

Corrosion resistance data for copper-nickel flanges must be considered in conjunction with specific alloy grades (e.g., Cu-Ni 90/10, 70/30), corrosion medium type, concentration, temperature, and stress conditions. The following are measured data and industry standard references based on typical ...
china latest news about What are the disadvantages of copper-nickel flanges?

What are the disadvantages of copper-nickel flanges?

June 17, 2025

1. Performance limitations in high-temperature environments Strength decreases significantly with increasing temperature: Copper-nickel alloys (such as Cu-Ni 70/30) experience a reduction in tensile strength from 450 MPa to below 300 MPa when temperatures exceed 300°C, and exhibit increased creep ...
china latest news about What are the product advantages of copper-nickel flanges?

What are the product advantages of copper-nickel flanges?

June 16, 2025

Copper-nickel flanges are widely used in marine engineering, chemical industry, shipbuilding, and seawater treatment. Their product advantages primarily lie in corrosion resistance, mechanical properties, processability, and overall cost-effectiveness, as detailed below: 1. Excellent resistance to ...
china latest news about Performance comparison between duplex steel tees and tees made of other materials in the petrochemical industry

Performance comparison between duplex steel tees and tees made of other materials in the petrochemical industry

June 13, 2025

In the petrochemical industry, the performance differences between duplex steel tees and tees made of other materials primarily manifest in terms of strength, corrosion resistance, high-temperature resistance, machinability, and cost. The following is a detailed comparative analysis: 1. Strength and ...
china latest news about What are the differences in the performance of flanges made of different materials in high-temperature environments?

What are the differences in the performance of flanges made of different materials in high-temperature environments?

June 12, 2025

The performance difference of flanges made of different materials in high temperature environment is mainly reflected in strength maintaining ability, oxidation resistance, creep resistance, thermal stability and medium compatibility, etc. The following analysis is carried out from the typical ...
china latest news about What are the advantages of high-strength duplex steel flanges over flanges made of other materials?

What are the advantages of high-strength duplex steel flanges over flanges made of other materials?

June 11, 2025

The advantages of high-strength duplex steel flanges (e.g. Super Duplex S32750, S32760, etc.) over carbon steel, ordinary stainless steel (e.g. 304/316), low alloy high-strength steel and other materials such as flanges are mainly embodied in the core dimensions of mechanical properties, corrosion ...
china latest news about What are the cost advantages of high strength duplex steel flanges?

What are the cost advantages of high strength duplex steel flanges?

June 11, 2025

The cost advantage of high-strength duplex steel flanges is not purely reflected in the procurement unit price, but is realized through multi-dimensional performance optimization, life-cycle cost reduction and application scenario suitability, etc. The specific advantages are as follows: 1. Cost ...
china latest news about What is the relationship between duplex steel flange material grade and cost?

What is the relationship between duplex steel flange material grade and cost?

June 10, 2025

There is a significant positive correlation between the material grade and cost of duplex steel flanges, which is reflected in the following aspects: 1. Alloying element content determines the grade difference and cost base The material grade of duplex steels is mainly classified according to its ...
china latest news about How do I choose the right material grade of duplex steel flanges for a particular application scenario?

How do I choose the right material grade of duplex steel flanges for a particular application scenario?

June 10, 2025

Selection of a duplex steel flange material grade suitable for a particular application scenario requires comprehensive consideration of media properties (corrosivity, composition), operating conditions (temperature, pressure), mechanical property requirements, cost budget, and other factors. The ...
china latest news about What is the difference between duplex steel flanges and stainless steel flanges?

What is the difference between duplex steel flanges and stainless steel flanges?

June 10, 2025

Duplex steel flanges and stainless steel flanges (such as 304, 316 and other austenitic stainless steel flanges) are mainly reflected in the material composition, organization, performance characteristics and application scenarios. The following is a specific comparison: I. Material composition and ...
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