Views: 0 Author: J-VALVES Publish Time: 2025-05-28 Origin: Site
In the FIELD OF CORROSION-RESISTANT FILTERS, choosing the appropriate material is of crucial importance. Nickel aluminum bronze B148 C95800, S32750, and S32760 are three common high-performance materials, each with its own unique performance characteristics and suitable for different application scenarios. This article will analyze the performance differences among these three materials through detailed measured data comparison to help you make a better choice for corrosion-resistant filter materials.
NICKEL ALUMINUM BRONZE B148 C95800 IS A HIGH-PERFORMANCE ALUMINUM BRONZE BASED ON AMERICAN STANDARDS. Its main components include copper, aluminum, iron, nickel, and manganese. This material has high strength, high wear resistance, and excellent corrosion resistance, especially performing outstandingly in seawater and acidic media.
BOTH S32750 AND S32760 ARE SUPER DUPLEX STAINLESS STEELS WITH EXCELLENT RESISTANCE TO PITTING CORROSION, CREVICE CORROSION, AND STRESS CORROSION. S32760 has added copper and tungsten on the basis of S32750, further enhancing its corrosion resistance.
Material | Cu (%) | Al (%) | Fe (%) | Ni (%) | Mn (%) | Mo (%) | N (%) | Cr (%) | Cu (%) | W (%) |
B148 C95800 | ≥79.0 | 8.5 - 9.5 | 3.5 - 4.5 | 4.0 - 5.0 | 0.8 - 1.5 | - | - | - | - | - |
S32750 | - | - | - | 6.0 - 8.0 | - | 3.0 - 5.0 | 0.24 - 0.32 | 24.0 - 26.0 | 0 - 0.5 | - |
S32760 | - | - | - | 6.0 - 8.0 | - | 3.0 - 4.0 | 0.2 - 0.3 | 24.0 - 26.0 | 0.5 - 1.0 | 0.5 - 1.0 |
Material | Tensile Strength (MPa) | Yield Strength (MPa) | Elongation (%) | Hardness (HB) |
B148 C95800 | 550 - 690 | 350 - 500 | 15 - 25 | 200 - 280 |
S32750 | 860 | 590 | 17 | 28 |
S32760 | 850 | 620 | 28 | 24 |
Material | Seawater Corrosion Rate (mm/a) | Pitting Index (PRE) | Acid Corrosion Resistance Ability |
B148 C95800 | 0.01 - 0.05 | - | Tolerant to weak acids and medium-concentration acids |
S32750 | 0.005 - 0.01 | 40 - 43 | Tolerant to various inorganic and organic acids |
S32760 | 0.005 - 0.01 | 42 - 45 | Tolerant to various inorganic and organic acids, and the added copper enhances the resistance to non-oxidizing acid corrosion |
Material | Applicable Scenarios |
B148 C95800 | Seawater filtration, ship components, chemical equipment |
S32750 | Chemical equipment, oil and gas pipelines, offshore engineering |
S32760 | Chemical equipment, offshore engineering, food processing equipment |
Through the above comparative analysis, we can see that nickel aluminum bronze B148 C95800, S32750, and S32760 each have their own advantages. Nickel aluminum bronze B148 C95800 performs excellently in seawater and weak acid environments and is suitable for filter components in ships and offshore engineering. S32750 and S32760 are better in terms of resistance to pitting corrosion and tolerance to various acid corrosions. Especially for S32760, the added copper element makes it more advantageous in resisting non-oxidizing acid corrosion.
When choosing the material for CORROSION-RESISTANT FILTERS, comprehensive evaluation should be carried out according to the specific application environment and the type of corrosive medium. If you need to use filters in an environment with a high concentration of chloride ions or strong acid, S32760 may be a better choice. While in seawater or moderately acidic environments, nickel aluminum bronze B148 C95800 is more cost-effective.
