1. Pendahuluan

C95500 aluminum bronze is a premium nickel-aluminum bronze alloy recognized for its exceptional mechanical properties, wear resistance, and superior corrosion performance, particularly in demanding marine and aerospace applications. This comprehensive analysis examines C95500 alongside its potential equivalent alternatives, providing procurement specialists, engineers, and materials selection professionals with detailed comparisons of chemical composition, mechanical properties, manufacturing considerations, and cost-performance ratios. This guide aims to facilitate informed decision-making when sourcing materials for critical applications requiring high strength, excellent wear resistance, and corrosion protection.

2. C95500 Aluminum Bronze: Baseline Specifications

Table 1: Chemical Composition of C95500 Aluminum Bronze (%)

AlDenganFehalM NNiDanZn
10.5-11.5Rem.3.0-5.000,03 maks3.5 max3.0-5.50.5 max00,3 maks
11.0*78.5*4.0*-1.0*5.0*0.15*0.1*

*Nilai nominalnya

Table 2: Mechanical Properties of C95500 Aluminum Bronze

MilikNilaiSatuan
Daya tarik650-760MPa
Kekuatan hasil280-340MPa
Pemanjangan15-25%
Kekerasan Brinell170-220HB
Kepadatan7.5g/cm
Modulus Elastisitas110IPK
Konduktivitas termal42W/m·K
Koefisien Ekspansi Termal16.2m/m·K
Konduktivitas listrik8% IACS

3. Direct Equivalent Alternatives to C95500

3.1 Setara Standar Internasional

Table 3: International Standards Equivalents for C95500

NegaraStandarPenamaanTingkat Kesetaraan
Amerika SerikatASMAUNS C95500Referensi
EropaPADACuAl11Fe5Ni5Tinggi
JermanDARICuAl11Ni5Fe5Tinggi
InggrisBSCA105Tinggi
JepangJISCAC707Sedang-Tinggi
CinaGBZCuAl11Ni5Fe5Tinggi
RusiagostBrAZhNMts 11-6-6Sedang-Tinggi
InternasionalISOCuAl11Ni5Fe5Tinggi

3.2 Perbandingan Komposisi Kimia

Table 4: Chemical Composition Comparison of C95500 and Its Direct Equivalents (%)

paduanStandarAlDenganFehalM NNiDanYang lain
Bab 95500ASMA10.5-11.5Rem.3.0-5.000,03 maks3.5 max3.0-5.50.5 maxZn≤0.3
CuAl11Fe5Ni5PADA10.0-12.0Rem.4.0-6.000,02 maks2,0 maks4.0-6.00.5 maxZn≤0.5
CA105BS10.0-11.5Rem.4.0-5.500,01 maks2,0 maks4.5-6.000,3 maksZn≤0.5
CAC707JIS10.0-12.0Rem.3.0-5.000,05 maks2,0 maks4.0-6.00.6 maxZn≤1.0
ZCuAl11Ni5Fe5GB10.0-12.0Rem.4.0-6.000,02 maks2,0 maks4.0-6.00.5 maxZn≤0.5

3.3 Perbandingan Sifat Mekanik

Table 5: Mechanical Properties Comparison of C95500 and Direct Equivalents

paduanKekuatan Tarik (MPa)Kekuatan Hasil (MPa)Perpanjangan (%)Kekerasan (HB)
C95500 (ASTM)650-760280-34015-25170-220
CuAl11Fe5Ni5 (EN)650-750280-35015-22170-220
CA105 (BS)650-750280-33515-20175-220
CAC707 (JIS)620-730270-33015-20165-215
ZCuAl11Ni5Fe5 (GB)650-750280-34015-22170-220

4. Kategori Materi Alternatif

4.1 Kelas Aluminium Perunggu Lainnya

Tabel 6: Perbandingan Kelas Aluminium Perunggu Alternatif

paduanKITA#Perbedaan UtamaBiaya RelatifPeringkat Kinerja
Bab 95800Bab 95800Lower Al, higher Ni, better corrosion resistance110%Sangat Tinggi
Bab 95400Bab 95400Lower Ni, reduced strength and corrosion resistance85%Sedang-Tinggi
Bab 95900Bab 95900Higher Al, increased hardness, less ductile105%Tinggi
C63000C63000Different Al-Ni ratio, higher strength115%Sangat Tinggi
C63200C63200Lower Al, better ductility, similar strength110%Tinggi

4.2 Nickel Aluminum Bronze Equivalents

Table 7: Nickel Aluminum Bronze Equivalents

paduanKITA#Komposisi KunciProperti UtamaCost Ratio to C95500Aplikasi Terbaik
Bab 95800Bab 95800Cu-9Al-4Fe-4NiSuperior seawater corrosion110%Marine propellers, valves
Bab 95700Bab 95700Cu-12Al-6Fe-2NiHigher hardness, lower ductility95%Bantalan tugas berat
C96900C96900Cu-16Al-3Fe-4NiVery high strength and wear resistance130%Aerospace components
C96400C96400Cu-11Al-6Fe-3Ni-3MnKetahanan aus yang sangat baik105%Sliding components
C95520C95520Cu-11Al-4Fe-5Ni-SiEnhanced machinability105%Komponen presisi

4.3 Alternative Material Categories

Tabel 8: Bahan Alternatif Perunggu Non-Aluminium

Kategori BahanContoh KelasKinerja KomparatifRasio BiayaAplikasi Tumpang Tindih
Perunggu ManganBab 86300Lower corrosion resistance, similar strength80%Medium
Besi tahan karat17-4PHKekuatan lebih tinggi, gesekan lebih rendah90%Sedang-Tinggi
Paduan NikelMonel K-500Superior corrosion, higher strength, higher cost175%Tinggi untuk kelautan
Duplex SS2205Good corrosion, lower wear resistance95%Medium
Paduan TitaniumTi-6Al-4VKekuatan terhadap bobot lebih tinggi, biaya jauh lebih tinggi250%Medium

5. Analisis Biaya-Kinerja

5.1 Indeks Biaya Bahan Relatif

Table 9: Relative Material Cost Index (C95500 = 100)

BahanBiaya Bahan BakuBiaya PemrosesanIndeks Biaya TotalTren Biaya (2 Tahun)
Bab 95500100100100Stabil
CuAl11Fe5Ni5 (EN)95-10595-10595-105Stabil
Bab 95800105-115100-110103-113Sedikit peningkatan
Bab 9540080-9090-10083-93Stabil
C63000110-120105-115108-118Meningkat
17-4PH SS85-9595-10588-98Tidak stabil
Monel K-500170-190150-170165-185Meningkat

5.2 Peringkat Kinerja berdasarkan Aplikasi

Table 10: Performance Rating by Application (1-10 scale, 10=best)

BahanAplikasi Kelautanluar angkasaMinyak gasHeavy IndustryPeringkat Nilai Keseluruhan
Bab 9550098898.5
CuAl11Fe5Ni598898.5
Bab 95800108988.8
Bab 9540076787.0
C6300089898.5
17-4PH SS78887.8
Monel K-500109978.8

6. Pertimbangan Manufaktur

6.1 Perbandingan Kemampuan Proses

Table 11: Manufacturing Process Suitability (1-10 scale, 10=excellent)

BahanPengecoran PasirPengecoran SentrifugalPengecoran InvestasiKemampuan mesinKemampuan lasRespon Perlakuan Panas
Bab 95500897668
CuAl11Fe5Ni5897668
Bab 95800897678
Bab 95400987757
C63000898659
17-4PH SS678589
Monel K-500677478

6.2 Pertimbangan Rantai Pasokan

Table 12: Supply Chain Factors

BahanKetersediaan GlobalWaktu Pimpin (minggu)Keberagaman PemasokStabilitas HargaDaur ulang
Bab 95500Sedang-Tinggi4-6Sedang-TinggiMediumTinggi
CuAl11Fe5Ni5Sedang-Tinggi4-6Sedang-TinggiMediumTinggi
Bab 95800Medium5-8MediumSedang-RendahTinggi
Bab 95400Tinggi3-5TinggiSedang-TinggiTinggi
C63000Medium5-7MediumMediumTinggi
17-4PH SSTinggi3-5TinggiMediumTinggi
Monel K-500Rendah-Sedang8-12Rendah-SedangRendahSedang-Tinggi

7. Kesetaraan Khusus Aplikasi

Table 13: Recommended Alternatives by Application

AplikasiPilihan PertamaPilihan KeduaPilihan KetigaFaktor Pemilihan Kunci
Baling-baling lautBab 95800Bab 95500Monel K-500Seawater corrosion
Valve seatsBab 95500C6300017-4PHKetahanan aus
Aircraft bearingsBab 95500C63000Bab 95900Strength/durability
Peralatan lepas pantaiBab 95800Bab 955002205 Duplex SSTahan korosi
Komponen pompaBab 95500Bab 95800Bab 95400Erosion resistance
Gears and pinionsBab 95500C6300017-4PHFatigue strength
Wear platesBab 95900Bab 95500Bab 86300Abrasion resistance
BushingBab 95500Bab 95400C95520Load bearing/wear

8. Metodologi Seleksi Bahan Ekuivalen

Table 14: Decision Matrix for Material Selection

Faktor SeleksiBeratBab 95500CuAl11Fe5Ni5Bab 95800Bab 95400C6300017-4PH SS
Kekuatan mekanik20%888799
Tahan korosi25%889787
Ketahanan aus20%998897
Efektivitas biaya15%776867
Kemampuan mesin10%666765
Tersedianya10%776978
Skor Tertimbang100%7.857.857.707.457.957.40

9. Regional Market Availability and Pricing Trends

Table 15: Regional Availability and Price Variations

WilayahC95500 AvailabilityPrice IndexLeading SuppliersImport Considerations
Amerika UtaraTinggi100Columbia Metals, Concast MetalsDomestic supply robust
EropaSedang-Tinggi105-115KME, Lebronze alloysEU material certifications
CinaSedang-Tinggi85-95Various foundriesQuality verification critical
JepangMedium115-125Mitsubishi Materials, JX NipponPremium quality, higher cost
di mana bahan mulai tipis dan menarik seperti gula-gulaMedium90-100Multiple foundriesQuality consistency variable
Timur TengahRendah-Sedang120-130Mostly importedImport duties, lead times
AustraliaMedium115-125Regional distributorsTransport costs significant

Table 16: Five-Year Price Trend Analysis (Index: 2020=100)

= Tebal atau diameter kawat dalam mmBab 95500Bab 95800Bab 95400C6300017-4PH SSCopper IndexNickel Index
2020100100100100100100100
2021120125118122110125135
2022135142130138118135150
2023130138125132120130145
2024125132120128115125140
2025*122130115125112120135

*Projected values

10. Conclusion and Procurement Recommendations

C95500 nickel-aluminum bronze offers exceptional performance in demanding applications requiring a combination of high strength, excellent wear resistance, and good corrosion properties. The most direct equivalent alternatives are found in the European standard CuAl11Fe5Ni5 and the Chinese standard ZCuAl11Ni5Fe5, which offer very similar performance characteristics with minimal cost variations.

For applications requiring superior seawater corrosion resistance, C95800 provides enhanced performance at a modest 5-10% cost increase. For less demanding applications, C95400 offers good performance at approximately 10-15% lower cost and greater availability. C63000 presents a viable alternative for applications requiring higher strength, though at a slightly higher cost.

For procurement professionals, the following strategic recommendations apply:

  1. Always request material certification documentation with chemical analysis to verify composition compliance
  2. Consider total cost of ownership including lifecycle maintenance and replacement costs
  3. Develop relationships with multiple qualified suppliers to ensure supply chain resilience
  4. For critical marine applications, verify specific corrosion performance data in relevant environments
  5. Monitor nickel prices as a leading indicator, as nickel content significantly impacts material cost
  6. Implement material equivalence approval protocols to facilitate substitutions when necessary
  7. Consider regional pricing variations when sourcing for large projects
  8. For high-volume applications, evaluate the feasibility of long-term supply agreements to stabilize pricing
  9. Maintain safety stock of critical components during periods of commodity price volatility

By carefully evaluating the equivalence factors presented in this analysis, procurement specialists and engineers can make informed decisions when selecting alternatives to C95500 aluminum bronze, balancing performance requirements with cost considerations and ensuring supply chain resilience in a dynamic market environment.