C63200 Nickel Aluminum Bronze Tubes: Comprehensive Technical Analysis and Performance Characteristics

1. Introduction to C63200 Alloy

C63200 nickel aluminum bronze is a high-strength copper-based alloy known for its exceptional mechanical properties and corrosion resistance. This analysis provides detailed information about its characteristics, specifications, and applications.

2. Chemical Composition

The precise chemical composition according to ASTM standards:

Elemen	Rentang Komposisi (%)	Optimal Range (%)
Tembaga	81.0 – 83.0	82.0
Aluminium (Al)	8.5 – 9.5	9.0
Nikel (Ni)	4.0 – 4.8	4.5
Besi (Fe)	3.5 – 4.3	4.0
Mangan (Mn)	1.2 – 2.0	1.5
Silikon (Si)	00,10 maks	00,05
Timbal (Pb)	00,02 maks	0.01
Seng (Zn)	00,20 maks	0.10

3. Mechanical Properties

3.1 Standard Mechanical Properties at Room Temperature

Milik	Satuan Metrik	Imperial Units
Kekuatan tekanan maksimum	640-720 MPa	93-104 ksi
Kekuatan Hasil (offset 0,2%)	280-380 MPa	41-55 ksi
Elongation in 50mm	15% min	15% min
Reduction in Area	20% min	20% min
Kekerasan (Brinell)	160-200 HB	160-200 HB
Impact Strength (Charpy V-notch)	34 J	25 ft-lb

3.2 Sifat Tergantung Suhu

Suhu (°C)	Kekuatan Tarik (MPa)	Kekuatan Hasil (MPa)	Perpanjangan (%)
-196	850	420	12
20	680	330	15
100	650	310	16
200	600	280	18
300	520	250	20
400	400	200	25

4. Sifat Fisik

Milik	Nilai	Satuan
Kepadatan	7.45	g/cm
Rentang lebur	1030-1060	°C
Panas Spesifik	0.377	kJ/kg·K
Konduktivitas termal	42	W/m·K
Resistivitas Listrik	13.3	μΩ·cm
Modulus Elastisitas	110	IPK
Rasio Poisson	0.33	-
Permeabilitas Magnetik	1.05	-

5. Dimensional Specifications

5.1 Standard Tube Sizes

Nominal OD (mm)	Wall Thickness Range (mm)	Standard Lengths (m)
12.7 – 25.4	1.2 – 3.2	3, 6
31.8 – 50.8	1.6 – 4.8	3, 6
63,5 – 101,6	2.1 – 6.4	3, 6
114.3 – 219.1	3.2 – 12.7	3, 6
273.0 – 406.4	4.8 – 19.1	3, 6

5.2 Tolerances

Dimensi	Rentang Toleransi
Outside Diameter	±0.25mm up to 50mm OD
Ketebalan dinding	±10%
Panjang	+3mm, -0mm
Kelurusan	1.5mm per meter
ovalitas	1% of OD max

6. Sifat Ketahanan Korosi

6.1 Corrosion Rates in Different Environments

Lingkungan	Suhu (°C)	Corrosion Rate (mm/year)
Air laut	20	0.025
Air Tawar	20	0.013
3% NaCl Solution	20	0.028
10% H₂SO₄	20	0.15
10% HCl	20	0.22
Suasana Industri	20	0.008

6.2 Environmental Resistance Ratings

Lingkungan	Rating (1-10)	adalah Baja Struktural Kekuatan Tinggi Paduan Rendah Standar GB Cina
Laut	9	Excellent resistance
Industri	8	Very good resistance
Pengolahan Kimia	7	Good for most applications
Suhu Tinggi	8	Maintains properties well
Ketahanan Aus	8	Superior to standard bronzes
Korosi Stres	9	Sangat tahan

7. Manufacturing and Processing

7.1 Fabrication Parameters

Proses	Parameter yang Direkomendasikan
Suhu Kerja Panas	760-870°C
Suhu Anneal	650-750°C
Suhu Pereda Stres	350-400°C
Suhu Operasional Maksimum	315°C

7.2 Welding Specifications

Proses Pengelasan	Parameter yang Direkomendasikan	Logam Pengisi
GTAW	DC Straight Polarity	ERCUNiAl
GMAW	DC Reverse Polarity	ERCUNiAl
SMAW	DC Reverse Polarity	EkuNiAl

8. Quality Control Requirements

8.1 Testing Requirements

Jenis Tes	Standar	Frekuensi
Analisis Kimia	ASTM E478	Per Panas
Pengujian Tarik	ASTM E8	Per Lot
Pengujian Kekerasan	ASTM E10	Per Lot
Pengujian Ultrasonik	ASTM E213	100%
Hydrostatic Testing	ASTM E498	100%

8.2 Surface Finish Requirements

Kondisi Permukaan	Roughness (Ra)	Aplikasi
Standard Finish	3.2 μm	General Purpose
Smooth Finish	1.6 μm	Hydraulic Applications
Polished Finish	0.8 μm	Critical Flow Service
Mirror Finish	0.4 μm	Special Applications

9. Applications and Industry Standards

9.1 Industry-Specific Applications

Industri	Aplikasi	Key Requirements
Laut	Propeller Shafts, Pump Housings	Tahan korosi
Minyak gas	Valve Bodies, Bearings	Strength, Wear Resistance
Pengolahan Kimia	Heat Exchangers, Reactors	Chemical Resistance
Pembangkit Listrik	Pump Components, Fittings	Reliability, Durability
Pertambangan	Wear Plates, Bushings	Abrasion Resistance

9.2 Applicable Standards

Standar	Keterangan	Cakupan
ASTM B150	Spesifikasi Standar	Material Requirements
ASTM B271	Seamless Tubes	Manufaktur
NACE MR0175	Sour Service	Oil & Gas Applications
ISO 9001	Quality Management	Kontrol Proses
DNV-GL	Marine Certification	Maritime Applications

10. Economic Considerations

10.1 Cost Factors

Faktor	Impact Level	Consideration
Biaya Bahan Baku	Tinggi	Market-dependent
Biaya Pemrosesan	Medium	Complex manufacturing
Biaya Instalasi	Rendah	Standard procedures
Biaya Pemeliharaan	Rendah	Long service life
Life Cycle Cost	Favorable	Extended durability

This comprehensive analysis provides essential information for engineers, procurement specialists, and technical professionals working with C63200 nickel aluminum bronze tubes. The data presented should be verified for specific applications and operating conditions.